# 1934 United States Senate elections

The 1934 United States Senate elections were held in the middle of Democratic President Franklin D. Roosevelt's first term. The 32 seats of Class 1 were contested in regular elections, and special elections were held to fill vacancies. During the Great Depression, voters strongly backed Roosevelt's New Deal and his allies in the Senate, with Democrats picking up a net of nine seats, giving them a supermajority (which required 64 seats, two-thirds of the total 96 seats in 1934). Republicans later lost three more seats due to mid-term vacancies (one to Farmer-Labor and two to Democrats); however, a Democrat in Iowa died and the seat remained vacant until the next election. The Democrats entered the next election with a 70-22-2-1 majority.
This marked the first time that an incumbent president's party gained seats in both houses of Congress in midterm election cycles, followed by 1998 and 2002. This was also the second of three times since the ratification of the 17th Amendment that the opposition party failed to flip any Senate seats, alongside 1914 and 2022.
A number of historic figures were first elected to the Senate in 1934, including future President Truman, future Federal District Judge and Labor Secretary Schwellenbach, the first Hispanic to be elected to a full term in the US Senate, Chavez, longtime Senator and later Representative Pepper and future Supreme Court Justice Minton.

## Gains, losses, and holds
### Retirements

Three Democrats and one Republican retired instead of seeking re-election.
| State | Senator | Replaced by |
| Maryland | Phillips Lee Goldsborough | George L. P. Radcliffe |
| Nebraska (special) | William H. Thompson | Richard C. Hunter |
| Nebraska | William H. Thompson | Edward R. Burke |
| Washington | Clarence Dill | Lewis B. Schwellenbach |

### Defeats

Eight Republicans and two Democrats sought re-election but lost in the primary or general election.
| State | Senator | Replaced by |
| Connecticut | Frederic C. Walcott | Francis T. Maloney |
| Indiana | Arthur Raymond Robinson | Sherman Minton |
| Mississippi | Hubert D. Stephens | Theodore G. Bilbo |
| Missouri | Roscoe C. Patterson | Harry S. Truman |
| Montana (special) | John E. Erickson | James E. Murray |
| New Jersey | Hamilton F. Kean | A. Harry Moore |
| Ohio | Simeon D. Fess | Vic Donahey |
| Pennsylvania | David A. Reed | Joseph F. Guffey |
| Rhode Island | Felix Hebert | Peter G. Gerry |
| West Virginia | Henry D. Hatfield | Rush Holt Sr. |

### Party Switches

One Republican won re-election as a Progressive.
| State | Senator | Replaced by |
| Wisconsin | Robert M. La Follette Jr. | Robert M. La Follette Jr. |

### Post-election changes

| State | Senator | Replaced by |
| New Mexico | Bronson M. Cutting | Dennis Chavez |
| Florida (class 1) | Park Trammell | Scott Loftin |
| Florida (class 1) | Scott Loftin | Charles O. Andrews |
| Florida (class 3) | Duncan U. Fletcher | William Luther Hill |
| Florida (class 3) | William Luther Hill | Claude Pepper |
| Louisiana | Huey Long | Rose McConnell Long |
| Michigan | James J. Couzens | Prentiss M. Brown |
| Minnesota | Thomas D. Schall | Elmer Austin Benson |

## Change in composition
### Before the elections

At the beginning of 1934.
| | | D$_1$ | D$_2$ | D$_3$ | D$_4$ | D$_5$ | D$_6$ | D$_7$ | D$_8$ |
| D$_{18}$ | D$_{17}$ | D$_{16}$ | D$_{15}$ | D$_{14}$ | D$_{13}$ | D$_{12}$ | D$_{11}$ | D$_{10}$ | D$_9$ |
| D$_{19}$ | D$_{20}$ | D$_{21}$ | D$_{22}$ | D$_{23}$ | D$_{24}$ | D$_{25}$ | D$_{26}$ | D$_{27}$ | D$_{28}$ |
| D$_{38}$ | D$_{37}$ | D$_{36}$ | D$_{35}$ | D$_{34}$ | D$_{33}$ | D$_{32}$ | D$_{31}$ | D$_{30}$ | D$_{29}$ |
| D$_{39}$ | D$_{40}$ | D$_{41}$ | D$_{42}$ | D$_{43}$ | D$_{44}$ Ariz. Ran | D$_{45}$ Fla. Ran | D$_{46}$ Mass. Ran | D$_{47}$ Miss. Ran | D$_{48}$ Mont. (reg) Ran |
| Majority → | Majority → | Majority → | Majority → | Majority → | Majority → | Majority → | Majority → | Majority → | D$_{49}$ Mont. (sp) Ran |
| D$_{58}$ Va. Ran | D$_{57}$ Utah Ran | D$_{56}$ Texas Ran | D$_{55}$ Tenn. (sp) Ran | D$_{54}$ Tenn. (reg) Ran | D$_{53}$ N.Y. Ran | D$_{52}$ N.M. (sp) Ran | D$_{51}$ Nev. Ran | D$_{50}$ Neb. (reg) Neb. (sp) Retired | D$_{49}$ Mont. (sp) Ran |
| D$_{59}$ Wash. Retired | D$_{60}$ Wyo. (reg) Wyo. (sp) Ran | FL$_1$ Minn. Ran | R$_{35}$ Wis. Ran | R$_{34}$ W.Va. Ran | R$_{33}$ Vt. (reg) Ran | R$_{32}$ R.I. Ran | R$_{31}$ Pa. Ran | R$_{30}$ Ohio Ran | R$_{29}$ N.Dak. Ran |
| R$_{19}$ Calif. Ran | R$_{20}$ Conn. Ran | R$_{21}$ Del. Ran | R$_{22}$ Ind. Ran | R$_{23}$ Maine Ran | R$_{24}$ Md. Ran | R$_{25}$ Mich. Ran | R$_{26}$ Mo. Ran | R$_{27}$ N.J. Ran | R$_{28}$ N.M. (reg) Ran |
| R$_{18}$ Vt. (sp) Ran | R$_{17}$ | R$_{16}$ | R$_{15}$ | R$_{14}$ | R$_{13}$ | R$_{12}$ | R$_{11}$ | R$_{10}$ | R$_9$ |
| | | R$_1$ | R$_2$ | R$_3$ | R$_4$ | R$_5$ | R$_6$ | R$_7$ | R$_8$ |

