Washington County, IA
IA · Presidential Elections 1892–2024
Washington County, IA (Iowa) voted R+24.4 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 7,119 votes (61.43%) to 4,297 (37.08%) for Harris.
This represents a R+3.9% swing toward Republicans compared to 2020. Washington County is classified as a solid Republican county. Washington County has voted Republican in every presidential election since 2000. The county has a population of approximately 22,561.
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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 | 37.1%(4,297) | 61.4%(7,119) | R+24.4 | R+3.9 |
| 2020 | 38.8%(4,561) | 59.3%(6,971) | R+20.5 | R+0.4 |
| 2016 | 35.5%(3,943) | 55.6%(6,173) | R+20.1 | R+16.0 |
| 2012 | 46.5%(5,115) | 50.5%(5,562) | R+4.1 | R+3.3 |
| 2008 | 48.6%(5,170) | 49.4%(5,247) | R+0.7 | D+12.2 |
| 2004 | 43.0%(4,595) | 55.9%(5,977) | R+12.9 | R+3.1 |
| 2000 | 43.2%(3,932) | 53.1%(4,827) | R+9.8 | R+12.6 |
| 1996 | 46.8%(3,828) | 44.0%(3,600) | D+2.8 | D+4.9 |
| 1992 | 37.5%(3,384) | 39.6%(3,576) | R+2.1 | R+2.6 |
| 1988 | 49.6%(3,776) | 49.1%(3,741) | D+0.5 | D+20.2 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Washington County, IA • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 36.5%(3,235) | 61.4%(5,450) | R+25.0 | R+5.6 |
| 2020 | 38.8%(4,519) | 58.1%(6,773) | R+19.3 | D+19.5 |
| 2016 | 28.4%(3,062) | 67.3%(7,251) | R+38.9 | R+18.4 |
| 2014 | 37.6%(3,098) | 58.1%(4,781) | R+20.4 | D+24.2 |
| 2010 | 26.3%(2,280) | 71.0%(6,152) | R+44.7 | R+63.2 |
| 2008 | 59.2%(6,122) | 40.7%(4,209) | D+18.5 | D+74.7 |
| 2004 | 20.9%(2,190) | 77.0%(8,082) | R+56.2 | R+57.2 |
| 2002 | 49.6%(3,518) | 48.5%(3,441) | D+1.1 | D+48.1 |
| 1998 | 25.9%(1,754) | 72.9%(4,946) | R+47.0 | R+48.1 |
| 1996 | 49.6%(4,016) | 48.5%(3,928) | D+1.1 | D+52.5 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 33.4%(2,937) | 64.6%(5,692) | R+31.3 | R+15.5 |
| 2018 | 40.9%(3,746) | 56.6%(5,189) | R+15.8 | D+15.9 |
| 2014 | 32.1%(2,654) | 63.8%(5,268) | R+31.6 | R+14.0 |
| 2010 | 38.7%(3,391) | 56.4%(4,935) | R+17.6 | R+15.9 |
| 2006 | 48.3%(3,605) | 50.0%(3,737) | R+1.8 | R+0.8 |
| 2002 | 48.1%(3,425) | 49.1%(3,497) | R+1.0 | R+5.0 |
| 1998 | 51.3%(3,560) | 47.3%(3,286) | D+3.9 | D+28.1 |
| 1994 | 37.1%(2,478) | 61.3%(4,093) | R+24.2 | D+10.4 |
| 1990 | 32.5%(2,023) | 67.1%(4,177) | R+34.6 | R+19.7 |
| 1986 | 42.6%(2,292) | 57.4%(3,092) | R+14.9 | D+2.8 |
Source: Official state election returns via MIT Election Data + Science Lab