Dwight D. Eisenhower carried Iowa R+18.4.

Adlai Stevenson (D) vs Dwight D. Eisenhower (R) in Iowa, 1956. The state ran 3.0 points more Republican than the nation (R+15.4 nationally).

Nominees: Adlai Stevenson (D) · Dwight D. Eisenhower (R)

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Iowa result

1,234,564 votes counted

Stevenson (D)

501,858

40.7%

Eisenhower (R)

729,187

59.1%

All others

3,519

0.3%

Margin

R+18.4

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1956 presidential election

Iowa, 1956

EisenhowerR+18.4

How it voted

Share of the 1956 vote

Dwight D. Eisenhower ✓Republican	59.1%	729,187
Adlai StevensonDemocratic	40.7%	501,858
OtherAll other candidates	0.3%	3,519

D+60

R+60

99 counties, each filled by 1956 D-vs-R margin. Hover any county for its result.

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Iowa's presidential margins

1892–2024, the 1956 contest in context

Iowa's presidential margins

Year	Margin (D minus R)
1892	−5.3%
1896	−12.6%
1900	−18.6%
1904	−32.7%
1908	−15.0%
1912	+13.3%
1916	−11.4%
1920	−45.5%
1924	−38.6%
1928	−24.2%
1932	+17.7%
1936	+11.7%
1940	−4.4%
1944	−4.5%
1948	+2.7%
1952	−28.2%
1956	−18.4%
1960	−13.5%
1964	+24.0%
1968	−12.2%
1972	−17.1%
1976	−1.0%
1980	−12.7%
1984	−7.4%
1988	+10.2%
1992	+6.0%
1996	+10.3%
2000	+0.3%
2004	−0.7%
2008	+9.5%
2012	+5.8%
2016	−9.3%
2020	−8.2%
2024	−13.2%

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County results — 1956

99 counties; every row links to the county's full page.