### Elections result

| | | D$_1$ | D$_2$ | D$_3$ | D$_4$ | D$_5$ | D$_6$ | D$_7$ | D$_8$ |
| D$_{18}$ | D$_{17}$ | D$_{16}$ | D$_{15}$ | D$_{14}$ | D$_{13}$ | D$_{12}$ | D$_{11}$ | D$_{10}$ | D$_9$ |
| D$_{19}$ | D$_{20}$ | D$_{21}$ | D$_{22}$ | D$_{23}$ | D$_{24}$ | D$_{25}$ | D$_{26}$ | D$_{27}$ | D$_{28}$ |
| D$_{38}$ | D$_{37}$ | D$_{36}$ | D$_{35}$ | D$_{34}$ | D$_{33}$ | D$_{32}$ | D$_{31}$ | D$_{30}$ | D$_{29}$ |
| D$_{39}$ | D$_{40}$ | D$_{41}$ | D$_{42}$ | D$_{43}$ | D$_{44}$ Ariz. Re-elected | D$_{45}$ Fla. Re-elected | D$_{46}$ Mass. Re-elected | D$_{47}$ Miss. Hold | D$_{48}$ Mont. (reg) Re-elected |
| Majority → | Majority → | Majority → | Majority → | Majority → | Majority → | Majority → | Majority → | Majority → | D$_{49}$ Mont. (sp) Hold |
| D$_{58}$ Va. Re-elected | D$_{57}$ Utah Re-elected | D$_{56}$ Texas Re-elected | D$_{55}$ Tenn. (sp) Elected | D$_{54}$ Tenn. (reg) Re-elected | D$_{53}$ N.Y. Re-elected | D$_{52}$ N.M. (sp) Elected | D$_{51}$ Nev. Re-elected | D$_{50}$ Neb. (reg) Neb. (sp) Hold | D$_{49}$ Mont. (sp) Hold |
| D$_{59}$ Wash. Hold | D$_{60}$ Wyo. (reg) Wyo. (sp) Elected | D$_{61}$ Conn. Gain | D$_{62}$ Ind. Gain | D$_{63}$ Md. Gain | D$_{64}$ Mo. Gain | D$_{65}$ N.J. Gain | D$_{66}$ Ohio Gain | D$_{67}$ Pa. Gain | D$_{68}$ R.I. Gain |
| R$_{19}$ Del. Re-elected | R$_{20}$ Maine Re-elected | R$_{21}$ Mich. Re-elected | R$_{22}$ N.M. (reg) Re-elected | R$_{23}$ N.Dak. Re-elected | R$_{24}$ Vt. (reg) Re-elected | R$_{25}$ Vt. (sp) Elected | P$_1$ Wis. Re-elected new party | FL$_1$ Minn. Re-elected | D$_{69}$ W.Va. Gain |
| R$_{18}$ Calif. Re-elected | R$_{17}$ | R$_{16}$ | R$_{15}$ | R$_{14}$ | R$_{13}$ | R$_{12}$ | R$_{11}$ | R$_{10}$ | R$_9$ |
| | | R$_1$ | R$_2$ | R$_3$ | R$_4$ | R$_5$ | R$_6$ | R$_7$ | R$_8$ |
| Key | D$_#$ Democratic FL$_#$ Farmer–Labor P$_#$ Progressive R$_#$ Republican |

