Fairfax County, VA

VA · Presidential Elections 1892–2024

D+34.7
2024 Margin
R+7.2%
2020→2024 Swing
D since 2004
Voting Streak
1.1M
Population

Fairfax County, VA (Virginia) voted D+34.7 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 386,438 votes (65.56%) to 181,895 (30.86%) for Trump.

This represents a R+7.2% swing toward Republicans compared to 2020. Fairfax County is classified as a deep Democratic county. Fairfax County has voted Democratic in every presidential election since 2004. The county has a population of approximately 1,147,837.

Quick Stats

2024 ResultD+34.7
2020→2024 SwingR+7.2%
Voting StreakD since 2004
Elections on Record34

Demographics

Population1,147,837
Median Age
39.1(US: 38.7)
College (BA+)
65.0%(US: 35.2%)
Median Income
$153,637(US: $80k)
White (non-Hisp)
47.5%(US: 57.6%)
Hispanic
17.6%(US: 19.1%)
Black
9.6%(US: 12.2%)
Asian
20.2%(US: 5.7%)
Homeownership
68.6%(US: 64.5%)
Poverty Rate
5.9%(US: 12.3%)
Veterans
7.5%(US: 6.2%)
Non-English (CVAP)
31.4%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Catholic
17.0%
Evangelical
12.9%
Mainline Protestant
6.9%
LDS/Mormon
1.6%
Black Protestant
0.2%

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

English
10.2%
German
10.1%
Irish
9.5%
Italian
4.5%
Sub-Saharan African
3.5%Significant Hub(2.9x)
American Heritage
3.3%
+ 5 more reported ancestry groups

Age Distribution

Median:39.1 yrs(US: 38.5)
Under 18
22.9%
18-29
8.3%↓
30-44
20.2%
45-64
33.7%↑
65+
15.0%↓
National average

Employment by Industry

Census ACS
Professional & TechnicalMajor Specialization
27.2%(2.3x US)
Educational Services
7.3%(0.9x US)
Retail Trade
7.2%(0.7x US)
Healthcare & Social Services
6.1%(1.3x US)
Construction
5.1%(0.8x US)
Manufacturing
3.0%(0.3x US)
National average

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202465.6%(386,438)30.9%(181,895)D+34.7R+7.2
202069.9%(419,943)28.0%(168,401)D+41.9D+6.0
201664.4%(355,133)28.6%(157,710)D+35.8D+15.3
201259.6%(315,273)39.1%(206,773)D+20.5R+0.7
200860.1%(310,359)38.9%(200,994)D+21.2D+13.9
200453.3%(245,671)45.9%(211,980)D+7.3D+8.7
200047.5%(196,501)48.9%(202,181)R+1.4D+0.2
199646.6%(170,150)48.2%(176,033)R+1.6D+1.1
199241.6%(160,186)44.3%(170,488)R+2.7D+20.1
198838.3%(125,711)61.1%(200,641)R+22.8D+3.2

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

Presidential Margin Trend

Fairfax County, VA • 1892–2024

D+R++60+40+200-20-40-6018921900190819161924193219401948195619641972198019881996200420122020
Democratic margin
Republican margin

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202467.7%(393,906)32.0%(186,266)D+35.7R+4.2
202069.9%(415,791)30.0%(178,395)D+39.9R+4.1
201870.9%(340,740)26.9%(129,095)D+44.0D+26.5
201457.7%(176,418)40.2%(122,857)D+17.5R+5.1
201261.2%(319,748)38.6%(201,414)D+22.7R+14.4
200867.9%(345,978)30.9%(157,286)D+37.0D+18.2
200658.9%(202,036)40.0%(137,313)D+18.9D+100.6
20020.0%(0)81.7%(205,276)R+81.7R+85.8
200052.0%(213,311)48.0%(196,827)D+4.0D+18.7
199642.6%(153,439)57.2%(206,383)R+14.7R+29.9

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

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202573.8%(329,977)25.9%(116,053)D+47.8D+11.1
201767.9%(255,200)31.2%(117,141)D+36.7D+14.5
201358.3%(178,746)36.1%(110,681)D+22.2D+23.8
200949.1%(134,189)50.7%(138,655)R+1.6R+23.8
200560.1%(163,667)38.0%(103,285)D+22.2D+12.6
200154.5%(146,537)44.9%(120,799)D+9.6D+15.4
199746.7%(114,697)52.5%(129,038)R+5.8R+2.3
199348.0%(115,800)51.5%(124,270)R+3.5R+15.5
198955.9%(127,236)43.9%(99,957)D+12.0D+1.3
198555.3%(87,542)44.7%(70,656)D+10.7D+7.1

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

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