Lyndon B. Johnson carried Iowa D+24.0.

Lyndon B. Johnson (D) vs Barry Goldwater (R) in Iowa, 1964. The state ran 1.4 points more Democratic than the nation (D+22.6 nationally).

Nominees: Lyndon B. Johnson (D) · Barry Goldwater (R)

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Iowa result

1,184,539 votes counted

Johnson (D)

733,030

61.9%

Goldwater (R)

449,148

37.9%

All others

2,361

0.2%

Margin

D+24.0

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1964 presidential election

Iowa, 1964

JohnsonD+24.0

How it voted

Share of the 1964 vote

Lyndon B. Johnson ✓Democratic	61.9%	733,030
Barry GoldwaterRepublican	37.9%	449,148
OtherAll other candidates	0.2%	2,361

D+60

R+60

99 counties, each filled by 1964 D-vs-R margin. Hover any county for its result.

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Iowa's presidential margins

1892–2024, the 1964 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 — 1964

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

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County	Won	Margin	Democratic	Republican	Total
Adair County	D	+18.7%	2,851	1,953	4,812
Adams County	D	+19.0%	1,941	1,321	3,263
Allamakee County	R	−2.6%	3,504	3,691	7,200
Appanoose County	D	+26.6%	4,960	2,872	7,856
Audubon County	D	+23.3%	3,011	1,871	4,885
Benton County	D	+31.3%	6,614	3,453	10,084
Black Hawk County	D	+21.7%	30,716	19,744	50,516
Boone County	D	+36.7%	7,699	3,543	11,335
Bremer County	D	+13.0%	5,045	3,880	8,939
Buchanan County	D	+27.6%	5,621	3,187	8,823
Buena Vista County	D	+16.6%	5,245	3,747	8,997
Butler County	R	−1.3%	3,370	3,462	6,832
Calhoun County	D	+29.0%	4,407	2,422	6,837
Carroll County	D	+53.1%	7,807	2,387	10,207
Cass County	R	−2.1%	4,006	4,182	8,198
Cedar County	D	+19.5%	4,617	3,106	7,735
Cerro Gordo County	D	+25.0%	13,156	7,884	21,071
Cherokee County	D	+15.4%	4,336	3,180	7,525
Chickasaw County	D	+26.6%	4,545	2,632	7,182
Clarke County	D	+26.4%	2,659	1,546	4,212
Clay County	D	+21.1%	4,631	2,999	7,749
Clayton County	D	+17.8%	5,624	3,923	9,550
Clinton County	D	+26.8%	14,267	8,219	22,533
Crawford County	D	+25.2%	5,024	2,999	8,037
Dallas County	D	+32.7%	7,447	3,763	11,262
Davis County	D	+35.0%	2,966	1,424	4,402
Decatur County	D	+36.6%	3,331	1,542	4,885
Delaware County	D	+14.8%	4,623	3,427	8,065
Des Moines County	D	+40.8%	13,894	5,830	19,762
Dickinson County	D	+17.6%	3,490	2,443	5,938
Dubuque County	D	+40.2%	23,695	10,104	33,823
Emmet County	D	+14.4%	3,487	2,611	6,103
Fayette County	D	+10.7%	6,900	5,567	12,482
Floyd County	D	+17.6%	5,317	3,721	9,043
Franklin County	D	+18.6%	3,582	2,452	6,061
Fremont County	D	+13.8%	2,703	2,044	4,761
Greene County	D	+28.2%	3,828	2,141	5,986
Grundy County	D	+5.4%	3,582	3,215	6,808
Guthrie County	D	+29.2%	3,962	2,169	6,146
Hamilton County	D	+24.8%	5,195	3,127	8,332
Hancock County	D	+25.9%	3,857	2,269	6,133
Hardin County	D	+17.5%	5,459	3,828	9,304
Harrison County	D	+17.6%	4,575	3,203	7,787
Henry County	D	+13.0%	4,223	3,247	7,482
Howard County	D	+23.8%	3,841	2,360	6,211
Humboldt County	D	+20.0%	3,376	2,250	5,630
Ida County	D	+19.0%	2,905	1,977	4,884
Iowa County	D	+20.2%	4,261	2,828	7,102
Jackson County	D	+25.2%	5,130	3,066	8,205
Jasper County	D	+31.5%	10,216	5,321	15,561
Jefferson County	D	+20.0%	4,135	2,755	6,916
Johnson County	D	+36.3%	14,717	6,860	21,618
Jones County	D	+27.2%	5,511	3,154	8,672
Keokuk County	D	+29.6%	4,790	2,597	7,404
Kossuth County	D	+29.2%	6,893	3,776	10,674
Lee County	D	+31.9%	12,244	6,321	18,582
Linn County	D	+29.4%	40,106	21,845	62,029
Louisa County	D	+17.4%	2,624	1,845	4,481
Lucas County	D	+26.1%	3,310	1,935	5,260
Lyon County	R	−7.4%	2,747	3,185	5,935
Madison County	D	+21.9%	3,518	2,250	5,780
Mahaska County	D	+25.6%	6,396	3,787	10,205
Marion County	D	+33.8%	7,911	3,903	11,842
Marshall County	D	+21.6%	9,815	6,323	16,176
Mills County	D	+0.8%	2,463	2,424	4,889
Mitchell County	D	+21.6%	3,868	2,489	6,373
Monona County	D	+28.5%	3,971	2,208	6,187
Monroe County	D	+33.4%	3,186	1,588	4,791
Montgomery County	D	+5.9%	3,489	3,101	6,601
Muscatine County	D	+18.2%	8,020	5,547	13,577
O'Brien County	R	−0.5%	4,295	4,336	8,637
Osceola County	D	+16.3%	2,498	1,798	4,301
Page County	R	−4.1%	4,402	4,775	9,209
Palo Alto County	D	+33.6%	4,441	2,206	6,647
Plymouth County	D	+7.3%	5,691	4,920	10,613
Pocahontas County	D	+31.4%	3,988	2,079	6,072
Polk County	D	+33.0%	74,194	37,280	111,953
Pottawattamie County	D	+10.6%	17,569	14,208	31,799
Poweshiek County	D	+25.2%	5,213	3,109	8,334
Ringgold County	D	+17.9%	2,260	1,571	3,840
Sac County	D	+19.5%	4,358	2,937	7,302
Scott County	D	+23.6%	31,526	19,488	51,098
Shelby County	D	+17.1%	4,148	2,928	7,137
Sioux County	R	−31.2%	4,233	8,078	12,323
Story County	D	+20.1%	12,329	8,188	20,610
Tama County	D	+26.2%	6,057	3,543	9,608
Taylor County	D	+12.5%	2,780	2,162	4,942
Union County	D	+19.9%	3,751	2,502	6,263
Van Buren County	D	+20.1%	2,555	1,700	4,257
Wapello County	D	+43.2%	13,971	5,524	19,546
Warren County	D	+28.6%	6,639	3,679	10,351
Washington County	D	+16.1%	4,587	3,315	7,919
Wayne County	D	+21.1%	3,062	1,994	5,062
Webster County	D	+32.7%	13,005	6,576	19,635
Winnebago County	D	+22.4%	3,677	2,331	6,017
Winneshiek County	D	+19.2%	5,811	3,941	9,759
Woodbury County	D	+21.5%	26,841	17,347	44,218
Worth County	D	+24.5%	2,936	1,777	4,723
Wright County	D	+27.7%	4,998	2,831	7,836