## Race summaries
### Elections during the 73rd Congress

In these special elections, the winners were seated during 1934; ordered by election date then by state.
| State | Incumbent | Incumbent | Incumbent | Results | Candidates |
| State | Senator | Party | Electoral history | Results | Candidates |
| Vermont (Class 3) | Ernest W. Gibson | Republican | 1933 (Appointed) | Interim appointee elected January 16, 1934. | ▌Y Ernest W. Gibson (Republican) 58.2% ▌Harry W. Witters (Democratic) 41.8% |
| Montana (Class 2) | John E. Erickson | Democratic | 1933 (Appointed) | Interim appointee lost nomination. New senator elected November 6, 1934. Democratic hold. | ▌Y James E. Murray (Democratic) 59.6% ▌Scott Leavitt (Republican) 39.5% |
| Nebraska (Class 1) | William H. Thompson | Democratic | 1933 (Appointed) | Interim appointee retired. New senator elected November 6, 1934. Democratic hold. Winner was not elected to the next term, see below. | ▌Y Richard C. Hunter (Democratic) 56.45% ▌J. H. Kemp (Republican) 43.55% |
| New Mexico (Class 2) | Carl Hatch | Democratic | 1933 (Appointed) | Interim appointee elected November 6, 1934. | ▌Y Carl Hatch (Democratic) 54.5% ▌Richard C. Dillon (Republican) 45.0% |
| Tennessee (Class 2) | Nathan L. Bachman | Democratic | 1933 (Appointed) | Interim appointee elected November 6, 1934. | ▌Y Nathan L. Bachman (Democratic) 80.1% ▌John Randolph Neal Jr. (Independent) 19.9% |
| Wyoming (Class 1) | Joseph C. O'Mahoney | Democratic | 1933 (Appointed) | Interim appointee elected November 6, 1934. Winner was also elected to the next term, see below. | ▌Y Joseph C. O'Mahoney (Democratic) 56.88% ▌Vincent Carter (Republican) 43.12% |

### Elections leading to the 74th Congress

In these general elections, the winners were elected for the term beginning January 3, 1935; ordered by state.
All of the elections involved the Class 1 seats.
| State | Incumbent | Incumbent | Incumbent | Results | Candidates |
| State | Senator | Party | Electoral history | Results | Candidates |
| Arizona | Henry F. Ashurst | Democratic | 1912 1916 1922 1928 | Incumbent re-elected. | ▌Y Henry F. Ashurst (Democratic) 72.0% ▌J. E. Thompson (Republican) 25.6% |
| California | Hiram Johnson | Republican | 1916 1922 1928 | Incumbent re-elected. | ▌Y Hiram Johnson (Republican) 94.5% ▌George Ross Kirkpatrick (Socialist) 5.3% |
| Connecticut | Frederic C. Walcott | Republican | 1928 | Incumbent lost re-election. New senator elected. Democratic gain. | ▌Y Francis T. Maloney (Democratic) 40.41% ▌Frederic C. Walcott (Republican) 40.14% ▌Roger Glennie (Union) 12.37% |
| Delaware | John G. Townsend Jr. | Republican | 1928 | Incumbent re-elected. | ▌Y John G. Townsend Jr. (Republican) 53.3% ▌Wilbur L. Adams (Democratic) 46.2% |
| Florida | Park Trammell | Democratic | 1916 1922 1928 | Incumbent re-elected. | ▌Y Park Trammell (Democratic) Unopposed |
| Indiana | Arthur Raymond Robinson | Republican | 1925 (Appointed) 1926 (special) 1928 | Incumbent lost re-election. New senator elected. Democratic gain. | ▌Y Sherman Minton (Democratic) 51.5% ▌Arthur Raymond Robinson (Republican) 47.5% |
| Maine | Frederick Hale | Republican | 1916 1922 1928 | Incumbent re-elected. | ▌Y Frederick Hale (Republican) 50.1% ▌F. Harold Dubord (Democratic) 49.7% |
| Maryland | Phillips Lee Goldsborough | Republican | 1928 | Incumbent retired to run for Governor of Maryland. New senator elected. Democratic gain. | ▌Y George L. P. Radcliffe (Democratic) 56.1% ▌Joseph I. France (Republican) 42.0% |
| Massachusetts | David I. Walsh | Democratic | 1926 (special) 1928 | Incumbent re-elected. | ▌Y David I. Walsh (Democratic) 59.4% ▌Robert M. Washburn (Republican) 37.4% |
| Michigan | Arthur Vandenberg | Republican | 1928 (Appointed) 1928 (special) 1928 | Incumbent re-elected. | ▌Y Arthur Vandenberg (Republican) 51.3% ▌Frank Albert Picard (Democratic) 47.0% ▌John Monarch (Socialist) 1.7% |
| Minnesota | Henrik Shipstead | Farmer–Labor | 1922 1928 | Incumbent re-elected. | ▌ Y Henrik Shipstead (Farmer–Labor) 49.9% ▌Einar Hoidale (Democratic) 29.2% ▌N. J. Holmberg (Republican) 19.8% |
