San Bernardino County, CA

CA · Presidential Elections 1876–2024

R+2.1
2024 Margin
R+12.8%
2020→2024 Swing
R since 2024
Voting Streak
2.2M
Population

San Bernardino County, CA (California) voted R+2.1 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 378,416 votes (49.68%) to 362,114 (47.54%) for Harris.

This represents a R+12.8% swing toward Republicans compared to 2020. San Bernardino County is classified as a competitive Republican county. San Bernardino County has voted Republican in every presidential election since 2024. The county has a population of approximately 2,197,104.

Quick Stats

2024 ResultR+2.1
2020→2024 SwingR+12.8%
Voting StreakR since 2024
Elections on Record38

Demographics

Population2,197,104
Median Age
34.7(US: 38.7)
College (BA+)
23.3%(US: 35.2%)
Median Income
$85,478(US: $80k)
White (non-Hisp)
25.6%(US: 57.6%)
Hispanic
55.2%(US: 19.1%)
Black
8.5%(US: 12.2%)
Asian
7.8%(US: 5.7%)
Homeownership
62.1%(US: 64.5%)
Poverty Rate
13.3%(US: 12.3%)
Veterans
4.7%(US: 6.2%)
Non-English (CVAP)
37.6%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Catholic
22.9%
Evangelical
11.0%(Below Average)
LDS/Mormon
2.4%
Black Protestant
1.5%
Mainline Protestant
0.6%

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

Mexican
46.8%Major Concentration(4.2x)
German
5.4%
Irish
4.4%
English
4.3%
American Heritage
2.6%
Italian
2.3%
+ 1 more reported ancestry groups

Age Distribution

Median:34.7 yrs(US: 38.5)
Under 18
25.5%↑
18-29
9.8%↓
30-44
22.1%↑
45-64
30.0%↑
65+
12.6%↓
National average

Employment by Industry

Census ACS
Retail Trade
12.3%(1.2x US)
Professional & Technical
9.7%(0.8x US)
Educational Services
8.8%
Construction
8.1%(1.2x US)
Manufacturing
7.6%(0.8x US)
Healthcare & Social Services
4.9%
National average
+ 1 more sectors

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202447.5%(362,114)49.7%(378,416)R+2.1R+12.8
202054.2%(455,859)43.5%(366,257)D+10.7D+0.0
201652.1%(340,833)41.5%(271,240)D+10.6D+3.3
201252.3%(305,109)45.0%(262,358)D+7.3D+1.0
200852.1%(315,720)45.8%(277,408)D+6.3D+18.1
200443.5%(227,789)55.3%(289,306)R+11.8R+10.2
200047.2%(214,749)48.8%(221,757)R+1.5R+2.3
199644.4%(183,372)43.6%(180,135)D+0.8R+0.7
199238.7%(183,634)37.2%(176,563)D+1.5D+22.9
198838.5%(151,118)60.0%(235,167)R+21.4D+9.4

Source: Official state election returns via MIT Election Data + Science Lab

Presidential Margin Trend

San Bernardino County, CA • 1876–2024

D+R++60+40+200-20-40-601876188418921900190819161924193219401948195619641972198019881996200420122020
Democratic margin
Republican margin

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202448.1%(355,667)51.9%(384,091)R+3.8R+100.5
201896.6%(450,796)0.0%(0)D+96.6D+13.4
201683.3%(459,676)0.0%(0)D+83.3D+75.2
201254.0%(298,067)46.0%(253,433)D+8.1D+3.9
200649.4%(167,821)45.2%(153,430)D+4.2R+1.5
200049.1%(200,558)43.4%(177,158)D+5.7D+28.3
199433.3%(114,027)56.0%(191,343)R+22.6R+21.3
199244.4%(200,979)45.7%(206,969)R+1.3D+21.2
198837.0%(143,465)59.4%(230,772)R+22.5R+6.3
198240.1%(106,951)56.2%(150,054)R+16.1R+15.9

Source: Official state election returns via MIT Election Data + Science Lab

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202247.4%(215,391)52.6%(239,109)R+5.2R+8.3
201851.5%(276,874)48.5%(260,379)D+3.1D+9.4
201446.9%(134,417)53.1%(152,458)R+6.3R+5.2
201045.4%(197,578)46.5%(202,217)R+1.1D+27.3
200633.2%(114,388)61.6%(212,200)R+28.4R+19.3
200241.2%(116,757)50.3%(142,513)R+9.1R+18.3
199852.6%(174,629)43.4%(144,056)D+9.2D+39.2
199432.3%(112,636)62.3%(217,085)R+30.0R+12.0
199038.0%(114,764)56.0%(169,028)R+18.0D+11.5
198634.3%(89,584)63.8%(166,483)R+29.5R+20.2

Source: Official state election returns via MIT Election Data + Science Lab

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