# 1920 Iowa Senate election

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The 1920 Iowa Senate elections took place as part of the biennial 1920 United States elections. Iowa voters elected state senators in 29 of the senate's 50 districts. State senators serve four-year terms in the Iowa Senate.
A statewide map of the 50 state Senate districts in the 1920 elections is provided by the Iowa General Assembly here.
The primary election on June 7, 1920, determined which candidates appeared on the November 2, 1920 general election ballot.
Following the previous election, Republicans had control of the Iowa Senate with 45 seats to Democrats' 5 seats.
To claim control of the chamber from Republicans, the Democrats needed to net 21 Senate seats.
Republicans maintained control of the Iowa State Senate following the 1920 general election with the balance of power shifting to Republicans holding 48 seats and Democrats having 2 seats (a net gain of 3 seats for Republicans). Democrats suffered a disastrous performance as they lost every single district up for election, including three held by them.

## Summary of Results

* Note: 21 districts with holdover Senators not up for re-election are not listed on this table.
| Senate District | Incumbent | Party | Elected Senator | Party |
| 2nd | George Washington Ball | Rep | Charles J. Fulton | Rep |
| 3rd | James M. Wilson | Rep | John J. Ethell | Rep |
| 4th | Karl Miler Le Compte | Rep | James Foster Johnston | Rep |
| 5th | James Allen Stephenson | Dem | John Andrew McIntosh | Rep |
| 6th | Francis Elmer Shane | Rep | John Colborne Tuck | Rep |
| 8th | William C. Ratcliff | Rep | Harman Albert Darting | Rep |
| 11th | Aaron VanScoy Proudfoot | Rep | Lloyd Thurston | Rep |
| 14th | Elmer Ellsworth Mitchell | Rep | Warren Alexander Caldwell | Rep |
| 15th | John Rees Price | Rep | John Rees Price | Rep |
| 16th | Edward McMurray Smith | Rep | Edward McMurray Smith | Rep |
| 17th | John Wasson Foster | Rep | Halleck J. Mantz | Rep |
| 19th | Clement F. Kimball | Rep | William Samuel Baird | Rep |
| 23rd | Albert L. Broxam | Dem | Charles Steere Browne | Rep |
| 24th | John K. Hale | Rep | John K. Hale | Rep |
| 25th | Otto A. Byington | Dem | Charles M. Dutcher | Rep |
| 26th | Willis G. Haskell | Rep | Willis G. Haskell | Rep |
| 27th | Perry C. Holdoegel | Rep | Perry C. Holdoegel | Rep |
| 28th | Wallace H. Arney | Rep | Ray Paul Scott | Rep |
| 31st | Ben Edwards | Rep | Charles Olson | Rep |
| 32nd | Bertel M. Stoddard | Rep | Bertel M. Stoddard | Rep |
| 33rd | Thomas Eddy Taylor | Rep | George Sherman Banta | Rep |
| 36th | Byron W. Newberry | Rep | Byron W. Newberry | Rep |
| 39th | William Thomas Evans | Rep | Oscar Leroy Mead | Rep |
| 40th | Albert M. Fellows | Rep | George S. Hartman | Rep |
| 41st | Thomas A. Kingland | Rep | John Marian Slosson Jr. | Rep |
| 43rd | Arthur Lynnwood Rule | Rep | John E. Wichman | Rep |
| 46th | George Franklin Coburn | Rep | Ed Hoyt Campbell | Rep |
| 47th | Henry C. Adams | Rep | Henry C. Adams | Rep |
| 49th | Nicholas Balkema | Rep | Ben C. Abben | Rep |
Source:

## Detailed Results

* NOTE: The 21 districts that did not hold elections in 1920 are not listed here.
* Note: If a district does not list a primary, then that district did not have a competitive primary (i.e., there may have only been one candidate file for that district).