| Mississippi | Hubert D. Stephens | Democratic | 1922 1928 | Incumbent lost renomination. New senator elected. Democratic hold. | ▌Y Theodore G. Bilbo (Democratic) Unopposed |
| Missouri | Roscoe C. Patterson | Republican | 1928 | Incumbent lost re-election. New senator elected. Democratic gain. | ▌Y Harry S. Truman (Democratic) 59.5% ▌Roscoe C. Patterson (Republican) 39.7% ▌W. C. Meyer (Socialist) 0.7% |
| Montana | Burton K. Wheeler | Democratic | 1922 1928 | Incumbent re-elected. | ▌Y Burton K. Wheeler (Democratic) 70.1% ▌George M. Bourquin (Republican) 28.7% |
| Nebraska | William H. Thompson | Democratic | 1933 (Appointed) | Incumbent retired. New senator elected. Democratic hold. Winner was not elected to finish the current term; see above. | ▌Y Edward R. Burke (Democratic) 55.3% ▌Robert G. Simmons (Republican) 42.9% |
| Nevada | Key Pittman | Democratic | 1913 (special) 1916 1922 1928 | Incumbent re-elected. | ▌Y Key Pittman (Democratic) 64.5% ▌George W. Malone (Republican) 33.4% |
| New Jersey | Hamilton F. Kean | Republican | 1928 | Incumbent lost re-election. New senator elected. Democratic gain. | ▌Y A. Harry Moore (Democratic) 57.9% ▌Hamilton F. Kean (Republican) 40.9% |
| New Mexico | Bronson M. Cutting | Republican | 1927 (Appointed) 1928 (Retired) 1928 | Incumbent re-elected. | ▌Y Bronson M. Cutting (Republican) 50.2% ▌Dennis Chávez (Democratic) 49.4% |
| New York | Royal S. Copeland | Democratic | 1922 1928 | Incumbent re-elected. | ▌Y Royal S. Copeland (Democratic) 55.3% ▌E. Harold Cluett (Republican) 36.9% ▌Norman Thomas (Socialist) 5.3% |
| North Dakota | Lynn Frazier | Republican | 1922 1928 | Incumbent re-elected. | ▌Y Lynn Frazier (Republican) 58.2% ▌Henry Holt (Democratic) 40.2% |
| Ohio | Simeon D. Fess | Republican | 1922 1928 | Incumbent lost re-election. New senator elected. Democratic gain. | ▌Y Vic Donahey (Democratic) 60.0% ▌Simeon D. Fess (Republican) 39.4% |
| Pennsylvania | David A. Reed | Republican | 1922 (Appointed) 1922 (special) 1922 1928 | Incumbent lost re-election. New senator elected. Democratic gain. | ▌Y Joseph F. Guffey (Democratic) 50.8% ▌David A. Reed (Republican) 46.5% |
| Rhode Island | Felix Hebert | Republican | 1928 | Incumbent lost re-election. New senator elected. Democratic gain. | ▌Y Peter G. Gerry (Democratic) 57.1% ▌Felix Hebert (Republican) 42.9% |
| Tennessee | Kenneth McKellar | Democratic | 1916 1922 1928 | Incumbent re-elected. | ▌Y Kenneth McKellar (Democratic) 63.4% ▌Ben W. Hooper (Republican) 35.8% |
| Texas | Tom Connally | Democratic | 1928 | Incumbent re-elected. | ▌Y Tom Connally (Democratic) 96.7% |
| Utah | William H. King | Democratic | 1916 1922 1928 | Incumbent re-elected. | ▌Y William H. King (Democratic) 53.1% ▌Don B. Colton (Republican) 45.4% |
| Vermont | Warren Austin | Republican | 1931 (special) | Incumbent re-elected. | ▌Y Warren Austin (Republican) 51.0% ▌Fred C. Martin (Democratic) 48.4% |
| Virginia | Harry F. Byrd | Democratic | 1933 (Appointed) 1933 (special) | Incumbent re-elected. | ▌Y Harry F. Byrd (Democratic) 76.0% ▌Lawrence C. Page (Republican) 20.9% |
| Washington | Clarence Dill | Democratic | 1922 1928 | Incumbent retired. New senator elected. Democratic hold. | ▌Y Lewis B. Schwellenbach (Democratic) 60.9% ▌Reno Odlin (Republican) 34.0% |
| West Virginia | Henry D. Hatfield | Republican | 1928 | Incumbent lost re-election. New senator elected. Democratic gain. Winner was seated late on June 21, 1935 when he turned 30, due to not having satisfied the constitutional requirement to serve. | ▌Y Rush Holt Sr. (Democratic) 55.1% ▌Henry D. Hatfield (Republican) 44.4% |
| Wisconsin | Robert M. La Follette Jr. | Republican | 1925 (special) 1928 | Incumbent re-elected as a Progressive. Progressive gain. | ▌Y Robert M. La Follette Jr. (Progressive) 47.8% ▌John M. Callahan (Democratic) 24.2% ▌John B. Chapple (Republican) 22.8% |
| Wyoming | Joseph C. O'Mahoney | Democratic | 1933 (Appointed) | Interim appointee elected. Winner was also elected to finish the current term; see above. | ▌Y Joseph C. O'Mahoney (Democratic) 56.6% ▌Vincent Carter (Republican) 43.0% |

