Mahaska County, IA
IA · Presidential Elections 1892–2024
Mahaska County, IA (Iowa) voted R+51.4 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 8,207 votes (74.98%) to 2,577 (23.54%) for Harris.
This represents a R+4.1% swing toward Republicans compared to 2020. Mahaska County is classified as a deep Republican county. Mahaska County has voted Republican in every presidential election since 1968. The county has a population of approximately 22,021.
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 | 23.5%(2,577) | 75.0%(8,207) | R+51.4 | R+4.1 |
| 2020 | 25.4%(2,894) | 72.8%(8,297) | R+47.4 | R+2.5 |
| 2016 | 24.4%(2,619) | 69.3%(7,432) | R+44.9 | R+24.3 |
| 2012 | 38.7%(4,213) | 59.3%(6,448) | R+20.5 | R+4.0 |
| 2008 | 40.8%(4,464) | 57.4%(6,271) | R+16.5 | D+12.1 |
| 2004 | 35.3%(3,790) | 63.9%(6,858) | R+28.6 | R+1.3 |
| 2000 | 35.3%(3,370) | 62.6%(5,971) | R+27.3 | R+19.0 |
| 1996 | 41.8%(3,737) | 50.0%(4,473) | R+8.2 | D+3.9 |
| 1992 | 36.2%(3,714) | 48.3%(4,953) | R+12.1 | R+8.4 |
| 1988 | 47.8%(4,451) | 51.5%(4,798) | R+3.7 | D+15.5 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Mahaska County, IA • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 23.6%(1,936) | 73.8%(6,049) | R+50.2 | R+6.6 |
| 2020 | 26.5%(2,969) | 70.1%(7,860) | R+43.6 | D+9.0 |
| 2016 | 22.0%(2,302) | 74.5%(7,812) | R+52.6 | R+10.9 |
| 2014 | 26.9%(2,091) | 68.5%(5,334) | R+41.6 | D+12.0 |
| 2010 | 22.2%(1,866) | 75.8%(6,376) | R+53.6 | R+55.9 |
| 2008 | 51.1%(5,490) | 48.9%(5,248) | D+2.3 | D+66.2 |
| 2004 | 17.4%(1,828) | 81.4%(8,542) | R+64.0 | R+51.7 |
| 2002 | 43.3%(3,124) | 55.5%(4,005) | R+12.2 | D+45.3 |
| 1998 | 20.9%(1,449) | 78.3%(5,443) | R+57.5 | R+42.1 |
| 1996 | 41.8%(3,717) | 57.3%(5,085) | R+15.4 | D+37.5 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 20.5%(1,667) | 77.5%(6,299) | R+57.0 | R+15.1 |
| 2018 | 28.0%(2,409) | 69.9%(6,007) | R+41.9 | D+7.3 |
| 2014 | 23.2%(1,809) | 72.4%(5,648) | R+49.2 | R+13.9 |
| 2010 | 29.0%(2,449) | 64.3%(5,430) | R+35.3 | R+15.2 |
| 2006 | 39.1%(2,925) | 59.3%(4,432) | R+20.2 | R+7.1 |
| 2002 | 42.8%(3,078) | 55.8%(4,018) | R+13.1 | D+5.7 |
| 1998 | 40.2%(2,807) | 59.0%(4,120) | R+18.8 | D+18.3 |
| 1994 | 30.9%(2,158) | 67.9%(4,749) | R+37.1 | D+3.5 |
| 1990 | 29.6%(2,280) | 70.1%(5,404) | R+40.5 | R+18.0 |
| 1986 | 38.7%(2,751) | 61.3%(4,350) | R+22.5 | R+12.5 |
Source: Official state election returns via MIT Election Data + Science Lab