Washington County, OR

OR · Presidential Elections 1892–2024

D+33.7
2024 Margin
R+0.9%
2020→2024 Swing
D since 1992
Voting Streak
604K
Population

Washington County, OR (Oregon) voted D+33.7 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 193,013 votes (64.78%) to 92,590 (31.08%) for Trump.

This represents a R+0.9% swing toward Republicans compared to 2020. Washington County is classified as a deep Democratic county. Washington County has voted Democratic in every presidential election since 1992. The county has a population of approximately 603,947.

Quick Stats

2024 ResultD+33.7
2020→2024 SwingR+0.9%
Voting StreakD since 1992
Elections on Record34

Demographics

Population603,947
Median Age
38.1(US: 38.7)
College (BA+)
47.5%(US: 35.2%)
Median Income
$107,772(US: $80k)
White (non-Hisp)
61.3%(US: 57.6%)
Hispanic
18.6%(US: 19.1%)
Black
2.2%(US: 12.2%)
Asian
11.0%(US: 5.7%)
Homeownership
60.8%(US: 64.5%)
Poverty Rate
8.1%(US: 12.3%)
Veterans
5.6%(US: 6.2%)
Non-English (CVAP)
17.2%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Catholic
11.7%(Below Average)
Evangelical
11.3%(Below Average)
LDS/Mormon
4.7%(Major Center)
Mainline Protestant
2.0%

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

German
14.2%
Mexican
13.8%(1.2x)
English
12.8%(1.5x)
Irish
9.1%
American Heritage
5.1%
Italian
3.1%
+ 3 more reported ancestry groups

Age Distribution

Median:38.1 yrs(US: 38.5)
Under 18
21.6%
18-29
7.9%↓
30-44
23.7%↑
45-64
32.1%↑
65+
14.8%↓
National average

Employment by Industry

Census ACS
ManufacturingRegional Strength
17.6%(1.8x US)
Professional & Technical
14.6%(1.2x US)
Retail Trade
11.7%
Educational Services
7.7%(0.9x US)
Construction
5.7%(0.8x US)
Healthcare & Social Services
3.9%(0.8x US)
National average
+ 1 more sectors

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202464.8%(193,013)31.1%(92,590)D+33.7R+0.9
202065.5%(209,940)30.9%(99,073)D+34.6D+8.6
201656.9%(153,251)30.9%(83,197)D+26.0D+8.6
201257.1%(135,291)39.6%(93,974)D+17.4R+4.7
200859.8%(141,544)37.7%(89,185)D+22.1D+16.1
200452.4%(121,140)46.4%(107,223)D+6.0D+3.6
200048.8%(90,662)46.3%(86,091)D+2.5R+4.7
199648.0%(76,619)40.8%(65,221)D+7.1D+0.9
199240.4%(67,528)34.2%(57,146)D+6.2D+11.8
198846.3%(59,837)51.9%(67,018)R+5.6D+20.3

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

Presidential Margin Trend

Washington County, OR • 1892–2024

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

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202263.6%(160,858)32.9%(83,146)D+30.7R+2.6
202064.6%(202,073)31.3%(97,799)D+33.4D+2.7
201660.5%(158,685)29.8%(78,184)D+30.7D+11.0
201456.2%(106,769)36.5%(69,406)D+19.7D+0.6
201058.0%(107,225)38.9%(71,926)D+19.1D+16.8
200848.8%(111,367)46.5%(106,114)D+2.3R+30.0
200464.0%(142,569)31.7%(70,582)D+32.3D+53.6
200237.5%(56,555)58.8%(88,740)R+21.3R+47.1
199860.8%(78,450)35.0%(45,121)D+25.8R+11.2
199688.1%(137,705)51.1%(79,799)D+37.1D+44.9

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

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202255.1%(140,946)35.6%(91,068)D+19.5D+3.2
201855.5%(137,886)39.2%(97,286)D+16.3D+0.6
201655.0%(143,278)39.3%(102,282)D+15.7D+7.0
201451.5%(98,203)42.7%(81,484)D+8.8D+7.2
201049.6%(92,811)48.1%(89,926)D+1.5R+6.8
200651.1%(88,292)42.8%(73,907)D+8.3D+9.0
200247.6%(70,859)48.2%(71,809)R+0.6R+35.8
199865.5%(83,455)30.4%(38,680)D+35.2D+23.0
199452.8%(72,747)40.7%(56,045)D+12.1D+5.1
199048.1%(57,815)41.0%(49,340)D+7.0D+12.6

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

ShareShareShare

Explore More

OR ResultsBiggest Swings 2024Flipped Counties 2024Bellwether CountiesNational Swing Map