## Closest races

Ten races had a margin of victory under 10%:
| State | Party of winner | Margin |
| Maine | Republican | 0.4% |
| New Mexico | Republican | 0.8% |
| Vermont | Republican | 2.6% |
| Connecticut | Democratic (flip) | 3.5% |
| Indiana | Democratic (flip) | 4.0% |
| Michigan | Republican | 4.3% |
| Pennsylvania | Democratic (flip) | 4.3% |
| Utah | Democratic | 7.7% |
| Delaware | Republican | 7.1% |
| New Mexico (special) | Democratic | 9.5% |
Virginia was the tipping point state with a margin of 55.1%.

## Arizona

1934 United States Senate election in Arizona :
| Party | Party | Candidate | Votes | % |
| | Democratic | Henry F. Ashurst (incumbent) | 67,648 | 72.03% |
| | Republican | Joseph Edward Thompson | 24,075 | 25.63% |
| | Socialist | Charles D. Pinkerton | 1,591 | 1.69% |
| | Communist | Ramon Garcia | 606 | 0.65% |
| Majority | Majority | Majority | 43,573 | 46.40% |
| Turnout | Turnout | Turnout | 93,920 | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## California

1934 United States Senate election in California :
| Party | Party | Candidate | Votes | % |
| | Republican | Hiram Johnson (Incumbent) | 1,946,572 | 94.54% |
| | Socialist | George Ross Kirkpatrick | 108,748 | 5.28% |
| | Write-In | Pat Chambers | 1,025 | 0.05% |
| | None | Scattering | 2,595 | 0.13% |
| Majority | Majority | Majority | 1,837,824 | 89.26% |
| Turnout | Turnout | Turnout | 2,058,940 | |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## Connecticut

1934 United States Senate election in Connecticut :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Francis T. Maloney | 265,552 | 51.75% | |
| | Republican | Frederic C. Walcott (Incumbent) | 247,623 | 48.25% | |
| | Union | Roger Glennie | 69,142 | 12.37% | |
| Majority | Majority | Majority | 17,929 | 3.50% | |
| Turnout | Turnout | Turnout | 513,175 | | |
| | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican |

## Delaware

1934 United States Senate election in Delaware :
| Party | Party | Candidate | Votes | % |
| | Republican | John G. Townsend Jr. (Incumbent) | 52,829 | 53.27% |
| | Democratic | Wilbur L. Adams | 45,771 | 46.16% |
| | Socialist | Fred W. Whiteside | 497 | 0.50% |
| | Communist | John T. Wlodkoski | 69 | 0.07% |
| Majority | Majority | Majority | 7,058 | 7.11% |
| Turnout | Turnout | Turnout | 99,166 | |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## Florida

1934 United States Senate election in Florida :
| Party | Party | Candidate | Votes | % |
| | Democratic | Park Trammell (Incumbent) | 131,780 | 100.00% |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## Indiana

1934 United States Senate election in Indiana :
| Party | Party | Candidate | Votes | % |
| | Democratic | Sherman Minton | 758,801 | 51.46% |
| | Republican | Arthur Raymond Robinson (Incumbent) | 700,103 | 47.48% |
| | Socialist | Forrest Wallace | 9,414 | 0.64% |
| | Prohibition | Albert Jackman | 4,987 | 0.34% |
| | Communist | Wenzel Stocker | 1,307 | 0.09% |
| Majority | Majority | Majority | 58,698 | 3.98% |
| Turnout | Turnout | Turnout | 1,474,612 | |
| | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican |

## Maine

1934 United States Senate election in Maine :
| Party | Party | Candidate | Votes | % |
| | Republican | Frederick Hale (Incumbent) | 139,773 | 50.14% |
| | Democratic | F. Harold Dubord | 138,573 | 49.71% |
| | Communist | Hans Nelson | 422 | 0.15% |
| Majority | Majority | Majority | 1,200 | 0.43% |
| Turnout | Turnout | Turnout | 278,768 | |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## Maryland

1934 United States Senate election in Maryland :
| Party | Party | Candidate | Votes | % |
| | Democratic | George L. P. Radcliffe | 264,279 | 56.10% |
| | Republican | Joseph I. France | 197,643 | 41.95% |
| | Socialist | Elisabeth Gilman | 6,067 | 1.29% |
| | American Labor | Ada Smith Lang | 1,935 | 0.41% |
| | Communist | Samuel Gale | 1,188 | 0.25% |
| Majority | Majority | Majority | 66,636 | 14.15% |
| Turnout | Turnout | Turnout | 471,112 | |
| | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican |

## Massachusetts

1934 United States Senate election in Massachusetts :
| Party | Party | Candidate | Votes | % |
| | Democratic | David I. Walsh (incumbent) | 852,776 | 59.39% |
| | Republican | Robert M. Washburn | 536,692 | 37.38% |
| | Socialist | Albert Sprague Coolidge | 22,092 | 1.54% |
| | Prohibition | Barnard Smith | 10,363 | 0.72% |
| | Socialist Labor | Albert L. Waterman | 8,245 | 0.57% |
| | Communist | Paul C. Wicks | 5,757 | 0.40% |
| Majority | Majority | Majority | 316,084 | 22.01% |
| Turnout | Turnout | Turnout | 1,435,932 | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## Michigan

1934 United States Senate election in Michigan :
| Party | Party | Candidate | Votes | % |
| | Republican | Arthur Vandenberg (Incumbent) | 626,017 | 51.32% |
| | Democratic | Frank Albert Picard | 573,574 | 47.02% |
| | Socialist | John Monarch | 10,644 | 0.87% |
| | Communist | Philip Raymond | 5,634 | 0.46% |
| | Farmer–Labor | W. Ralph Jones | 2,042 | 0.17% |
| | Socialist Labor | John Vonica | 939 | 0.08% |
| | Commonwealth Land | Jay W. Slaughter | 735 | 0.06% |
| | National | Chester A. Shewalter | 147 | 0.01% |
| | None | Scattering | 2 | 0.00% |
| Majority | Majority | Majority | 52,443 | 4.30% |
| Turnout | Turnout | Turnout | 1,219,734 | |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## Minnesota

1934 United States Senate election in Minnesota :
| Party | Party | Candidate | Votes | % |
| | Farmer–Labor | Henrik Shipstead (Incumbent) | 503,379 | 49.87% |
| | Democratic | Einar Hoidale | 294,757 | 29.20% |
| | Republican | N. J. Holmberg | 200,083 | 19.82% |
| | Communist | Aldred Tiala | 5,620 | 0.56% |
| | Socialist | Morris Kaplan | 5,618 | 0.56% |
| Majority | Majority | Majority | 409,622 | 20.67% |
| Turnout | Turnout | Turnout | 1,009,457 | |
| | Farmer–Labor hold | Farmer–Labor hold | Farmer–Labor hold | Farmer–Labor hold |

