Franklin D. Roosevelt carried California D+16.1.

Franklin D. Roosevelt (D) vs Wendell Willkie (R) in California, 1940. The state ran 6.2 points more Democratic than the nation (D+9.9 nationally).

Nominees: Franklin D. Roosevelt (D) · Wendell Willkie (R)

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California result

3,268,791 votes counted

Roosevelt (D)

1,877,618

57.4%

Willkie (R)

1,351,419

41.3%

All others

39,754

1.2%

Margin

D+16.1

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1940 presidential election

California, 1940

RooseveltD+16.1

How it voted

Share of the 1940 vote

Franklin D. Roosevelt ✓Democratic	57.4%	1,877,618
Wendell WillkieRepublican	41.3%	1,351,419
OtherAll other candidates	1.2%	39,754

D+60

R+60

58 counties, each filled by 1940 D-vs-R margin. Hover any county for its result.

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California's presidential margins

1876–2024, the 1940 contest in context

California's presidential margins

Year	Margin (D minus R)
1876	−1.8%
1880	+0.1%
1884	−6.7%
1888	−2.8%
1892	+1.2%
1896	−0.6%
1900	−13.1%
1904	−34.9%
1908	−22.5%
1912	+41.8%
1916	+0.4%
1920	−41.9%
1924	−49.0%
1928	−30.5%
1932	+21.0%
1936	+35.3%
1940	+16.1%
1944	+13.5%
1948	+0.4%
1952	−13.6%
1956	−11.1%
1960	−0.5%
1964	+18.3%
1968	−3.1%
1972	−13.5%
1976	−1.8%
1980	−16.8%
1984	−16.2%
1988	−3.6%
1992	+13.4%
1996	+12.9%
2000	+11.8%
2004	+9.9%
2008	+24.0%
2012	+23.1%
2016	+30.0%
2020	+29.1%
2024	+20.1%

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County results — 1940

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

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County	Won	Margin	Democratic	Republican	Total
Alameda County	D	+11.6%	148,224	116,961	268,496
Alpine County	R	−33.5%	62	125	188
Amador County	D	+33.3%	2,762	1,372	4,176
Butte County	D	+17.7%	10,684	7,433	18,372
Calaveras County	D	+18.5%	2,405	1,649	4,083
Colusa County	D	+19.7%	2,655	1,774	4,464
Contra Costa County	D	+24.5%	30,900	18,627	50,040
Del Norte County	R	−8.6%	1,034	1,233	2,302
El Dorado County	D	+34.1%	4,144	2,019	6,237
Fresno County	D	+39.3%	48,866	21,079	70,750
Glenn County	D	+11.0%	3,095	2,473	5,631
Humboldt County	D	+13.0%	12,329	9,470	22,024
Imperial County	D	+5.9%	7,728	6,854	14,712
Inyo County	D	+10.1%	1,820	1,483	3,330
Kern County	D	+24.5%	32,202	19,445	52,126
Kings County	D	+35.7%	8,307	3,911	12,320
Lake County	R	−7.7%	1,897	2,215	4,151
Lassen County	D	+39.0%	4,367	1,902	6,313
Los Angeles County	D	+17.6%	822,718	574,266	1,415,269
Madera County	D	+36.4%	5,749	2,653	8,503
Marin County	D	+1.7%	11,365	10,974	22,640
Mariposa County	D	+30.0%	1,935	1,035	3,003
Mendocino County	D	+13.6%	7,055	5,345	12,569
Merced County	D	+26.2%	10,501	6,101	16,784
Modoc County	D	+23.7%	2,232	1,371	3,630
Mono County	D	+6.4%	523	459	995
Monterey County	D	+11.0%	14,758	11,810	26,833
Napa County	D	+6.6%	6,771	5,924	12,853
Nevada County	D	+33.3%	5,782	2,863	8,759
Orange County	R	−12.1%	28,236	36,070	64,997
Placer County	D	+36.3%	8,402	3,887	12,436
Plumas County	D	+45.3%	3,418	1,270	4,740
Riverside County	R	−4.2%	20,003	21,779	42,380
Sacramento County	D	+37.3%	51,351	23,201	75,416
San Benito County	D	+0.7%	2,441	2,407	4,883
San Bernardino County	D	+10.2%	37,520	30,511	68,878
San Diego County	D	+12.3%	71,188	55,434	128,110
San Francisco County	D	+20.3%	185,607	122,449	311,878
San Joaquin County	D	+6.2%	26,536	23,403	50,498
San Luis Obispo County	D	+8.1%	8,499	7,204	15,920
San Mateo County	D	+5.8%	29,831	26,539	56,951
Santa Barbara County	D	+9.9%	17,237	14,107	31,678
Santa Clara County	D	+0.4%	40,449	40,100	81,496
Santa Cruz County	R	−3.4%	10,683	11,453	22,486
Shasta County	D	+37.3%	8,662	3,909	12,733
Sierra County	D	+34.6%	1,057	511	1,578
Siskiyou County	D	+27.2%	7,714	4,387	12,212
Solano County	D	+42.1%	15,054	6,081	21,328
Sonoma County	R	−4.9%	15,230	16,819	32,379
Stanislaus County	D	+5.3%	16,494	14,803	31,746
Sutter County	D	+15.1%	4,195	3,089	7,345
Tehama County	D	+10.6%	3,618	2,913	6,628
Trinity County	D	+29.0%	1,431	780	2,242
Tulare County	D	+13.1%	20,129	15,414	35,971
Tuolumne County	D	+27.3%	3,541	2,004	5,624
Ventura County	D	+14.9%	15,182	11,225	26,634
Yolo County	D	+18.5%	6,380	4,373	10,854
Yuba County	D	+30.3%	4,660	2,471	7,217