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United States · Election results history · 1932 Senate · Iowa
Election 1932 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

1932 US Senate election in Iowa

Richard L. Murphy (Democrat) beat Henry Field (Republican) in Iowa in 1932, 54.2% to 40.2%, a margin of 13.9 points and 138,493 votes.

Iowa changed party: in 1926 it went Republican, for Smith W. Brookhart.

Democrats led in 83 of the 99 counties as they stood then and Republicans in 16. The largest, Polk, cast 63,120 votes and went to the Republican by 0.9 points. The closest was Emmet, where 131 votes separated the two parties.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Senate

CandidatePartyVotesShare
Richard L. Murphy won Democratic 538,422 54.2%
Henry Field Republican 399,929 40.2%
All other candidates 55,945 5.6%
Total994,296

Every county

CountyDemocratRepublicanOthersTotalMargin
Polk 30,092 47.7% 30,665 48.6% 2,363 63,120 R+0.9
Woodbury 23,777 63.4% 12,547 33.4% 1,187 37,511 D+29.9
Linn 18,133 50.8% 16,579 46.4% 1,006 35,718 D+4.4
Scott 17,090 57.5% 12,053 40.5% 599 29,742 D+16.9
Black Hawk 14,505 50.3% 13,362 46.3% 996 28,863 D+4.0
Pottawattamie 15,529 60.2% 9,355 36.3% 911 25,795 D+23.9
Dubuque 20,315 80.0% 4,835 19.0% 253 25,403 D+60.9
Clinton 12,898 60.9% 7,953 37.6% 313 21,164 D+23.4
Lee 10,065 59.6% 6,479 38.4% 347 16,891 D+21.2
Wapello 9,116 55.2% 6,661 40.4% 723 16,500 D+14.9
Cerro Gordo 8,038 51.2% 6,326 40.3% 1,349 15,713 D+10.9
Des Moines 9,340 62.0% 4,865 32.3% 868 15,073 D+29.7
Johnson 8,361 60.5% 5,108 37.0% 353 13,822 D+23.5
Marshall 5,783 45.8% 6,091 48.2% 763 12,637 R+2.4
Fayette 7,001 55.7% 5,209 41.5% 356 12,566 D+14.3
Muscatine 6,144 50.1% 5,830 47.5% 290 12,264 D+2.6
Jasper 6,125 51.0% 5,450 45.4% 433 12,008 D+5.6
Story 4,905 41.2% 6,068 50.9% 937 11,910 R+9.8
Webster 6,383 55.0% 4,504 38.8% 725 11,612 D+16.2
Harrison 6,799 62.5% 3,853 35.4% 228 10,880 D+27.1
Clayton 7,159 66.2% 3,553 32.8% 104 10,816 D+33.3
Marion 6,342 59.4% 3,906 36.6% 428 10,676 D+22.8
Tama 6,166 58.5% 3,966 37.7% 401 10,533 D+20.9
Plymouth 6,927 68.0% 3,008 29.5% 254 10,189 D+38.5
Winneshiek 6,352 64.4% 3,184 32.3% 331 9,867 D+32.1
Mahaska 4,604 46.9% 4,369 44.5% 851 9,824 D+2.4
Sioux 5,046 51.8% 4,212 43.2% 489 9,747 D+8.6
Kossuth 6,060 62.7% 3,094 32.0% 510 9,664 D+30.7
Appanoose 4,920 51.7% 4,388 46.1% 217 9,525 D+5.6
Page 3,866 41.8% 5,091 55.1% 288 9,245 R+13.3
Buchanan 4,654 50.6% 4,297 46.8% 239 9,190 D+3.9
Dallas 4,275 46.6% 4,546 49.5% 359 9,180 R+3.0
Carroll 6,545 71.6% 2,411 26.4% 187 9,143 D+45.2
Keokuk 5,178 57.1% 3,343 36.9% 547 9,068 D+20.2
Benton 5,432 61.0% 3,117 35.0% 350 8,899 D+26.0
Boone 4,194 48.5% 3,397 39.2% 1,065 8,656 D+9.2
Delaware 4,129 48.7% 4,266 50.3% 85 8,480 R+1.6
Cass 3,674 43.6% 4,493 53.4% 250 8,417 R+9.7
Floyd 4,040 48.4% 3,861 46.3% 440 8,341 D+2.1