## Mississippi

1934 United States Senate election in Mississippi :
| Party | Party | Candidate | Votes | % |
| | Democratic | Theodore G. Bilbo (Incumbent) | 51,609 | 100.00% |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## Missouri

1934 Missouri United States Senate election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Harry S. Truman | 787,110 | 59.54% |
| | Republican | Roscoe C. Patterson (Incumbent) | 524,954 | 39.71% |
| | Socialist | W. C. Meyer | 9,010 | 0.68% |
| | Communist | Frank Brown | 418 | 0.03% |
| | Socialist Labor | William Wesley Cox | 384 | 0.03% |
| Majority | Majority | Majority | 262,156 | 19.83% |
| Turnout | Turnout | Turnout | 1,321,876 | |
| | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican |

## Montana
### Montana (regular)

1934 United States Senate election in Montana :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Burton K. Wheeler (Incumbent) | 142,823 | 70.14% | +16.94% |
| | Republican | George M. Bourquin | 58,519 | 28.74% | −18.06% |
| | Socialist | William F. Held | 1,381 | 0.68% | |
| | Communist | Raymond F. Gray | 903 | 0.44% | |
| Majority | Majority | Majority | 84,304 | 41.40% | +35.00% |
| Turnout | Turnout | Turnout | 203,626 | | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

### Montana (special)

1934 United States Senate special election in Montana :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | James E. Murray | 116,965 | 59.66% | −0.67% |
| | Republican | Scott Leavitt | 77,307 | 39.43% | +1.56% |
| | Socialist | John F. Duffy | 1,779 | 0.91% | +0.34% |
| Majority | Majority | Majority | 39,658 | 20.23% | −2.22% |
| Turnout | Turnout | Turnout | 196,051 | | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## Nebraska
### Nebraska (regular)

1934 United States Senate election in Nebraska :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Edward R. Burke | 305,958 | 55.30% | +16.58% |
| | Republican | Robert G. Simmons | 237,126 | 42.86% | −18.42% |
| | Independent | Henry Hoffman | 7,670 | 1.39% | — |
| | Independent | E. D. O'Sullivan (write-in) | 2,501 | 0.45% | — |
| | Write-in | Write-in | 44 | 0.01% | — |
| Majority | Majority | Majority | 68,832 | 12.44% | −10.12% |
| Total votes | Total votes | Total votes | 553,299 | 100.00% | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

### Nebraska (special)

1934 United States Senate special election in Nebraska :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Richard C. Hunter | 281,421 | 56.45% | +17.73% |
| | Republican | J. H. Kemp | 217,106 | 43.55% | −17.73% |
| | Write-in | Write-in | 24 | 0.00% | — |
| Majority | Majority | Majority | 64,315 | 12.90% | −9.66% |
| Total votes | Total votes | Total votes | 498,551 | 100.00% | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## Nevada

1934 United States Senate election in Nevada :
| Party | Party | Candidate | Votes | % |
| | Democratic | Key Pittman (Incumbent) | 27,581 | 64.51% |
| | Republican | George W. Malone | 14,273 | 33.38% |
| | Independent | John P. Reynolds | 901 | 2.11% |
| Majority | Majority | Majority | 13,308 | 31.13% |
| Turnout | Turnout | Turnout | 42,755 | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## New Jersey

1934 United States Senate election in New Jersey :
| Party | Party | Candidate | Votes | % |
| | Democratic | A. Harry Moore | 785,971 | 57.90% |
| | Republican | Hamilton Fish Kean (Incumbent) | 554,483 | 40.85% |
| | Socialist | John S. Martin | 9,721 | 0.72% |
| | Communist | Rebecca Grecht | 2,874 | 0.21% |
| | Prohibition | Elwood Hollingshead | 2,072 | 0.15% |
| | Socialist Labor | John C. Butterworth | 1,640 | 0.12% |
| | Independent Veteran | William L. Detmering | 648 | 0.05% |
| Majority | Majority | Majority | 231,488 | 17.05% |
| Turnout | Turnout | Turnout | 1,357,409 | |
| | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican |

## New Mexico
### New Mexico (regular)

1934 United States Senate election in New Mexico :
| Party | Party | Candidate | Votes | % |
| | Republican | Bronson M. Cutting (Incumbent) | 76,228 | 50.20% |
| | Democratic | Dennis Chávez | 74,944 | 49.35% |
| | Socialist | W. C. Thorp | 568 | 0.37% |
| | Communist | Alphonso Ray | 122 | 0.08% |
| Majority | Majority | Majority | 1,284 | 0.85% |
| Turnout | Turnout | Turnout | 151,862 | |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### New Mexico (special)

1934 United States Senate special election in New Mexico :
| Party | Party | Candidate | Votes | % |
| | Democratic | Carl Hatch (Incumbent) | 81,934 | 54.76% |
| | Republican | Richard C. Dillon | 66,956 | 44.75% |
| | Socialist | T. N. Hotchinson | 613 | 0.41% |
| | Communist | C. G. Plater | 134 | 0.09% |
| Majority | Majority | Majority | 14,978 | 10.01% |
| Turnout | Turnout | Turnout | 149,637 | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## New York