### District 2

Iowa Senate, District 2 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Charles J. Fulton | 2,599 | 100.00% |
| Total votes | Total votes | Total votes | 2,599 | 100.00% |
Iowa Senate, District 2 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Frank B. Whitaker | 732 | 100.00% |
| Total votes | Total votes | Total votes | 732 | 100.00% |
Iowa Senate, District 2 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Charles J. Fulton | 7,786 | 65.64% |
| | Democratic | Frank B. Whitaker | 4,076 | 34.36% |
| Total votes | Total votes | Total votes | 11,862 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 3

Iowa Senate, District 3 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | J. J. Ethell | 2,298 | 61.58% |
| | Republican | Purley Rinker | 1,434 | 38.42% |
| Total votes | Total votes | Total votes | 3,732 | 100.00% |
Iowa Senate, District 3 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | D. C. Bradley | 1,428 | 100.00% |
| Total votes | Total votes | Total votes | 1,428 | 100.00% |
Iowa Senate, District 3 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | John J. Ethell | 9,439 | 64.59% |
| | Democratic | D. C. Bradley | 5,174 | 35.41% |
| Total votes | Total votes | Total votes | 14,613 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 4

Iowa Senate, District 4 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | James F. Johnston | 1,622 | 58.73% |
| | Republican | Emory W. Curtis | 1,140 | 41.27% |
| Total votes | Total votes | Total votes | 2,762 | 100.00% |
Iowa Senate, District 4 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | James W. Jeffries | 171 | 93.44% |
| | Democratic | J. N. Jeffries | 12 | 6.56% |
| Total votes | Total votes | Total votes | 183 | 100.00% |
Iowa Senate, District 4 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | James F. Johnston | 8,261 | 100.00% |
| Total votes | Total votes | Total votes | 8,261 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 5

Iowa Senate, District 5 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | J. A. McIntosh | 2,411 | 51.09% |
| | Republican | B. L. Eiker | 2,308 | 48.91% |
| Total votes | Total votes | Total votes | 4,719 | 100.00% |
Iowa Senate, District 5 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | J. P. Daughton | 439 | 100.00% |
| Total votes | Total votes | Total votes | 439 | 100.00% |
Iowa Senate, District 5 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | J. A. McIntosh | 11,392 | 62.05% |
| | Democratic | J. P. Daughton | 6,936 | 37.95% |
| Total votes | Total votes | Total votes | 18,358 | 100.00% |
| | Republican gain from Democratic | Republican gain from Democratic | Republican gain from Democratic | Republican gain from Democratic |

### District 6

Iowa Senate, District 6 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | J. C. Tuck | 1,430 | 45.56% |
| | Republican | Fred A. Ohieds | 951 | 30.30% |
| | Republican | V. Loy | 758 | 24.15% |
| Total votes | Total votes | Total votes | 3,139 | 100.00% |
Iowa Senate, District 6 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Fred Cotter | 253 | 100.00% |
| Total votes | Total votes | Total votes | 253 | 100.00% |
Iowa Senate, District 6 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | J. C. Tuck | 7,251 | 64.75% |
| | Democratic | Fred Cotter | 3,947 | 35.25% |
| Total votes | Total votes | Total votes | 11,198 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 8

Iowa Senate, District 8 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | H. A. Darting | 1,531 | 50.11% |
| | Republican | Fred Durbin | 1,524 | 49.89% |
| Total votes | Total votes | Total votes | 3,055 | 100.00% |
Iowa Senate, District 8 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Frank Allender | 111 | 100.00% |
| Total votes | Total votes | Total votes | 111 | 100.00% |
Iowa Senate, District 8 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | H. A. Darting | 8,653 | 100.00% |
| Total votes | Total votes | Total votes | 8,653 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 11

Iowa Senate, District 11 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Lloyd Thurston | 2,602 | 100.00% |
| Total votes | Total votes | Total votes | 2,602 | 100.00% |
Iowa Senate, District 11 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | M. E. Stansell | 119 | 100.00% |
| Total votes | Total votes | Total votes | 119 | 100.00% |
Iowa Senate, District 11 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Lloyd Thurston | 8,343 | 100.00% |
| Total votes | Total votes | Total votes | 8,343 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 14

