Marion County, IA
IA · Presidential Elections 1892–2024
Marion County, IA (Iowa) voted R+37.6 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 13,289 votes (67.92%) to 5,928 (30.3%) for Harris.
This represents a R+3.9% swing toward Republicans compared to 2020. Marion County is classified as a deep Republican county. Marion County has voted Republican in every presidential election since 1992. The county has a population of approximately 33,642.
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 | 30.3%(5,928) | 67.9%(13,289) | R+37.6 | R+3.9 |
| 2020 | 32.1%(6,178) | 65.8%(12,663) | R+33.7 | R+3.3 |
| 2016 | 30.5%(5,482) | 60.9%(10,962) | R+30.5 | R+17.3 |
| 2012 | 42.4%(7,507) | 55.6%(9,828) | R+13.1 | R+2.3 |
| 2008 | 43.6%(7,421) | 54.4%(9,256) | R+10.8 | D+9.7 |
| 2004 | 39.4%(6,574) | 59.8%(9,990) | R+20.5 | R+2.3 |
| 2000 | 39.9%(5,741) | 58.0%(8,358) | R+18.2 | R+17.2 |
| 1996 | 45.8%(5,978) | 46.7%(6,100) | R+0.9 | D+3.0 |
| 1992 | 40.9%(5,531) | 44.8%(6,062) | R+3.9 | R+11.7 |
| 1988 | 53.4%(6,922) | 45.6%(5,914) | D+7.8 | D+14.7 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Marion County, IA • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 30.0%(4,341) | 67.7%(9,799) | R+37.7 | R+6.5 |
| 2020 | 32.9%(6,269) | 64.1%(12,211) | R+31.2 | D+13.3 |
| 2016 | 25.9%(4,562) | 70.4%(12,407) | R+44.5 | R+14.6 |
| 2014 | 33.0%(4,401) | 62.9%(8,387) | R+29.9 | D+15.5 |
| 2010 | 26.2%(3,409) | 71.5%(9,326) | R+45.4 | R+48.0 |
| 2008 | 51.3%(8,609) | 48.7%(8,168) | D+2.6 | D+57.8 |
| 2004 | 21.9%(3,574) | 77.0%(12,592) | R+55.1 | R+51.8 |
| 2002 | 47.7%(5,437) | 51.1%(5,819) | R+3.4 | D+40.8 |
| 1998 | 27.7%(2,737) | 71.9%(7,107) | R+44.2 | R+36.2 |
| 1996 | 45.6%(5,905) | 53.6%(6,943) | R+8.0 | D+35.3 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 26.5%(3,808) | 71.3%(10,237) | R+44.8 | R+16.7 |
| 2018 | 34.9%(5,249) | 63.0%(9,479) | R+28.1 | D+7.8 |
| 2014 | 29.9%(4,000) | 65.8%(8,794) | R+35.9 | R+7.7 |
| 2010 | 32.8%(4,278) | 60.9%(7,946) | R+28.1 | R+16.1 |
| 2006 | 43.3%(5,241) | 55.3%(6,696) | R+12.0 | R+6.3 |
| 2002 | 46.3%(5,318) | 51.9%(5,973) | R+5.7 | D+5.6 |
| 1998 | 43.9%(4,433) | 55.2%(5,578) | R+11.3 | D+14.6 |
| 1994 | 36.5%(3,740) | 62.4%(6,395) | R+25.9 | R+3.5 |
| 1990 | 38.7%(4,187) | 61.1%(6,617) | R+22.4 | R+17.7 |
| 1986 | 47.6%(4,460) | 52.3%(4,901) | R+4.7 | D+1.5 |
Source: Official state election returns via MIT Election Data + Science Lab