Washington 3,754 45.3% 3,340 40.3% 1,194 8,288 D+5.0
Hardin 4,315 52.4% 3,065 37.3% 848 8,228 D+15.2
Crawford 5,339 65.4% 2,458 30.1% 371 8,168 D+35.3
Jones 4,649 57.0% 3,394 41.6% 109 8,152 D+15.4
Poweshiek 4,010 49.6% 3,685 45.6% 382 8,077 D+4.0
Buena Vista 4,168 53.1% 3,207 40.8% 477 7,852 D+12.2
Wright 4,124 52.8% 3,070 39.3% 619 7,813 D+13.5
Henry 3,883 50.3% 3,214 41.7% 618 7,715 D+8.7
Bremer 5,014 65.2% 2,545 33.1% 132 7,691 D+32.1
Cedar 4,251 55.6% 3,248 42.5% 145 7,644 D+13.1
Allamakee 4,526 59.3% 2,919 38.3% 186 7,631 D+21.1
O'Brien 3,911 51.8% 3,209 42.5% 431 7,551 D+9.3
Monona 4,607 61.1% 2,504 33.2% 429 7,540 D+27.9
Jackson 4,721 62.9% 2,650 35.3% 140 7,511 D+27.6
Hamilton 4,224 57.3% 2,494 33.8% 656 7,374 D+23.5
Shelby 4,474 60.8% 2,782 37.8% 101 7,357 D+23.0
Chickasaw 4,580 63.1% 2,533 34.9% 143 7,256 D+28.2
Warren 3,077 42.4% 4,016 55.4% 157 7,250 R+13.0
Sac 3,525 49.6% 3,328 46.9% 250 7,103 D+2.8
Montgomery 3,286 46.4% 3,483 49.1% 320 7,089 R+2.8
Cherokee 4,207 60.0% 2,622 37.4% 185 7,014 D+22.6
Union 3,462 50.2% 3,250 47.1% 183 6,895 D+3.1
Fremont 3,981 58.2% 2,773 40.5% 89 6,843 D+17.7
Butler 3,461 50.9% 3,007 44.3% 327 6,795 D+6.7
Jefferson 3,386 50.8% 2,811 42.1% 474 6,671 D+8.6
Iowa 3,717 56.6% 2,482 37.8% 369 6,568 D+18.8
Calhoun 3,553 55.1% 2,572 39.9% 320 6,445 D+15.2
Howard 3,806 59.7% 2,395 37.6% 172 6,373 D+22.1
Palo Alto 3,562 56.3% 2,382 37.7% 379 6,323 D+18.7
Clay 3,290 52.9% 2,602 41.8% 331 6,223 D+11.1
Wayne 3,274 52.7% 2,663 42.9% 274 6,211 D+9.8
Mitchell 3,159 50.9% 2,547 41.1% 495 6,201 D+9.9
Mills 3,162 52.1% 2,718 44.8% 191 6,071 D+7.3
Monroe 3,181 53.5% 2,277 38.3% 490 5,948 D+15.2
Hancock 2,856 48.3% 2,635 44.5% 426 5,917 D+3.7
Grundy 3,039 51.6% 2,598 44.1% 257 5,894 D+7.5
Pocahontas 3,352 58.1% 1,788 31.0% 631 5,771 D+27.1
Taylor 2,499 43.7% 2,849 49.9% 365 5,713 R+6.1
Lucas 2,863 50.5% 2,405 42.4% 406 5,674 D+8.1
Decatur 3,104 55.3% 2,263 40.3% 249 5,616 D+15.0
Guthrie 2,510 44.8% 2,887 51.5% 206 5,603 R+6.7
Franklin 3,054 55.3% 1,957 35.5% 507 5,518 D+19.9
Madison 2,482 45.1% 2,896 52.7% 122 5,500 R+7.5
Van Buren 2,710 50.6% 2,128 39.7% 516 5,354 D+10.9
Winnebago 1,937 37.4% 1,649 31.9% 1,590 5,176 D+5.6
Lyon 2,863 56.5% 1,966 38.8% 239 5,068 D+17.7
Davis 2,871 57.2% 1,932 38.5% 215 5,018 D+18.7
Ida 3,117 62.9% 1,651 33.3% 184 4,952 D+29.6
Greene 2,235 45.2% 2,536 51.3% 172 4,943 R+6.1
Adair 2,054 42.2% 2,569 52.8% 239 4,862 R+10.6
Humboldt 2,516 53.5% 1,946 41.4% 239 4,701 D+12.1
Louisa 2,441 52.3% 2,036 43.6% 191 4,668 D+8.7
Audubon 2,416 53.4% 1,952 43.1% 156 4,524 D+10.3
Emmet 2,159 48.5% 2,028 45.6% 262 4,449 D+2.9
Ringgold 1,951 44.5% 2,146 48.9% 288 4,385 R+4.4
Dickinson 2,133 49.8% 1,994 46.6% 156 4,283 D+3.2
Worth 2,001 48.9% 1,454 35.5% 639 4,094 D+13.4
Clarke 1,977 51.0% 1,720 44.4% 181 3,878 D+6.6
Adams 1,570 41.2% 2,073 54.3% 172 3,815 R+13.2
Osceola 2,111 58.2% 1,331 36.7% 184 3,626 D+21.5