Iowa Senate, District 14 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | W. A. Caldwell | 930 | 44.58% |
| | Republican | Thomas J. Wilson | 749 | 35.91% |
| | Republican | Elmer E. Mitchell (incumbent) | 407 | 19.51% |
| Total votes | Total votes | Total votes | 2,086 | 100.00% |
Iowa Senate, District 14 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | N. S. Downey | 261 | 56.86% |
| | Democratic | D. B. Green | 198 | 43.14% |
| Total votes | Total votes | Total votes | 459 | 100.00% |
Iowa Senate, District 14 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | W. A. Caldwell | 5,882 | 58.32% |
| | Democratic | M. S. Downey | 4,203 | 41.68% |
| Total votes | Total votes | Total votes | 10,085 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 15

Iowa Senate, District 15 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | John R. Price (incumbent) | 2,338 | 55.25% |
| | Republican | W. G. Vander Ploeg | 1,894 | 44.75% |
| Total votes | Total votes | Total votes | 4,232 | 100.00% |
Iowa Senate, District 15 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | L. R. Clements | 1,495 | 100.00% |
| Total votes | Total votes | Total votes | 1,495 | 100.00% |
Iowa Senate, District 15 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | John R. Price (incumbent) | 9,293 | 59.06% |
| | Democratic | L. R. Clements | 6,441 | 40.94% |
| Total votes | Total votes | Total votes | 15,734 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 16

Iowa Senate, District 16 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Ed. M. Smith (incumbent) | 2,289 | 100.00% |
| Total votes | Total votes | Total votes | 2,289 | 100.00% |
Iowa Senate, District 16 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Pierre McDermid | 420 | 100.00% |
| Total votes | Total votes | Total votes | 420 | 100.00% |
Iowa Senate, District 16 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Ed. M. Smith (incumbent) | 8,114 | 70.49% |
| | Democratic | Pierre McDermid | 3,397 | 29.51% |
| Total votes | Total votes | Total votes | 11,511 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 17

Iowa Senate, District 17 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | H. J. Mantz | 3,360 | 57.86% |
| | Republican | H. J. Hoogenakker | 2,447 | 42.14% |
| Total votes | Total votes | Total votes | 5,807 | 100.00% |
Iowa Senate, District 17 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Fred Land | 690 | 100.00% |
| Total votes | Total votes | Total votes | 690 | 100.00% |
Iowa Senate, District 17 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | H. J. Mantz | 13,256 | 67.41% |
| | Democratic | Fred Land | 6,409 | 32.59% |
| Total votes | Total votes | Total votes | 19,665 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 19

Iowa Senate, District 19 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | W. S. Baird | 1,576 | 57.08% |
| | Republican | Lewis J. Neff | 1,185 | 42.92% |
| Total votes | Total votes | Total votes | 2,761 | 100.00% |
Iowa Senate, District 19 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | W. S. Baird | 13,463 | 86.25% |
| | Independent | Harry O. Richardson | 2,147 | 13.75% |
| Total votes | Total votes | Total votes | 15,610 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 23

Iowa Senate, District 23 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Charles S. Browne | 858 | 100.00% |
| Total votes | Total votes | Total votes | 858 | 100.00% |
Iowa Senate, District 23 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | A. L. Broxam (incumbent) | 393 | 100.00% |
| Total votes | Total votes | Total votes | 393 | 100.00% |
Iowa Senate, District 23 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Charles Browne | 4,160 | 63.87% |
| | Democratic | A. L. Broxam (incumbent) | 2,353 | 36.13% |
| Total votes | Total votes | Total votes | 6,513 | 100.00% |
| | Republican gain from Democratic | Republican gain from Democratic | Republican gain from Democratic | Republican gain from Democratic |

### District 24

Iowa Senate, District 24 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | J. K. Hale (incumbent) | 2,366 | 100.00% |
| Total votes | Total votes | Total votes | 2,366 | 100.00% |
Iowa Senate, District 24 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | J. K. Hale (incumbent) | 11,529 | 100.00% |
| Total votes | Total votes | Total votes | 11,529 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 25

