Iowa 1940 Presidential Election

Democratic Candidate vs. Republican Candidate

Republican Candidate won the Iowa 1940 presidential election with 632,370 votes (52.0%), a margin of R+4.4. Iowa's 6 electoral votes went to the Republican ticket.

Statewide Results

47.6%

52.0%

578,802

Democratic Candidate (47.6%)

632,370

Republican Candidate (52.0%)

Total Votes: 1,215,432|Margin: R+4.4

County Results

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County Results (99 counties)

County	Margin	1980 Pres	1984 Pres	Total Votes	Swing
Webster County	D+17.1	R+6.8	D+1.6	18,366	R+2.6%
Pocahontas County	D+15.9	R+21.7	R+2.8	7,121	R+14.6%
Boone County	D+15.6	R+5.0	D+6.0	12,469	R+10.0%
Palo Alto County	D+14.8	R+9.4	D+5.2	7,822	R+11.1%
Wapello County	D+13.5	D+8.2	D+19.4	21,006	R+2.3%
Hamilton County	D+11.5	R+24.2	R+12.3	9,501	R+14.2%
Polk County	D+11.2	R+1.5	D+2.7	93,193	R+2.0%
Johnson County	D+11.1	D+15.1	D+16.3	16,278	R+10.3%
Worth County	D+10.5	R+12.2	D+6.5	5,455	R+9.8%
Audubon County	D+10.3	R+22.4	R+10.8	5,875	R+8.6%
Monroe County	D+9.9	R+3.3	D+9.7	7,336	R+6.3%
Marion County	D+9.0	R+8.7	R+6.9	12,753	R+5.7%
Clay County	D+8.2	R+14.8	R+8.1	8,025	R+17.1%
Kossuth County	D+7.1	R+17.1	R+0.3	12,165	R+30.9%
Calhoun County	D+6.8	R+23.4	R+13.1	8,161	R+12.9%
Humboldt County	D+6.8	R+29.4	R+16.9	6,143	R+13.2%
Monona County	D+6.6	R+30.4	R+11.8	8,990	R+20.9%
Scott County	D+6.3	R+12.2	R+7.7	39,630	R+17.3%
Davis County	D+6.3	R+8.0	D+5.5	6,377	R+4.0%
Decatur County	D+6.0	R+3.5	R+0.1	7,448	R+4.8%
Jasper County	D+5.8	R+6.1	R+3.3	15,421	R+11.2%
Cerro Gordo County	D+5.4	R+8.0	D+1.6	20,612	R+6.4%
Wright County	D+4.6	R+18.1	R+10.4	9,350	R+16.8%
Dickinson County	D+4.3	R+18.9	R+14.5	5,742	R+14.3%
Woodbury County	D+3.4	R+17.6	R+9.6	47,378	R+26.1%
Buena Vista County	D+2.2	R+18.6	R+11.5	9,399	R+20.0%
Carroll County	D+1.4	R+11.6	R+0.6	10,923	R+27.4%
Fremont County	D+1.1	R+36.1	R+30.4	7,764	R+12.1%
Tama County	D+1.1	R+20.8	R+9.1	11,893	R+15.3%
Emmet County	D+0.7	R+15.9	R+3.5	6,197	R+13.4%
Benton County	D+0.6	R+10.4	R+5.4	10,693	R+14.1%
Black Hawk County	D+0.5	R+3.4	R+1.2	34,532	R+9.4%
Dallas County	D+0.5	R+7.6	D+3.8	12,628	R+7.0%
Appanoose County	D+0.3	R+11.5	R+1.8	12,202	R+8.6%
Poweshiek County	D+0.2	R+11.7	R+6.9	9,611	R+7.7%
Howard County	R+0.5	R+13.6	R+11.9	7,405	R+13.4%
Franklin County	R+1.1	R+24.1	R+14.1	7,310	R+23.0%
Hancock County	R+1.6	R+28.9	R+13.9	7,173	R+21.9%
Wayne County	R+1.7	R+14.5	R+3.3	7,401	R+3.9%
Pottawattamie County	R+2.3	R+28.7	R+27.0	31,188	R+16.2%
Dubuque County	R+2.8	D+0.1	D+6.4	28,441	R+32.0%
Osceola County	R+2.9	R+32.3	R+32.9	4,742	R+31.5%
Mahaska County	R+3.1	R+16.2	R+19.2	11,977	R+10.1%
Winnebago County	R+4.0	R+24.7	R+15.0	6,388	R+13.2%
Story County	R+4.7	R+6.2	R+4.0	15,070	R+8.9%
Greene County	R+4.7	R+15.9	D+4.5	7,506	R+12.3%
