United States · Election results history · 1936 Senate · Iowa

Election 1936 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.

1936 US Senate election in Iowa

Clyde L. Herring (Democrat) beat Lester Dickinson (Republican) in Iowa in 1936, 50.5% to 47.1%, a margin of 3.4 points and 35,920 votes.

Guy M. Gillette (Democrat) beat Berry F. Halden (Republican) in Iowa in 1936, 51.9% to 46.6%, a margin of 5.3 points and 54,554 votes. (This was a special election.)

Iowa changed party: in 1930 it went Republican, for Lester Dickinson.

Democrats led in 64 of the 99 counties as they stood then and Republicans in 35. The largest, Polk, cast 71,086 votes and went to the Democrat by 1.2 points. The closest was Mills, where 17 votes separated the two parties.

United States

Results

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If only voted How this works

If the polls miss like

Or set the national mood Turnout

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

Candidate	Party	Votes	Share
Clyde L. Herring won	Democratic	539,555	50.5%
Lester Dickinson	Republican	503,635	47.1%
All other candidates		25,567	2.4%
Total		1,068,757

Special election

Candidate	Party	Votes	Share
Guy M. Gillette won	Democratic	536,075	51.9%
Berry F. Halden	Republican	481,521	46.6%
All other candidates		16,179	1.6%
Total		1,033,775