Iowa Senate, District 25 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Charles M. Dutcher | 1,877 | 100.00% |
| Total votes | Total votes | Total votes | 1,877 | 100.00% |
Iowa Senate, District 25 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | E. A. Baldwin | 1,281 | 100.00% |
| Total votes | Total votes | Total votes | 1,281 | 100.00% |
Iowa Senate, District 25 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Charles M. Dutcher | 10,420 | 59.58% |
| | Democratic | E. A. Baldwin | 7,068 | 40.42% |
| Total votes | Total votes | Total votes | 17,488 | 100.00% |
| | Republican gain from Democratic | Republican gain from Democratic | Republican gain from Democratic | Republican gain from Democratic |

### District 26

Iowa Senate, District 26 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | W. G. Haskell (incumbent) | 5,579 | 100.00% |
| Total votes | Total votes | Total votes | 5,579 | 100.00% |
Iowa Senate, District 26 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | W. G. Haskell (incumbent) | 20,045 | 100.00% |
| Total votes | Total votes | Total votes | 20,045 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 27

Iowa Senate, District 27 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Perry C. Holdoegel (incumbent) | 3,445 | 100.00% |
| Total votes | Total votes | Total votes | 3,445 | 100.00% |
Iowa Senate, District 27 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Perry C. Holdoegel (incumbent) | 13,144 | 100.00% |
| Total votes | Total votes | Total votes | 13,144 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 28

Iowa Senate, District 28 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | H. C. Lounsberry | 1,102 | 32.93% |
| | Republican | Ray P. Scott | 903 | 26.99% |
| | Republican | G. F. Stansberry | 735 | 21.97% |
| | Republican | D. N. Ferguson | 606 | 18.11% |
| Total votes | Total votes | Total votes | 3,346 | 100.00% |
Iowa Senate, District 28 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Robert E. Johnson | 173 | 100.00% |
| Total votes | Total votes | Total votes | 173 | 100.00% |
Iowa Senate, District 28 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Ray P. Scott | 8,249 | 73.06% |
| | Democratic | Robert E. Johnson | 3,041 | 26.94% |
| Total votes | Total votes | Total votes | 11,290 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 31

Iowa Senate, District 31 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Charles Olson | 2,681 | 41.09% |
| | Republican | Martin J. Lockard | 2,017 | 30.92% |
| | Republican | Justin R. Doran | 1,826 | 27.99% |
| Total votes | Total votes | Total votes | 6,524 | 100.00% |
Iowa Senate, District 31 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Joseph A. Judge | 361 | 100.00% |
| Total votes | Total votes | Total votes | 361 | 100.00% |
Iowa Senate, District 31 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Charles Olson | 14,632 | 75.54% |
| | Democratic | Joseph A. Judge | 4,739 | 24.46% |
| Total votes | Total votes | Total votes | 19,371 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 32

Iowa Senate, District 32 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | B. M. Stoddard (incumbent) | 4,097 | 100.00% |
| Total votes | Total votes | Total votes | 4,097 | 100.00% |
Iowa Senate, District 32 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | B. M. Stoddard (incumbent) | 18,136 | 100.00% |
| Total votes | Total votes | Total votes | 18,136 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 33

Iowa Senate, District 33 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | George S. Banta | 2,169 | 59.33% |
| | Republican | S. W. Klaus | 1,487 | 40.67% |
| Total votes | Total votes | Total votes | 3,656 | 100.00% |
Iowa Senate, District 33 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Rudolph Leytze | 398 | 100.00% |
| Total votes | Total votes | Total votes | 398 | 100.00% |
Iowa Senate, District 33 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | George S. Banta | 11,272 | 77.26% |
| | Democratic | Rudolph Leytze | 3,317 | 22.74% |
| Total votes | Total votes | Total votes | 14,589 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 36

Iowa Senate, District 36 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Byron W. Newberry (incumbent) | 1,407 | 100.00% |
| Total votes | Total votes | Total votes | 1,407 | 100.00% |
Iowa Senate, District 36 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | P. W. Connelly | 70 | 100.00% |
| Total votes | Total votes | Total votes | 70 | 100.00% |
Iowa Senate, District 36 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Byron W. Newberry (incumbent) | 5,832 | 78.24% |
| | Independent | P. N. Conley | 1,622 | 21.76% |
| Total votes | Total votes | Total votes | 7,454 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 39