In New York, the whole Democratic ticket was elected in the third landslide in a row.
1934 United States Senate election :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Royal S. Copeland (incumbent) | 2,046,377 | 55.21% | +6.13% |
| | Republican | E. Harold Cluett | 1,363,440 | 36.87% | −11.02% |
| | Socialist | Norman Thomas | 194,952 | 5.27% | +2.65% |
| | Communist | Max Bedacht | 45,396 | 1.23% | +0.95% |
| | Constitutional | Henry Skillman Breckinridge | 24,241 | 0.66% | N/A |
| | Prohibition | Michael Bartell | 16,769 | 0.45% | +0.45% |
| | Socialist Labor | Olive Johnson | 6,622 | 0.18% | +0.05% |
| Total votes | Total votes | Total votes | 3,727,797 | 100.00% | |

## North Dakota

1934 United States Senate election in North Dakota :
| Party | Party | Candidate | Votes | % | ±% |
| | Republican | Lynn Frazier (inc.) | 151,205 | 58.24% | −21.39% |
| | Democratic | Henry Holt | 104,477 | 40.24% | +20.90% |
| | Independent | Alfred S. Dale | 3,269 | 1.26% | — |
| | Independent | Arvo F. Husa | 656 | 0.25% | — |
| Majority | Majority | Majority | 46,728 | 18.00% | −42.29% |
| Turnout | Turnout | Turnout | 259,607 | | |
| | Republican hold | Republican hold | Republican hold | Republican hold | Republican hold |

## Ohio

1934 United States Senate election in Ohio :
| Party | Party | Candidate | Votes | % |
| | Democratic | A. Victor Donahey | 1,276,206 | 59.95% |
| | Republican | Simeon D. Fess (Incumbent) | 839,068 | 39.41% |
| | Communist | W. C. Sandberg | 13,546 | 0.64% |
| | None | Scattering | 23 | 0.00% |
| Majority | Majority | Majority | 437,138 | 20.54% |
| Turnout | Turnout | Turnout | 2,128,843 | |
| | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican |

## Pennsylvania

General election :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Joseph F. Guffey | 1,494,010 | 50.78% | +16.78% |
| | Republican | David A. Reed (Incumbent) | 1,366,872 | 46.46% | −17.92% |
| | Socialist | James H. Maurer | 50,444 | 0.39% | −0.37% |
| | Prohibition | Edwin J. Fithian | 19,985 | 0.68% | +0.19% |
| | Communist | Harry M. Wicks | 6,170 | 0.21% | +0.21% |
| | Socialist Labor | George W. Ohls | 4,665 | 0.16% | +0.12% |
| | N/A | Other | 129 | 0.00% | N/A |
| Majority | Majority | Majority | 127,948 | 4.32% | |
| Turnout | Turnout | Turnout | 2,942,275 | | |
| | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican |

## Rhode Island

1934 United States Senate election in Rhode Island :
| Party | Party | Candidate | Votes | % |
| | Democratic | Peter G. Gerry | 140,700 | 57.12% |
| | Republican | Felix Hebert (Incumbent) | 105,545 | 42.85% |
| | None | Scattering | 68 | 0.03% |
| Majority | Majority | Majority | 35,155 | 14.27% |
| Turnout | Turnout | Turnout | 246,313 | |
| | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican |

## Tennessee

There were two elections due to a resignation.

### Tennessee (regular)

Three-term Democrat Kenneth D. McKellar was easily re-elected.
1934 United States Senate election in Tennessee :
| Party | Party | Candidate | Votes | % |
| | Democratic | Kenneth D. McKellar (Incumbent) | 195,430 | 63.39% |
| | Republican | Ben W. Hooper | 110,401 | 35.81% |
| | Independent | C. W. Holsington | 2,443 | 0.79% |
| Majority | Majority | Majority | 85,029 | 27.58% |
| Turnout | Turnout | Turnout | | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

### Tennessee (special)

One-term Democrat Cordell Hull resigned March 3, 1933 to become U.S. Secretary of State.
Democrat Nathan L. Bachman was appointed to continue Hull's term, pending a special election which Bachman easily won.
1934 United States Senate special election in Tennessee :
| Party | Party | Candidate | Votes | % |
| | Democratic | Nathan L. Bachman (incumbent) | 200,249 | 80.09% |
| | Independent | John Randolph Neal Jr. | 49,773 | 19.91% |
| Majority | Majority | Majority | 150,476 | 60.18% |
| Turnout | Turnout | Turnout | 250,022 | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## Texas

1934 United States Senate election in Texas :
| Party | Party | Candidate | Votes | % |
| | Democratic | Tom Connally (Incumbent) | 439,375 | 96.69 |
| | Republican | Ulysses S. Goen | 12,895 | 2.84 |
| | Socialist | William Burr Starr | 1,828 | 0.40 |
| | Communist | L. C. Keel | 310 | 0.07 |
| Majority | Majority | Majority | 426,480 | 93.85 |
| Turnout | Turnout | Turnout | 454,408 | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## Utah

1934 United States Senate election in Utah :
| Party | Party | Candidate | Votes | % |
| | Democratic | William H. King (Incumbent) | 95,931 | 53.06% |
| | Republican | Don B. Colton | 82,154 | 45.44% |
| | Socialist | John O. Waters | 1,497 | 0.83% |
| | Communist | Cornelia B. Johnson | 1,207 | 0.67% |
| Majority | Majority | Majority | 13,777 | 7.92% |
| Turnout | Turnout | Turnout | 180,792 | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## Vermont
### Vermont (regular)