Chickasaw County	R+5.4	R+13.4	R+6.9	8,423	R+22.2%
Harrison County	R+6.8	R+33.3	R+27.0	11,428	R+14.4%
Winneshiek County	R+6.9	R+19.7	R+17.1	11,637	R+20.2%
O'Brien County	R+7.0	R+35.1	R+33.4	8,931	R+27.8%
Cherokee County	R+7.2	R+18.2	R+9.3	8,332	R+30.4%
Sac County	R+7.4	R+27.9	R+16.3	8,121	R+20.3%
Lee County	R+7.6	R+3.2	D+0.9	19,766	R+11.1%
Lucas County	R+7.7	R+12.3	R+4.1	7,149	R+12.6%
Clarke County	R+8.1	R+18.2	R+5.4	5,510	R+8.9%
Keokuk County	R+8.4	R+12.6	R+4.7	9,988	R+15.2%
Clinton County	R+8.6	R+13.2	R+10.5	22,478	R+18.3%
Hardin County	R+8.8	R+15.8	R+7.4	10,491	R+20.2%
Linn County	R+9.4	R+5.5	R+3.2	43,235	R+10.9%
Shelby County	R+9.5	R+34.8	R+29.2	8,460	R+18.9%
Buchanan County	R+9.5	R+15.2	R+9.1	10,309	R+12.5%
Crawford County	R+12.2	R+29.8	R+14.4	9,449	R+35.4%
Iowa County	R+12.3	R+20.6	R+21.2	8,488	R+22.7%
Jackson County	R+12.4	R+11.0	R+4.4	9,661	R+27.2%
Warren County	R+13.0	R+4.8	R+0.6	8,923	R+5.8%
Mitchell County	R+13.2	R+23.2	R+10.7	6,987	R+26.0%
Marshall County	R+13.3	R+18.3	R+10.2	15,065	R+5.6%
Jones County	R+13.7	R+11.1	R+12.3	9,929	R+23.4%
Mills County	R+15.0	R+45.1	R+46.7	6,749	R+17.6%
Guthrie County	R+15.1	R+24.4	R+5.0	8,255	R+8.4%
Fayette County	R+15.1	R+17.3	R+16.2	14,342	R+25.0%
Ida County	R+15.7	R+36.5	R+25.2	5,487	R+45.0%
Floyd County	R+16.6	R+11.3	R+2.2	10,031	R+16.3%
Washington County	R+16.7	R+14.3	R+19.7	9,721	R+14.0%
Grundy County	R+17.4	R+39.5	R+40.1	6,674	R+36.3%
Adair County	R+17.6	R+29.2	R+13.8	6,648	R+14.8%
Jefferson County	R+17.9	R+20.9	R+22.9	8,336	R+13.5%
Madison County	R+18.2	R+12.9	R+1.6	7,600	R+7.4%
Montgomery County	R+18.4	R+42.3	R+43.2	8,220	R+12.8%
Lyon County	R+18.8	R+47.0	R+49.2	6,540	R+41.1%
Muscatine County	R+18.8	R+14.7	R+20.3	14,421	R+20.8%
Ringgold County	R+19.2	R+22.6	D+2.6	5,894	R+7.5%
Louisa County	R+19.2	R+18.1	R+15.2	5,627	R+22.9%
Taylor County	R+19.5	R+35.3	R+24.8	7,421	R+8.7%
Clayton County	R+19.9	R+19.7	R+18.5	12,434	R+33.9%
Adams County	R+20.7	R+28.1	R+16.4	5,292	R+7.3%
Des Moines County	R+25.0	D+4.0	D+7.7	17,625	R+26.6%
Cedar County	R+25.2	R+23.2	R+19.8	8,840	R+33.7%
Union County	R+25.3	R+19.9	R+10.8	8,668	R+17.1%
Cass County	R+25.7	R+39.6	R+35.0	10,172	R+12.3%
Van Buren County	R+25.8	R+22.6	R+14.1	6,550	R+14.4%
Bremer County	R+26.7	R+28.1	R+25.4	8,495	R+48.4%
Butler County	R+27.4	R+38.2	R+32.5	7,628	R+29.8%
Allamakee County	R+28.3	R+27.8	R+27.0	9,122	R+31.4%
Page County	R+28.6	R+49.2	R+50.6	11,566	R+11.1%
Sioux County	R+29.3	R+57.0	R+63.5	11,750	R+38.8%
Plymouth County	R+33.6	R+34.3	R+30.1	11,579	R+49.9%
Delaware County	R+34.8	R+21.1	R+20.1	9,176	R+33.3%
Henry County	R+34.9	R+13.2	R+14.3	8,749	R+23.6%

All Iowa Elections 1940 National Results Iowa Profile

Statewide Results

County Results

County Results (99 counties)

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