Every county

County	Democrat	Republican	Others	Total	Margin
Polk	35,255 49.6%	34,390 48.4%	1,441	71,086	D+1.2
Woodbury	21,826 56.4%	15,479 40.0%	1,375	38,680	D+16.4
Linn	17,063 44.7%	19,908 52.2%	1,174	38,145	R+7.5
Scott	18,740 57.1%	13,137 40.0%	927	32,804	D+17.1
Black Hawk	14,843 49.9%	14,340 48.2%	577	29,760	D+1.7
Pottawattamie	15,061 53.8%	12,670 45.3%	269	28,000	D+8.5
Dubuque	14,907 59.5%	8,856 35.3%	1,309	25,072	D+24.1
Clinton	11,103 50.3%	10,496 47.5%	496	22,095	D+2.7
Lee	8,703 47.1%	9,454 51.2%	320	18,477	R+4.1
Wapello	9,938 55.9%	7,695 43.3%	150	17,783	D+12.6
Cerro Gordo	8,560 50.9%	7,859 46.7%	407	16,826	D+4.2
Webster	7,682 49.6%	6,619 42.7%	1,189	15,490	D+6.9
Des Moines	5,956 41.1%	7,444 51.4%	1,088	14,488	R+10.3
Johnson	7,751 55.2%	6,037 43.0%	265	14,053	D+12.2
Jasper	7,242 52.7%	6,306 45.9%	189	13,737	D+6.8
Marshall	4,955 37.4%	7,736 58.4%	557	13,248	R+21.0
Muscatine	6,208 48.7%	6,290 49.4%	245	12,743	R+0.6
Fayette	6,230 49.3%	6,253 49.5%	154	12,637	R+0.2
Story	5,495 44.3%	6,376 51.3%	546	12,417	R+7.1
Appanoose	6,133 52.4%	5,492 46.9%	81	11,706	D+5.5
Clayton	6,260 53.5%	5,181 44.3%	253	11,694	D+9.2
Marion	6,262 54.3%	5,121 44.4%	140	11,523	D+9.9
Dallas	5,619 49.5%	5,571 49.1%	153	11,343	D+0.4
Harrison	5,903 52.2%	5,225 46.2%	171	11,299	D+6.0
Kossuth	7,133 63.5%	3,971 35.3%	133	11,237	D+28.1
Tama	5,836 53.0%	5,006 45.5%	171	11,013	D+7.5
Mahaska	5,160 47.6%	5,212 48.1%	461	10,833	R+0.5
Page	4,139 38.5%	6,590 61.3%	28	10,757	R+22.8
Winneshiek	5,265 50.5%	4,717 45.3%	439	10,421	D+5.3
Plymouth	5,056 49.1%	4,802 46.7%	434	10,292	D+2.5
Boone	5,249 51.6%	4,232 41.6%	687	10,168	D+10.0
Cass	4,072 42.0%	5,582 57.6%	42	9,696	R+15.6
Sioux	4,694 48.7%	4,637 48.1%	312	9,643	D+0.6
Carroll	5,552 57.6%	3,636 37.7%	445	9,633	D+19.9
Buchanan	4,616 48.6%	4,837 50.9%	45	9,498	R+2.3
Keokuk	4,736 50.2%	4,569 48.4%	130	9,435	D+1.8
Benton	4,596 49.4%	4,308 46.3%	402	9,306	D+3.1
Jones	4,447 49.6%	4,393 49.0%	134	8,974	D+0.6
Hardin	4,336 48.5%	4,103 45.9%	495	8,934	D+2.6
Washington	3,984 45.4%	4,679 53.3%	117	8,780	R+7.9
Delaware	3,898 45.2%	4,586 53.2%	134	8,618	R+8.0
Crawford	4,652 54.2%	3,593 41.9%	334	8,579	D+12.3
Floyd	3,752 43.9%	4,397 51.4%	404	8,553	R+7.5
Warren	3,686 43.9%	4,670 55.6%	48	8,404	R+11.7
Poweshiek	4,163 49.6%	4,064 48.5%	161	8,388	D+1.2
Jackson	4,448 53.3%	3,523 42.2%	368	8,339	D+11.1
Union	3,461 41.5%	4,784 57.4%	85	8,330	R+15.9
Allamakee	3,958 47.7%	4,206 50.7%	126	8,290	R+3.0
Monona	4,891 59.7%	3,120 38.1%	175	8,186	D+21.6
Montgomery	3,527 43.6%	4,504 55.7%	59	8,090	R+12.1
Buena Vista	4,326 53.9%	3,527 44.0%	167	8,020	D+10.0
Shelby	4,232 52.8%	3,623 45.2%	163	8,018	D+7.6
Wright	4,398 54.9%	3,396 42.4%	215	8,009	D+12.5
Bremer	4,277 53.7%	3,559 44.7%	126	7,962	D+9.0
Henry	3,328 42.1%	4,454 56.3%	125	7,907	R+14.2
O'Brien	4,267 54.0%	3,554 44.9%	86	7,907	D+9.0
Cedar	3,918 49.6%	3,829 48.5%	149	7,896	D+1.1
Hamilton	4,414 56.4%	3,283 42.0%	126	7,823	D+14.5
Guthrie	3,164 42.0%	4,235 56.2%	137	7,536	R+14.2
Jefferson	3,305 44.0%	4,054 53.9%	157	7,516	R+10.0
Chickasaw	3,869 52.2%	3,377 45.5%	169	7,415	D+6.6
Sac	3,613 48.8%	3,707 50.0%	89	7,409	R+1.3
Fremont	4,023 54.9%	3,294 45.0%	11	7,328	D+9.9
Madison	3,141 43.0%	4,134 56.6%	23	7,298	R+13.6
Taylor	3,064 42.2%	4,162 57.3%	39	7,265	R+15.1
Wayne	3,543 48.9%	3,675 50.7%	34	7,252	R+1.8
Iowa	3,525 49.0%	3,311 46.0%	365	7,201	D+3.0
Clay	4,015 55.9%	3,047 42.4%	116	7,178	D+13.5
Decatur	3,777 52.7%	3,353 46.8%	36	7,166	D+5.9
Butler	3,301 47.1%	3,598 51.4%	105	7,004	R+4.2
Cherokee	3,670 52.7%	3,167 45.4%	132	6,969	D+7.2
Greene	3,261 47.2%	3,410 49.3%	244	6,915	R+2.2
Monroe	3,751 54.3%	3,012 43.6%	150	6,913	D+10.7
Calhoun	3,619 52.5%	2,990 43.3%	289	6,898	D+9.1
Lucas	3,242 47.5%	3,463 50.8%	116	6,821	R+3.2
Mills	3,380 50.0%	3,363 49.7%	22	6,765	D+0.3
Howard	3,436 50.9%	3,118 46.2%	191	6,745	D+4.7
Palo Alto	3,869 57.4%	2,751 40.8%	121	6,741	D+16.6
Adair	2,884 45.4%	3,429 54.0%	35	6,348	R+8.6
Van Buren	2,595 42.4%	3,474 56.8%	46	6,115	R+14.4
Grundy	3,289 54.1%	2,707 44.6%	80	6,076	D+9.6
Hancock	3,301 54.5%	2,651 43.8%	102	6,054	D+10.7
Mitchell	3,037 50.2%	2,839 47.0%	169	6,045	D+3.3
Pocahontas	3,435 56.9%	2,330 38.6%	267	6,032	D+18.3
Franklin	3,266 54.4%	2,472 41.1%	271	6,009	D+13.2
Davis	3,161 52.7%	2,820 47.0%	20	6,001	D+5.7
Ringgold	2,268 40.2%	3,325 58.9%	50	5,643	R+18.7
Lyon	3,090 55.7%	2,367 42.7%	91	5,548	D+13.0
Audubon	2,996 54.3%	2,440 44.3%	77	5,513	D+10.1
Dickinson	2,864 53.2%	2,443 45.4%	77	5,384	D+7.8
Humboldt	2,837 53.8%	2,338 44.3%	99	5,274	D+9.5
Emmet	2,748 52.2%	2,427 46.1%	90	5,265	D+6.1
Louisa	2,511 48.1%	2,647 50.7%	60	5,218	R+2.6
Winnebago	2,471 47.4%	2,516 48.2%	231	5,218	R+0.9
Clarke	2,326 46.4%	2,651 52.9%	37	5,014	R+6.5
Adams	1,956 39.0%	3,013 60.1%	44	5,013	R+21.1
Ida	2,992 60.6%	1,899 38.4%	48	4,939	D+22.1
Worth	2,447 53.6%	2,059 45.1%	56	4,562	D+8.5
Osceola	2,351 57.3%	1,686 41.1%	69	4,106	D+16.2

Counties as they stood in 1936; 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

Year	Winner	Margin
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