1934 United States Senate election in Vermont :
| Party | Party | Candidate | Votes | % |
| | Republican | Warren Austin (Incumbent) | 67,146 | 51.0% |
| | Democratic | Fred C. Martin | 63,632 | 48.4% |
| | Socialist | Charles R. Butler | 771 | 0.0% |
| | N/A | Other | 3 | 0.0% |
| Total votes | Total votes | Total votes | 131,552 | 100 |

### Vermont (special)

1934 United States Senate special election in Vermont :
| Party | Party | Candidate | Votes | % |
| | Republican | Ernest W. Gibson (incumbent) | 28,436 | 58.2% |
| | Democratic | Harry W. Witters | 20,382 | 41.7% |
| | N/A | Other | 12 | 0.1% |
| Total votes | Total votes | Total votes | 48,830 | 100.0% |

## Virginia

1934 United States Senate election in Virginia :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Harry F. Byrd Sr. (Incumbent) | 109,963 | 75.96% | +4.65% |
| | Republican | Lawrence C. Page | 30,289 | 20.92% | −5.75% |
| | Independent | J. L. Litz | 1,503 | 1.04% | |
| | Socialist | Herman R. Ansell | 1,127 | 0.78% | +0.10% |
| | Independent | John G. Bowman | 1,046 | 0.72% | |
| | Communist | Alexander Wright | 431 | 0.30% | +0.30% |
| | Prohibition | Hewman H. Raymond | 391 | 0.27% | −0.15% |
| | Write-ins | | 22 | 0.02% | +0.02% |
| Majority | Majority | Majority | 79,674 | 55.03% | +10.39% |
| Turnout | Turnout | Turnout | 144,772 | | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## Washington

1934 United States Senate election in Washington :
| Party | Party | Candidate | Votes | % |
| | Democratic | Lewis B. Schwellenbach | 302,606 | 60.92% |
| | Republican | Reno Odlin | 168,994 | 34.02% |
| | Cincinnatus Nonpartisan Movement | William J. Wilkins | 11,866 | 2.39% |
| | Socialist | John F. McKay | 7,192 | 1.45% |
| | Communist | George Edward Bradley | 3,470 | 0.70% |
| | Prohibition | Chester H. Thompson | 1,551 | 0.31% |
| | Socialist Labor | Edward Kriz | 556 | 0.11% |
| | Washington State American Liberty League | Glen S. Corkery | 453 | 0.09% |
| Majority | Majority | Majority | 133,612 | 26.90% |
| Turnout | Turnout | Turnout | 496,688 | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## West Virginia

1934 United States Senate election in West Virginia :
| Party | Party | Candidate | Votes | % |
| | Democratic | Rush Holt Sr. | 349,882 | 55.14% |
| | Republican | Henry D. Hatfield (Incumbent) | 281,756 | 44.40% |
| | Prohibition | John Wesley McDonald | 2,931 | 0.46% |
| Majority | Majority | Majority | 68,126 | 10.74% |
| Turnout | Turnout | Turnout | 634,569 | |
| | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican |

## Wisconsin

1934 United States Senate election in Wisconsin :
| Party | Party | Candidate | Votes | % |
| | Progressive | Robert M. La Follette Jr. (Incumbent) | 440,513 | 47.78% |
| | Democratic | John M. Callahan | 223,438 | 24.24% |
| | Republican | John B. Chapple | 210,569 | 22.84% |
| | Socialist | James P. Sheehan | 44,453 | 4.82% |
| | Independent Communist | Fern Dobbins | 2,127 | 0.23% |
| | Independent Prohibition | Theodore Lee | 826 | 0.09% |
| | None | Scattering | 23 | 0.00% |
| Majority | Majority | Majority | 217,075 | 23.54% |
| Turnout | Turnout | Turnout | 921,949 | |
| | Progressive gain from Republican | Progressive gain from Republican | Progressive gain from Republican | Progressive gain from Republican |

## Wyoming

There were two elections to the same seat due to the November 3, 1933 death of Democrat John B. Kendrick. Democrat Joseph C. O'Mahoney was appointed to continue the term, pending a special election. O'Mahoney won both the special election and the regular election to the next term.

### Wyoming (regular)

1934 United States Senate election in Wyoming :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Joseph C. O'Mahoney (inc.) | 53,806 | 56.62% | +3.13% |
| | Republican | Vincent Carter | 40,819 | 42.96% | −3.14% |
| | Socialist | Joseph N. Lunn | 401 | 0.42% | +0.01% |
| Majority | Majority | Majority | 12,987 | 13.67% | +6.26% |
| Turnout | Turnout | Turnout | 95,026 | | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

### Wyoming (special)

1934 United States Senate special election in Wyoming :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Joseph C. O'Mahoney (inc.) | 53,859 | 56.88% | +3.39% |
| | Republican | Vincent Carter | 40,825 | 43.12% | −2.97% |
| Majority | Majority | Majority | 13,034 | 13.77% | +6.36% |
| Turnout | Turnout | Turnout | 94,684 | | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold | Democratic hold |
O'Mahoney would be re-elected twice and serve until his 1952 defeat.