San Bernardino County, California

2024 results by precinct

1,509 precincts · 761,714 votes cast

Trump · R+2

Harris +50

Trump +50

Real precinct boundaries. Hover for vote totals.

38 presidential elections

Year	Won	Margin	Democratic	Republican	Total
2024	R	−2.1%	362,114	378,416	761,714
2020	D	+10.7%	455,859	366,257	841,130
2016	D	+10.6%	340,833	271,240	653,983
2012	D	+7.3%	305,109	262,358	582,930
2008	D	+6.3%	315,720	277,408	606,334
2004	R	−11.8%	227,789	289,306	523,276
2000	R	−1.5%	214,749	221,757	454,893
1996	D	+0.8%	183,372	180,135	413,355
1992	D	+1.5%	183,634	176,563	474,070
1988	R	−21.4%	151,118	235,167	392,008
1984	R	−30.8%	116,454	222,071	342,705
1980	R	−28.0%	91,790	172,957	289,812
1976	R	−1.6%	109,636	113,265	228,885
1972	R	−24.2%	85,986	144,689	242,256
1968	R	−10.1%	89,418	111,974	223,616
1964	D	+14.3%	123,012	92,145	215,400
1960	R	−4.5%	90,888	99,481	191,313
1956	R	−14.1%	64,946	86,263	151,652
1952	R	−14.9%	54,615	73,921	129,631
1948	R	−0.9%	45,691	46,570	95,838
1944	D	+6.1%	38,530	34,084	73,260
1940	D	+10.2%	37,520	30,511	68,878
1936	D	+20.6%	33,955	22,219	57,016
1932	D	+5.6%	24,889	22,094	49,548
1928	R	−50.6%	9,436	29,229	39,112
1924	R	−47.5%	2,634	15,974	28,061
1920	R	−34.6%	5,620	12,518	19,921
1916	R	−10.8%	9,398	11,932	23,545
1912	D	+38.0%	5,835	0	15,343
1908	R	−22.9%	2,685	4,729	8,940
1904	R	−34.6%	1,573	3,884	6,670
1900	R	−13.1%	2,347	3,135	6,011
1896	R	−1.3%	2,740	2,818	5,805
1892	R	−15.1%	2,546	3,686	7,567
1888	R	−11.7%	2,388	3,059	5,718
1884	R	−11.1%	1,288	1,617	2,974
1880	R	−1.3%	711	730	1,487
1876	R	−5.2%	607	674	1,300

Demographics

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

American

100.0%

African American

6.2%

Multiple ancestry combinations reported; no single grouping above 1%.

American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.

Source · American Community Survey 5-year estimates, 2024 release. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.

Age distribution by sex

Median age: 34.7 in this county, 39.1 nationally

Male

Age

Female

0.5%

85+

0.8%

1.5%

75–84

1.9%

3.7%

65–74

4.2%

5.5%

55–64

5.7%

5.9%

45–54

6.0%

7.0%

35–44

6.8%

7.7%

25–34

7.4%

5.2%

18–24

4.6%

9.8%

5–17

9.4%

3.2%

3.1%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$85,478

San Bernardino County ranks in the top 25% of US counties.

San Bernardino County$85,478

California$99,122

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

13.3%

Children face moderate poverty.

Children under 1818.0%

Working age (18–64)100.0%

Seniors (65+)18.0%

Source · American Community Survey 5-year estimates, 2024 release.

Language at home

Population aged 5 and older

0.0%

speak English only

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

23.2%

Other Christian

11.2%

Baptist

3.1%

Non-Christian

2.2%

Pentecostal & Holiness

1.8%

Mainline Protestant

0.7%

Methodist

0.4%

Source · 2020 US Religion Census. Remaining 57.4% of residents not counted as adherents by any reporting body.

San Bernardino County spans 20,000 square miles from Inland Empire suburbs to Mojave Desert communities, a geographic breadth that mirrors its political diversity and has pushed its presidential margins rightward by roughly 20 points over the past decade.

The county's recent history is a story of close margins. The Democratic margin reached thirty-eight points in 1912; the Republican margin reached fifty-one points in 1928. Most other elections have been decided by single-digit points.

San Bernardino County's demographics — a population of 2,197,104, a 33% non-Hispanic-white share, a median household income of $85,478 — situate the county close to national averages on several dimensions. The county's voting pattern over the last decade is most similar to that of Hillsborough County and Riverside County.

Most similar counties

San Bernardino County delivered a near-tie in 2024.