Mason County, WA
WA · Presidential Elections 1892–2024
Mason County, WA (Washington) voted R+2.5 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 18,127 votes (49.41%) to 17,215 (46.92%) for Harris.
This represents a D+1.4% swing toward Democrats compared to 2020. Mason County is classified as a competitive Republican county. Mason County has voted Republican in every presidential election since 2016. The county has a population of approximately 67,982.
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Quick Stats
Demographics
Community Profile
Religious Composition
Source: Religion Census 2020Ancestry Groups
Source: Census ACSTop reported ancestry groups (compared to national average).
Age Distribution
Employment by Industry
Census ACSPresidential Elections
Presidential Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 46.9%(17,215) | 49.4%(18,127) | R+2.5 | D+1.4 |
| 2020 | 46.3%(17,269) | 50.2%(18,710) | R+3.9 | D+1.9 |
| 2016 | 41.4%(11,993) | 47.2%(13,677) | R+5.8 | R+12.8 |
| 2012 | 51.8%(14,764) | 44.8%(12,761) | D+7.0 | R+1.6 |
| 2008 | 53.2%(15,050) | 44.5%(12,600) | D+8.7 | D+5.1 |
| 2004 | 50.8%(12,894) | 47.2%(11,987) | D+3.6 | D+0.8 |
| 2000 | 48.4%(10,876) | 45.6%(10,257) | D+2.8 | R+11.4 |
| 1996 | 48.6%(10,088) | 34.5%(7,149) | D+14.2 | D+2.4 |
| 1992 | 41.1%(8,076) | 29.4%(5,776) | D+11.7 | D+9.1 |
| 1988 | 50.3%(7,826) | 47.8%(7,426) | D+2.6 | D+11.5 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Mason County, WA • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 49.4%(17,593) | 50.2%(17,865) | R+0.8 | D+5.5 |
| 2022 | 46.7%(13,777) | 53.0%(15,612) | R+6.2 | R+1.9 |
| 2018 | 47.8%(13,220) | 52.2%(14,416) | R+4.3 | R+8.4 |
| 2016 | 52.1%(14,848) | 47.9%(13,677) | D+4.1 | R+10.8 |
| 2012 | 57.5%(16,057) | 42.5%(11,885) | D+14.9 | D+17.0 |
| 2010 | 49.0%(12,061) | 51.0%(12,568) | R+2.1 | R+16.2 |
| 2006 | 55.4%(11,747) | 41.2%(8,736) | D+14.2 | D+4.8 |
| 2004 | 53.3%(13,349) | 43.9%(10,998) | D+9.4 | D+13.2 |
| 2000 | 46.1%(10,268) | 50.0%(11,118) | R+3.8 | R+22.5 |
| 1998 | 59.3%(10,808) | 40.7%(7,413) | D+18.6 | D+22.1 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 44.6%(16,173) | 55.0%(19,942) | R+10.4 | D+0.5 |
| 2020 | 44.4%(16,502) | 55.3%(20,562) | R+10.9 | R+3.1 |
| 2016 | 45.9%(13,126) | 53.8%(15,365) | R+7.8 | R+2.3 |
| 2012 | 47.3%(13,175) | 52.7%(14,708) | R+5.5 | R+4.6 |
| 2008 | 49.6%(13,942) | 50.4%(14,181) | R+0.8 | D+2.0 |
| 2004 | 47.2%(11,797) | 50.1%(12,519) | R+2.9 | R+15.7 |
| 2000 | 55.3%(12,319) | 42.5%(9,473) | D+12.8 | D+2.2 |
| 1996 | 55.3%(11,421) | 44.7%(9,231) | D+10.6 | D+13.5 |
| 1992 | 48.6%(9,548) | 51.4%(10,111) | R+2.9 | R+24.7 |
| 1988 | 60.9%(9,699) | 39.1%(6,217) | D+21.9 | D+4.3 |
Source: Official state election returns via MIT Election Data + Science Lab