Iowa Senate, District 39 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | O. L. Mead | 2,052 | 59.05% |
| | Republican | W. W. Saylor | 1,423 | 40.95% |
| Total votes | Total votes | Total votes | 3,475 | 100.00% |
Iowa Senate, District 39 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | H. J. Feyereison | 249 | 100.00% |
| Total votes | Total votes | Total votes | 249 | 100.00% |
Iowa Senate, District 39 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | O. L. Mead | 10,282 | 100.00% |
| Total votes | Total votes | Total votes | 10,282 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 40

Iowa Senate, District 40 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | G. S. Hartman | 1,202 | 21.38% |
| | Republican | W. W. Comstock | 1,175 | 20.90% |
| | Republican | Joe Reilly | 1,082 | 19.24% |
| | Republican | A. E. Anderson | 1,072 | 19.06% |
| | Republican | Gus Gunderson | 739 | 13.14% |
| | Republican | W. H. Walrath | 353 | 6.28% |
| Total votes | Total votes | Total votes | 5,623 | 100.00% |
Iowa Senate, District 40 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Reed H. McIlree | 616 | 100.00% |
| Total votes | Total votes | Total votes | 616 | 100.00% |
Iowa Senate, District 40 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | George S. Hartman | 12,152 | 73.15% |
| | Democratic | Reed H. McIlree | 4,460 | 26.85% |
| Total votes | Total votes | Total votes | 16,612 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 41

Iowa Senate, District 41 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | J. M. Slosson | 4,636 | 100.00% |
| Total votes | Total votes | Total votes | 4,636 | 100.00% |
Iowa Senate, District 41 Democratic Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Democratic | R. C. Plummer | 28 | 100.00% |
| Total votes | Total votes | Total votes | 28 | 100.00% |
Iowa Senate, District 41 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | J. M. Slosson | 11,323 | 100.00% |
| Total votes | Total votes | Total votes | 11,323 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 43

Iowa Senate, District 43 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | John E. Wichman | 4,168 | 54.98% |
| | Republican | W. P. Chambers | 3,413 | 45.02% |
| Total votes | Total votes | Total votes | 7,581 | 100.00% |
Iowa Senate, District 43 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | John E. Wichman | 15,754 | 100.00% |
| Total votes | Total votes | Total votes | 15,754 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 46

Iowa Senate, District 46 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Ed. H. Campbell | 2,446 | 51.85% |
| | Republican | George F. Coburn (incumbent) | 2,271 | 48.15% |
| Total votes | Total votes | Total votes | 4,717 | 100.00% |
Iowa Senate, District 46 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Ed. H. Campbell | 13,470 | 100.00% |
| Total votes | Total votes | Total votes | 13,470 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 47

Iowa Senate, District 47 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Henry C. Adams (incumbent) | 4,098 | 48.63% |
| | Republican | D. E. Kulp | 2,766 | 32.82% |
| | Republican | H. Leslie Wildey | 1,563 | 18.55% |
| Total votes | Total votes | Total votes | 8,427 | 100.00% |
Iowa Senate, District 47 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Henry C. Adams (incumbent) | 20,698 | 100.00% |
| Total votes | Total votes | Total votes | 20,698 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### District 49

Iowa Senate, District 49 Republican Primary Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Ben C. Abben Jr. | 3,222 | 51.30% |
| | Republican | E. L. Richards | 3,059 | 48.70% |
| Total votes | Total votes | Total votes | 6,281 | 100.00% |
Iowa Senate, District 49 General Election, 1920 :
| Party | Party | Candidate | Votes | % |
| | Republican | Ben C. Abben, Jr. | 16,962 | 100.00% |
| Total votes | Total votes | Total votes | 16,962 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |
* 1 2 Name is listed as "N. S. Downey" in the Primary and "M. S. Downey" in the General.
* 1 2 Despite placing in second in the Primary, Scott would go on to the General.