Washtenaw County, MI

MI · Presidential Elections 1892–2024

D+44.2
2024 Margin
R+2.4%
2020→2024 Swing
D since 1988
Voting Streak
370K
Population

Washtenaw County, MI (Michigan) voted D+44.2 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 157,152 votes (70.74%) to 58,844 (26.49%) for Trump.

This represents a R+2.4% swing toward Republicans compared to 2020. Washtenaw County is classified as a deep Democratic county. Washtenaw County has voted Democratic in every presidential election since 1988. The county has a population of approximately 369,822.

Quick Stats

2024 ResultD+44.2
2020→2024 SwingR+2.4%
Voting StreakD since 1988
Elections on Record34

Demographics

Population369,822
Median Age
35.0(US: 38.7)
College (BA+)
58.7%(US: 35.2%)
Median Income
$89,180(US: $80k)
White (non-Hisp)
67.9%(US: 57.6%)
Hispanic
5.8%(US: 19.1%)
Black
11.5%(US: 12.2%)
Asian
9.2%(US: 5.7%)
Homeownership
61.6%(US: 64.5%)
Poverty Rate
14.2%(US: 12.3%)
Veterans
4.0%(US: 6.2%)
Non-English (CVAP)
10.4%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Catholic
9.7%(Below Average)
Evangelical
8.1%(Below Average)
Mainline Protestant
5.5%
Black Protestant
2.5%
LDS/Mormon
0.8%
+ 1 more traditions

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

German
17.3%(1.4x)
English
11.5%(1.3x)
Irish
10.2%
Polish
6.2%Above Average(2.5x)
American Heritage
4.6%
Italian
4.5%
+ 5 more reported ancestry groups

Age Distribution

Median:35.0 yrs(US: 38.5)
Under 18
18.2%↓
18-29
17.6%↑
30-44
20.5%
45-64
27.9%↑
65+
15.8%
National average

Employment by Industry

Census ACS
Professional & Technical
13.6%(1.1x US)
Manufacturing
12.5%(1.3x US)
Educational Services
8.7%
Retail Trade
7.9%(0.7x US)
Healthcare & Social Services
3.8%(0.8x US)
Construction
3.4%(0.5x US)
National average

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202470.7%(157,152)26.5%(58,844)D+44.2R+2.4
202072.6%(157,136)26.0%(56,241)D+46.6D+5.7
201667.6%(128,483)26.6%(50,631)D+41.0D+5.2
201267.0%(120,890)31.3%(56,412)D+35.8R+5.2
200869.8%(130,578)28.8%(53,946)D+41.0D+13.0
200463.5%(109,953)35.5%(61,455)D+28.0D+4.4
200059.8%(86,647)36.2%(52,459)D+23.6R+3.0
199658.9%(73,106)32.3%(40,097)D+26.6D+3.4
199253.3%(73,325)30.1%(41,386)D+23.2D+17.5
198852.4%(61,799)46.7%(55,029)D+5.7D+8.9

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

Presidential Margin Trend

Washtenaw County, MI • 1892–2024

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

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202470.4%(154,214)26.6%(58,207)D+43.8D+2.0
202070.1%(150,529)28.3%(60,745)D+41.8R+2.0
201871.2%(123,305)27.4%(47,380)D+43.8D+5.9
201467.3%(80,617)29.3%(35,155)D+37.9R+3.7
201269.2%(122,094)27.5%(48,514)D+41.7R+4.1
200871.0%(128,973)25.2%(45,832)D+45.8D+9.2
200667.2%(89,788)30.6%(40,919)D+36.6D+0.8
200266.8%(71,130)31.0%(33,001)D+35.8D+13.2
200059.6%(85,305)37.1%(52,990)D+22.6R+11.0
199665.7%(80,078)32.1%(39,085)D+33.6D+31.5

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

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202275.1%(135,904)23.7%(42,804)D+51.4D+5.3
201872.0%(124,910)25.8%(44,850)D+46.1D+31.4
201456.5%(68,275)41.7%(50,394)D+14.8D+13.3
201049.9%(59,829)48.4%(58,029)D+1.5R+35.9
200668.0%(91,219)30.6%(41,080)D+37.4D+12.9
200261.4%(65,995)36.9%(39,659)D+24.5D+38.6
199842.9%(40,078)57.0%(53,227)R+14.1R+6.9
199446.4%(43,066)53.6%(49,779)R+7.2R+21.3
199056.4%(43,934)42.3%(32,942)D+14.1R+27.2
198670.3%(49,066)29.0%(20,226)D+41.3D+26.5

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

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