Jefferson County, Washington: Deep Blue Country
Washington · Presidential Elections 1892–2024
D+45.1
2024 Margin
D+3.6%
2020→2024 Swing
D since 1984
Voting Streak
33K
Population
Jefferson County, Washington voted D+45.1 for Kamala Harris in 2024, with Harris receiving 17,459 votes (70.69%). This represented a D+3.6% swing toward Democrats compared to 2020. The county has voted Democratic in every presidential election since 1984.
Quick Stats
2024 ResultD+45.1
2020→2024 SwingD+3.6%
Voting StreakD since 1984
Elections on Record34
Demographics
Population32,977
Median Age
59.4(US: 38.4)
College (BA+)
43.3%(US: 34.6%)
Median Income
$64,796(US: $78k)
White (non-Hisp)
85.3%(US: 57.5%)
Hispanic
4.3%(US: 18.6%)
Asian
1.4%(US: 5.7%)
Homeownership
79.7%(US: 64.2%)
Poverty Rate
12.6%(US: 12.4%)
Veterans
12.1%(US: 6.4%)
Non-English (CVAP)
4.8%(US: 17.1%)
Community Profile
Religious Composition
Source: Religion Census 2020EvangelicalStrongly R
7.1%(-9.4 vs US)
CatholicSwing vote
4.2%(-14.5 vs US)
Mainline ProtestantSuburban swing
3.9%(-1.3 vs US)
LDS/MormonHistorically R
0.7%(-1.3 vs US)
Age Distribution
Median:59.4 yrs(US: 38.5)
Under 18Future voters
11.5%↓
18-29Lean D, low turnout
3.7%↓
30-44Swing voters
13.0%↓
45-64Lean R, high turnout
32.2%↑
65+Lean R, highest turnout
39.6%↑
National average
Employment by Industry
Source: Census ACSRetail Trade
11.6%Professional Services
10.9%Education
9.6%ConstructionAbove avg
8.7%ManufacturingBelow avg
7.1%HealthcareVery low
5.7%Political relevance:
Healthcare: ACA debatesAgriculture: Farm bill, rural R
+ 1 more industries
Presidential Elections
Presidential Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 70.7%(17,459) | 25.6%(6,324) | D+45.1 | D+3.6 |
| 2020 | 69.4%(17,204) | 28.0%(6,931) | D+41.4 | D+9.7 |
| 2016 | 60.6%(12,656) | 28.9%(6,037) | D+31.7 | R+0.0 |
| 2012 | 63.8%(12,739) | 32.1%(6,405) | D+31.7 | R+2.9 |
| 2008 | 66.3%(13,252) | 31.7%(6,330) | D+34.6 | D+8.0 |
| 2004 | 62.3%(11,610) | 35.7%(6,650) | D+26.6 | D+12.8 |
| 2000 | 52.3%(8,281) | 38.5%(6,095) | D+13.8 | R+4.2 |
| 1996 | 50.6%(7,145) | 32.6%(4,607) | D+18.0 | R+2.7 |
| 1992 | 47.5%(6,148) | 26.8%(3,467) | D+20.7 | D+9.4 |
| 1988 | 54.7%(5,270) | 43.4%(4,184) | D+11.3 | D+10.6 |
Source: Official state election returns via MIT Election Data + Science Lab
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 72.4%(17,621) | 27.6%(6,708) | D+44.9 | D+3.4 |
| 2022 | 70.6%(14,970) | 29.2%(6,185) | D+41.4 | D+3.9 |
| 2018 | 68.8%(14,331) | 31.2%(6,502) | D+37.6 | D+0.1 |
| 2016 | 68.8%(14,098) | 31.3%(6,408) | D+37.5 | R+0.1 |
| 2012 | 68.8%(13,471) | 31.2%(6,114) | D+37.6 | D+11.6 |
| 2010 | 63.0%(10,917) | 37.0%(6,413) | D+26.0 | R+4.8 |
| 2006 | 63.1%(10,164) | 32.4%(5,212) | D+30.8 | D+2.8 |
| 2004 | 62.7%(11,573) | 34.8%(6,415) | D+27.9 | D+15.2 |
| 2000 | 55.0%(8,647) | 42.3%(6,647) | D+12.7 | R+11.1 |
| 1998 | 61.9%(7,820) | 38.1%(4,813) | D+23.8 | D+19.3 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 70.0%(17,201) | 29.8%(7,312) | D+40.2 | D+2.4 |
| 2020 | 68.8%(16,992) | 31.0%(7,651) | D+37.8 | D+6.9 |
| 2016 | 65.2%(13,399) | 34.3%(7,049) | D+30.9 | D+6.3 |
| 2012 | 62.3%(12,176) | 37.7%(7,370) | D+24.6 | R+2.6 |
| 2008 | 63.6%(12,588) | 36.4%(7,200) | D+27.2 | D+9.0 |
| 2004 | 57.9%(10,650) | 39.6%(7,295) | D+18.2 | R+7.7 |
| 2000 | 61.7%(9,712) | 35.8%(5,628) | D+25.9 | D+7.6 |
| 1996 | 59.2%(8,268) | 40.8%(5,702) | D+18.4 | D+8.8 |
| 1992 | 54.8%(7,047) | 45.2%(5,820) | D+9.5 | R+22.3 |
| 1988 | 65.9%(6,378) | 34.1%(3,300) | D+31.8 | D+24.4 |
Source: Official state election returns via MIT Election Data + Science Lab