Clayton County, IA
IA · Presidential Elections 1892–2024
Clayton County, IA (Iowa) voted R+34.4 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 6,255 votes (66.54%) to 3,017 (32.1%) for Harris.
This represents a R+5.6% swing toward Republicans compared to 2020. Clayton County is classified as a deep Republican county. Clayton County has voted Republican in every presidential election since 2016. The county has a population of approximately 17,013.
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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 | 32.1%(3,017) | 66.5%(6,255) | R+34.4 | R+5.6 |
| 2020 | 34.8%(3,340) | 63.6%(6,106) | R+28.8 | R+6.3 |
| 2016 | 35.1%(3,237) | 57.7%(5,317) | R+22.6 | R+29.6 |
| 2012 | 52.6%(4,806) | 45.6%(4,164) | D+7.0 | R+10.2 |
| 2008 | 57.8%(5,195) | 40.6%(3,651) | D+17.2 | D+12.6 |
| 2004 | 51.7%(4,736) | 47.0%(4,312) | D+4.6 | D+2.2 |
| 2000 | 49.5%(4,238) | 47.1%(4,034) | D+2.4 | R+14.0 |
| 1996 | 52.3%(4,284) | 35.9%(2,944) | D+16.4 | D+8.8 |
| 1992 | 40.7%(3,742) | 33.1%(3,044) | D+7.6 | D+1.8 |
| 1988 | 52.4%(4,320) | 46.6%(3,839) | D+5.8 | D+24.3 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Clayton County, IA • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 33.9%(2,512) | 65.3%(4,839) | R+31.4 | R+6.1 |
| 2020 | 36.1%(3,434) | 61.4%(5,845) | R+25.3 | D+8.8 |
| 2016 | 30.8%(2,779) | 64.9%(5,851) | R+34.1 | R+21.0 |
| 2014 | 41.3%(2,893) | 54.4%(3,810) | R+13.1 | D+23.3 |
| 2010 | 30.3%(2,106) | 66.6%(4,632) | R+36.3 | R+70.2 |
| 2008 | 66.8%(5,907) | 33.0%(2,916) | D+33.8 | D+81.4 |
| 2004 | 25.3%(2,303) | 73.0%(6,628) | R+47.6 | R+62.1 |
| 2002 | 56.0%(3,861) | 41.5%(2,864) | D+14.5 | D+62.2 |
| 1998 | 25.8%(1,658) | 73.6%(4,724) | R+47.8 | R+59.4 |
| 1996 | 55.2%(4,357) | 43.6%(3,441) | D+11.6 | D+65.9 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 28.6%(2,105) | 69.3%(5,110) | R+40.8 | R+21.4 |
| 2018 | 37.6%(2,978) | 57.0%(4,512) | R+19.4 | D+10.2 |
| 2014 | 33.7%(2,368) | 63.3%(4,449) | R+29.6 | R+21.5 |
| 2010 | 44.2%(3,096) | 52.3%(3,662) | R+8.1 | R+19.7 |
| 2006 | 54.8%(3,728) | 43.1%(2,936) | D+11.6 | D+5.6 |
| 2002 | 51.0%(3,525) | 45.0%(3,107) | D+6.1 | D+3.0 |
| 1998 | 50.9%(3,332) | 47.8%(3,129) | D+3.1 | D+27.2 |
| 1994 | 37.3%(2,698) | 61.4%(4,445) | R+24.1 | D+10.9 |
| 1990 | 32.3%(2,312) | 67.3%(4,815) | R+35.0 | R+27.0 |
| 1986 | 46.0%(3,036) | 54.0%(3,562) | R+8.0 | D+20.6 |
Source: Official state election returns via MIT Election Data + Science Lab