Counties as they stood in 1932; some have since been split, merged or renamed. Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Iowa Senate elections we hold

YearWinnerMargin
2022 Chuck Grassley (R) R+12.2
2020 Joni Ernst (R) R+6.6
2016 Chuck Grassley (R) R+24.4
2014 Joni Ernst (R) R+8.3
2010 Chuck Grassley (R) R+31.0
2008 Tom Harkin (D) D+25.4
2004 Charles E. Grassley (R) R+42.3
2002 Tom Harkin (D) D+10.4
1998 Charles E. Grassley (R) R+37.9
1996 Tom Harkin (D) D+5.1
1992 Chuck Grassley (R) R+42.4
1990 Tom Harkin (D) D+9.1
1986 Charles E. Grassley (R) R+32.5
1984 Tom Harkin (D) D+11.8
1980 Charles E. Grassley (R) R+7.9
1978 Roger W. Jepsen (R) R+3.2
1974 John C. Culver (D) D+4.8
1972 Dick Clark (D) D+11.0
1968 Harold E. Hughes (D) D+0.6
1966 Jack Miller (R) R+23.1
1962 Bourke Hickenlooper (R) R+6.8
1960 Jack Miller (R) R+3.8
1956 Bourke Hickenlooper (R) R+7.8
1954 Thomas E. Martin (R) R+4.7
1950 Bourke Hickenlooper (R) R+10.1
1948 Guy M. Gillette (D) D+16.2
1944 Bourke Hickenlooper (R) R+2.9
1942 George A. Wilson (R) R+16.3
1938 Guy M. Gillette (D) D+0.3
1936 Clyde L. Herring (D) D+3.4
1932 Richard L. Murphy (D) D+13.9
1930 Lester Dickinson (R) R+13.3
1926 Smith W. Brookhart (R) R+13.2
1924 Smith W. Brookhart (R) R+0.1
1920 Albert B. Cummins (R) R+24.0
1918 William S. Kenyon (R) R+30.8
1914 Albert B. Cummins (R) R+9.0