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County	Won	Margin	Democratic	Republican	Total
Adair County	R	−18.4%	2,362	3,426	5,791
Adams County	R	−12.2%	1,756	2,248	4,020
Allamakee County	R	−32.7%	2,622	5,182	7,824
Appanoose County	R	−10.1%	4,064	4,980	9,054
Audubon County	R	−8.4%	2,585	3,057	5,644
Benton County	R	−16.9%	3,946	5,634	10,006
Black Hawk County	R	−16.1%	20,403	28,250	48,719
Boone County	R	−7.4%	5,815	6,740	12,564
Bremer County	R	−34.4%	2,892	5,930	8,831
Buchanan County	R	−22.1%	3,513	5,512	9,035
Buena Vista County	R	−22.6%	4,083	6,470	10,563
Butler County	R	−42.5%	2,289	5,669	7,961
Calhoun County	R	−18.7%	2,972	4,409	7,669
Carroll County	R	−6.7%	5,085	5,816	10,913
Cass County	R	−36.8%	2,818	6,103	8,930
Cedar County	R	−29.5%	2,912	5,344	8,258
Cerro Gordo County	R	−14.1%	9,362	12,449	21,841
Cherokee County	R	−19.4%	3,254	4,821	8,079
Chickasaw County	R	−12.4%	3,275	4,205	7,495
Clarke County	R	−12.1%	1,929	2,462	4,397
Clay County	R	−26.1%	2,970	5,107	8,190
Clayton County	R	−19.6%	4,384	6,529	10,926
Clinton County	R	−27.5%	8,394	14,765	23,208
Crawford County	R	−10.3%	3,749	4,608	8,374
Dallas County	R	−12.1%	5,185	6,619	11,806
Davis County	R	−4.0%	2,458	2,661	5,129
Decatur County	R	−1.9%	2,806	2,912	5,725
Delaware County	R	−37.2%	2,621	5,732	8,369
Des Moines County	R	−11.9%	8,781	11,152	19,958
Dickinson County	R	−18.6%	2,498	3,641	6,157
Dubuque County	R	−15.2%	13,174	17,923	31,247
Emmet County	R	−27.4%	2,386	4,193	6,584
Fayette County	R	−23.2%	4,935	7,914	12,866
Floyd County	R	−24.5%	3,739	6,172	9,927
Franklin County	R	−28.9%	2,513	4,563	7,084
Fremont County	R	−17.9%	2,254	3,241	5,511
Greene County	R	−20.3%	2,802	4,255	7,162
Grundy County	R	−44.0%	1,908	4,915	6,827
Guthrie County	R	−17.9%	2,981	4,283	7,270
Hamilton County	R	−19.3%	3,829	5,667	9,514
Hancock County	R	−21.1%	2,803	4,305	7,114
Hardin County	R	−27.5%	3,775	6,642	10,432
Harrison County	R	−16.8%	3,709	5,209	8,935
Henry County	R	−37.1%	2,667	5,818	8,495
Howard County	R	−5.8%	3,106	3,491	6,605
Humboldt County	R	−15.2%	2,756	3,747	6,507
Ida County	R	−21.5%	2,083	3,226	5,310
Iowa County	R	−27.3%	2,753	4,875	7,777
Jackson County	R	−26.9%	3,181	5,575	8,905
Jasper County	R	−13.5%	7,098	9,310	16,428
Jefferson County	R	−25.6%	2,845	4,807	7,659
Johnson County	R	−12.6%	8,767	11,298	20,076
Jones County	R	−25.1%	3,352	5,605	8,967
Keokuk County	R	−12.4%	3,649	4,680	8,338
Kossuth County	R	−9.6%	5,514	6,680	12,204
Lee County	R	−16.9%	8,226	11,571	19,829
Linn County	R	−21.3%	21,667	33,402	55,116
Louisa County	R	−26.3%	1,858	3,184	5,048
Lucas County	R	−16.6%	2,431	3,397	5,832
Lyon County	R	−41.7%	1,790	4,356	6,150
Madison County	R	−18.8%	2,652	3,883	6,544
Mahaska County	R	−26.3%	3,965	6,864	11,034
Marion County	R	−12.4%	5,316	6,830	12,168
Marshall County	R	−27.7%	5,755	10,305	16,425
Mills County	R	−30.1%	1,897	3,539	5,454
Mitchell County	R	−22.7%	2,630	4,175	6,812
Monona County	R	−5.1%	3,477	3,854	7,345
Monroe County	R	−6.6%	2,616	2,984	5,612
Montgomery County	R	−31.8%	2,597	5,027	7,643
Muscatine County	R	−19.8%	5,718	8,552	14,298
O'Brien County	R	−34.7%	2,970	6,138	9,118
Osceola County	R	−25.3%	1,779	2,986	4,772
Page County	R	−42.1%	3,001	7,380	10,397
Palo Alto County	R	−2.3%	3,624	3,795	7,421
Plymouth County	R	−34.8%	3,502	7,246	10,748
Pocahontas County	R	−5.9%	3,201	3,606	6,818
Polk County	R	−8.1%	53,025	62,392	115,491
Pottawattamie County	R	−16.1%	12,731	17,632	30,468
Poweshiek County	R	−17.6%	3,602	5,145	8,749
Ringgold County	R	−20.9%	1,775	2,713	4,490
Sac County	R	−20.0%	3,248	4,874	8,125
Scott County	R	−19.1%	18,969	27,965	47,104
Shelby County	R	−14.4%	3,300	4,425	7,793
Sioux County	R	−56.7%	2,666	9,651	12,328
Story County	R	−35.2%	6,352	13,264	19,640
Tama County	R	−10.7%	4,795	5,952	10,773
Taylor County	R	−18.4%	2,436	3,533	5,978
Union County	R	−24.5%	2,828	4,666	7,501
Van Buren County	R	−27.6%	1,833	3,233	5,068
Wapello County	D	+2.6%	10,960	10,401	21,381
Warren County	R	−18.5%	3,729	5,430	9,174
Washington County	R	−31.8%	3,022	5,844	8,876
Wayne County	R	−13.3%	2,553	3,340	5,897
Webster County	R	−5.7%	9,901	11,097	21,049
Winnebago County	R	−21.8%	2,521	3,926	6,453
Winneshiek County	R	−18.6%	4,251	6,192	10,460
Woodbury County	R	−11.9%	19,997	25,399	45,445
Worth County	R	−4.5%	2,465	2,700	5,167
Wright County	R	−17.5%	3,865	5,512	9,390