San Juan County, WA

WA · Presidential Elections 1892–2024

D+51.1
2024 Margin
D+0.6%
2020→2024 Swing
D since 1988
Voting Streak
18K
Population

San Juan County, WA (Washington) voted D+51.1 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 9,539 votes (73.34%) to 2,890 (22.22%) for Trump.

This represents a D+0.6% swing toward Democrats compared to 2020. San Juan County is classified as a deep Democratic county. San Juan County has voted Democratic in every presidential election since 1988. The county has a population of approximately 18,478.

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Quick Stats

2024 ResultD+51.1
2020→2024 SwingD+0.6%
Voting StreakD since 1988
Elections on Record34

Demographics

Population18,478
Median Age
57.0(US: 38.7)
College (BA+)
53.9%(US: 35.2%)
Median Income
$84,800(US: $80k)
White (non-Hisp)
86.1%(US: 57.6%)
Hispanic
7.6%(US: 19.1%)
Asian
1.3%(US: 5.7%)
Homeownership
78.0%(US: 64.5%)
Poverty Rate
11.3%(US: 12.3%)
Veterans
7.5%(US: 6.2%)
Non-English (CVAP)
4.4%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Catholic
6.9%(Below Average)
LDS/Mormon
5.9%(Major Center)
Evangelical
4.7%(Below Average)
Mainline Protestant
4.0%

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

English
19.4%Above Average(2.2x)
German
17.3%(1.4x)
Irish
13.3%(1.4x)
Mexican
5.0%
Italian
3.6%
French
2.9%(1.5x)
+ 3 more reported ancestry groups

Age Distribution

Median:57.0 yrs(US: 38.5)
Under 18
12.6%↓
18-29
4.4%↓
30-44
13.0%↓
45-64
34.0%↑
65+
36.0%↑
National average

Employment by Industry

Census ACS
Professional & Technical
17.4%(1.5x US)
ConstructionMajor Specialization
13.5%(2.0x US)
Retail Trade
10.3%
Educational Services
10.1%(1.2x US)
Healthcare & Social Services
5.7%(1.2x US)
Manufacturing
5.6%(0.6x US)
National average
+ 1 more sectors

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202473.3%(9,539)22.2%(2,890)D+51.1D+0.6
202073.7%(9,725)23.2%(3,057)D+50.5D+10.3
201664.4%(7,172)24.1%(2,688)D+40.3D+2.7
201266.6%(7,125)29.1%(3,111)D+37.5R+4.4
200870.0%(7,374)28.1%(2,958)D+41.9D+9.3
200465.2%(6,589)32.6%(3,290)D+32.6D+15.8
200052.5%(4,426)35.7%(3,005)D+16.9D+1.4
199649.8%(3,663)34.3%(2,523)D+15.5R+4.9
199247.1%(3,353)26.7%(1,901)D+20.4D+14.4
198851.7%(3,008)45.8%(2,660)D+6.0D+13.0

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

Presidential Margin Trend

San Juan County, WA • 1892–2024

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

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202474.4%(9,466)25.3%(3,214)D+49.1D+3.2
202272.9%(8,254)27.0%(3,055)D+45.9D+0.7
201872.6%(8,016)27.4%(3,026)D+45.2D+2.0
201671.6%(7,789)28.4%(3,091)D+43.2D+2.4
201270.4%(7,351)29.6%(3,095)D+40.7D+10.3
201065.2%(5,994)34.8%(3,194)D+30.5R+4.0
200664.7%(5,323)30.2%(2,483)D+34.5D+2.1
200464.3%(6,376)31.9%(3,164)D+32.4D+15.9
200056.9%(4,729)40.5%(3,362)D+16.4R+11.9
199864.2%(4,471)35.8%(2,494)D+28.4D+21.0

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

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202473.1%(9,348)26.6%(3,400)D+46.5R+0.4
202073.4%(9,621)26.4%(3,465)D+47.0D+8.9
201668.9%(7,509)30.8%(3,356)D+38.1D+8.5
201264.8%(6,763)35.2%(3,671)D+29.6R+5.8
200867.7%(7,044)32.3%(3,356)D+35.5D+13.0
200459.6%(5,872)37.1%(3,660)D+22.5R+10.1
200064.8%(5,385)32.3%(2,684)D+32.5D+6.1
199663.2%(4,567)36.8%(2,660)D+26.4D+17.2
199254.6%(3,758)45.4%(3,123)D+9.2R+22.5
198865.9%(3,814)34.1%(1,976)D+31.7D+34.8

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

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