1940 United States Senate elections
Races leading to the 77th Congress
In these general elections, the winners were elected for the term beginning January 3, 1941; ordered by state. All of the elections involved the Class 1 seats.

1940 United States Senate elections

Section Title: Races leading to the 77th Congress
Table Section Text: In these general elections, the winners were elected for the term beginning January 3, 1941; ordered by state. All of the elections involved the Class 1 seats.

State	Incumbent	Results	Candidates

Senator	Party	Electoral history

Arizona	Henry F. Ashurst	Democratic	1912 1916 1922 1928 1934	Incumbent lost renomination. New senator elected. Democratic hold.	√ Ernest W. McFarland (Democratic) 71.6% I. A. Jennings (Republican) 28.0% A. Walter Gehres (Prohibition) 0.4%

California	Hiram W. Johnson	Republican	1916 1922 1928 1934	Incumbent re-elected.	√ Hiram W. Johnson (Republican) 82.5% Fred Dyster (Prohibition) 13.5% Anita Whitney (Communist) 3.6%

Connecticut	Francis T. Maloney	Democratic	1934	Incumbent re-elected.	√ Francis T. Maloney (Democratic) 53.2% Paul L. Cornell (Republican) 45.7%

Delaware	John G. Townsend, Jr.	Republican	1928 1934	Incumbent lost re-election. New senator elected. Democratic gain.	√ James M. Tunnell (Democratic) 50.6% John G. Townsend, Jr. (Republican) 47.3% William F Allen (Liberal Democratic) 2.1%

Florida	Charles O. Andrews	Democratic	1936 (Special)	Incumbent re-elected.	√ Charles O. Andrews (Democratic) Unopposed

Indiana	Sherman Minton	Democratic	1934	Incumbent lost re-election. New senator elected. Republican gain.	√ Raymond E. Willis (Republican) 50.5% Sherman Minton (Democratic) 49.1% Carl W. Thompson (Prohibition) 0.3% John H. Kingsbury (Socialist) 0.1%

Maine	Frederick Hale	Republican	1916 1922 1928 1934	Incumbent retired. New senator elected. Republican hold.	√ Ralph O. Brewster (Republican) 58.6% Louis J. Brann (Democratic) 41.3%

Maryland	George L. P. Radcliffe	Democratic	1934	Incumbent re-elected.	√ George L. P. Radcliffe (Democratic) 64.7% Harry W. Nice (Republican) 33.5%

Massachusetts	David I. Walsh	Democratic	1926 (Special) 1928 1934	Incumbent re-elected.	√ David I. Walsh (Democratic) 55.6% Henry Parkman Jr. (Republican) 42.8%

Michigan	Arthur H. Vandenberg	Republican	1928 (Appointed) 1928 (Special) 1928 1934	Incumbent re-elected.	√ Arthur H. Vandenberg (Republican) 52.7% Frank Fitzpatrick (Democratic) 47.0%

Minnesota	Henrik Shipstead	Farmer–Labor	1922 1928 1934	Incumbent re-elected as a Republican. Republican gain.	√ Henrik Shipstead (Republican) 53.0% Elmer Austin Benson (Farmer–Labor) 25.7% John E. Regan (Democratic) 20.6%

Mississippi	Theodore G. Bilbo	Democratic	1934	Incumbent re-elected.	√ Theodore G. Bilbo (Democratic) Unopposed

Missouri	Harry S. Truman	Democratic	1934	Incumbent re-elected.	√ Harry S. Truman (Democratic) 51.2% Manvel H.

