Grundy County, IA
IA · Presidential Elections 1892–2024
Grundy County, IA (Iowa) voted R+41.7 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 4,998 votes (69.94%) to 2,019 (28.25%) for Harris.
This represents a R+4.3% swing toward Republicans compared to 2020. Grundy County is classified as a deep Republican county. Grundy County has voted Republican in every presidential election since 1968. The county has a population of approximately 12,384.
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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 | 28.3%(2,019) | 69.9%(4,998) | R+41.7 | R+4.3 |
| 2020 | 30.3%(2,206) | 67.7%(4,929) | R+37.4 | D+1.0 |
| 2016 | 26.7%(1,856) | 65.2%(4,527) | R+38.5 | R+15.8 |
| 2012 | 37.9%(2,635) | 60.5%(4,215) | R+22.7 | R+5.8 |
| 2008 | 40.9%(2,790) | 57.8%(3,945) | R+16.9 | D+12.9 |
| 2004 | 34.8%(2,386) | 64.7%(4,429) | R+29.8 | R+1.8 |
| 2000 | 35.0%(2,139) | 63.0%(3,851) | R+28.0 | R+17.4 |
| 1996 | 40.8%(2,322) | 51.5%(2,928) | R+10.7 | D+9.9 |
| 1992 | 30.8%(1,895) | 51.3%(3,160) | R+20.5 | D+1.0 |
| 1988 | 38.9%(2,211) | 60.4%(3,433) | R+21.5 | D+18.6 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Grundy County, IA • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 27.0%(1,462) | 72.2%(3,909) | R+45.2 | R+6.7 |
| 2020 | 29.4%(2,120) | 67.9%(4,900) | R+38.5 | D+18.1 |
| 2016 | 19.9%(1,370) | 76.6%(5,261) | R+56.7 | R+16.9 |
| 2014 | 28.5%(1,516) | 68.2%(3,626) | R+39.7 | D+20.8 |
| 2010 | 18.7%(990) | 79.2%(4,191) | R+60.5 | R+61.5 |
| 2008 | 50.4%(3,389) | 49.5%(3,325) | D+1.0 | D+70.9 |
| 2004 | 14.6%(994) | 84.5%(5,747) | R+69.9 | R+54.4 |
| 2002 | 41.6%(1,972) | 57.1%(2,705) | R+15.5 | D+51.7 |
| 1998 | 16.3%(779) | 83.5%(4,000) | R+67.2 | R+53.1 |
| 1996 | 42.6%(2,379) | 56.7%(3,167) | R+14.1 | D+52.4 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 22.9%(1,229) | 75.0%(4,033) | R+52.1 | R+19.0 |
| 2018 | 32.5%(1,875) | 65.7%(3,785) | R+33.1 | D+12.3 |
| 2014 | 25.1%(1,340) | 70.6%(3,761) | R+45.4 | R+9.9 |
| 2010 | 29.7%(1,568) | 65.2%(3,446) | R+35.5 | R+17.2 |
| 2006 | 40.4%(1,998) | 58.7%(2,906) | R+18.4 | R+3.9 |
| 2002 | 41.6%(1,970) | 56.1%(2,654) | R+14.5 | D+4.4 |
| 1998 | 40.1%(1,916) | 59.0%(2,818) | R+18.9 | D+21.6 |
| 1994 | 29.5%(1,400) | 70.0%(3,321) | R+40.5 | D+8.9 |
| 1990 | 25.1%(1,205) | 74.5%(3,573) | R+49.4 | R+23.4 |
| 1986 | 37.0%(1,653) | 63.0%(2,812) | R+26.0 | D+21.7 |
Source: Official state election returns via MIT Election Data + Science Lab