Montana	Burton K. Wheeler	Democratic	1922 1928 1934	Incumbent re-elected.	√ Burton K. Wheeler (Democratic) 73.4% E. K. Cheadle (Republican) 26.6%

Nebraska	Edward R. Burke	Democratic	1934	Incumbent lost renomination. New senator elected. Republican gain.	√ Hugh Butler (Republican) 57.0% R. L. Cochran (Democratic) 41.5%

Nevada	Key Pittman	Democratic	1913 (Special) 1916 1922 1928 1934	Incumbent re-elected. Winner died November 10, 1940 and Berkeley L.	√ Key Pittman (Democratic) 60.5% Samuel Platt (Republican) 39.5%

New Jersey	W. Warren Barbour	Republican	1931 (Appointed) 1932 (Special) 1936 (Lost) 1938 (Special)	Incumbent re-elected.	√ W. Warren Barbour (Republican) 55.1% James H. R. Cromwell (Democratic) 44.1%

New Mexico	Dennis Chavez	Democratic	1935 (Appointed) 1936 (Special)	Incumbent re-elected.	√ Dennis Chavez (Democratic) 56.0% Albert K. Mitchell (Republican) 44.1%

New York	James M. Mead	Democratic	1938 (Special)	Incumbent re-elected.	√ James M. Mead (Democratic) 53.3% Bruce Barton (Republican) 46.7%

North Dakota	Lynn J. Frazier	Republican (Nonpartisan League)	1922 1928 1934	Incumbent lost renomination. New senator elected. Republican hold.	√ William Langer (Republican-NPL) 38.1% William Lemke (Independent) 35.1% Charles V. Vogel (Democratic) 26.5%

Ohio	A. Victor Donahey	Democratic	1934	Incumbent retired. New senator elected. Republican gain.	√ Harold H. Burton (Republican) 52.4% John McSweeney (Democratic) 47.6%

Pennsylvania	Joseph F. Guffey	Democratic	1934	Incumbent re-elected.	√ Joseph F. Guffey (Democratic) 51.8% Jay Cooke (Republican) 47.4%

Rhode Island	Peter G. Gerry	Democratic	1916 1922 1928 (Lost) 1934	Incumbent re-elected.	√ Peter G. Gerry (Democratic) 55.2% James O. McManus (Republican) 44.8%

Tennessee	Kenneth D. McKellar	Democratic	1916 1922 1928 1934	Incumbent re-elected.	√ Kenneth D. McKellar (Democratic) 70.8% Howard H. Baker, Sr. (Republican) 29.2%

Texas	Tom Connally	Democratic	1928 1934	Incumbent re-elected.	√ Tom Connally (Democratic) 94.3% George I. Shannon (Republican) 5.7%

Utah	William H. King	Democratic	1916 1922 1928 (Lost) 1934	Incumbent lost renomination. New senator elected. Democratic hold.	√ Abe Murdock (Democratic) 62.9% Philo T. Farnsworth, Jr. (Republican) 37.2%

Vermont	Warren R. Austin	Republican	1931 (Special) 1934	Incumbent re-elected.	√ Warren R. Austin (Republican) 66.5% Ona S. Searles (Democratic) 33.6%

Virginia	Harry F. Byrd	Democratic	1933 (Appointed) 1933 (Special) 1934	Incumbent re-elected.	√ Harry F. Byrd (Democratic) 93.3

Washington	Lewis B. Schwellenbach	Democratic	1934	Incumbent retired. New senator elected. Democratic hold. Incumbent resigned December 16, 1940. Winner appointed to finish the term.	√ Monrad Wallgren (Democratic) 54.2% Stephen F. Chadwick (Republican) 45.8%

West Virginia	Rush Holt	Democratic	1934	Incumbent lost renomination. New senator elected. Democratic hold.	√ Harley M. Kilgore (Democratic) 56.3% Thomas Sweeney (Republican) 43.7%

Wisconsin	Robert M. La Follette Jr.	Progressive	1925 (Special) 1928 1934	Incumbent re-elected.	√ Robert M. La Follette Jr. (Progressive) 45.3% Fred H. Clausen (Republican) 41.4% James E. Finnegan (Democratic) 13.2%

Wyoming	Joseph C. O'Mahoney	Democratic	1933 (Appointed) 1934	Incumbent re-elected.	√ Joseph C. O'Mahoney (Democratic) 58.7% Milward Simpson (Republican) 41.3%

Sentence(s)

Democrats won one seat from a Republican in Delaware when Republican John G. Townsend, Jr. lost to Democrat James M. Tunnell.

final_sentence: Democrats won one seat from a Republican in Delaware when Republican John G. Townsend, Jr. lost to Democrat James M. Tunnell.