Louisa County, IA
IA · Presidential Elections 1892–2024
Louisa County, IA (Iowa) voted R+40.9 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 3,584 votes (69.7%) to 1,480 (28.78%) for Harris.
This represents a R+7.6% swing toward Republicans compared to 2020. Louisa County is classified as a deep Republican county. Louisa County has voted Republican in every presidential election since 2016. The county has a population of approximately 10,678.
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 | 28.8%(1,480) | 69.7%(3,584) | R+40.9 | R+7.6 |
| 2020 | 32.4%(1,726) | 65.6%(3,500) | R+33.3 | R+5.3 |
| 2016 | 32.5%(1,648) | 60.5%(3,069) | R+28.0 | R+28.6 |
| 2012 | 49.4%(2,452) | 48.7%(2,420) | D+0.6 | R+3.6 |
| 2008 | 51.3%(2,523) | 47.0%(2,314) | D+4.2 | D+9.8 |
| 2004 | 46.7%(2,297) | 52.3%(2,572) | R+5.6 | R+7.5 |
| 2000 | 49.5%(2,294) | 47.6%(2,207) | D+1.9 | R+10.2 |
| 1996 | 48.7%(2,081) | 36.6%(1,565) | D+12.1 | D+3.8 |
| 1992 | 43.2%(2,091) | 34.9%(1,691) | D+8.3 | D+3.5 |
| 1988 | 51.8%(2,268) | 47.0%(2,060) | D+4.7 | D+20.0 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Louisa County, IA • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 29.1%(1,038) | 68.5%(2,441) | R+39.4 | R+11.7 |
| 2020 | 34.3%(1,804) | 62.0%(3,259) | R+27.7 | D+10.3 |
| 2016 | 28.9%(1,429) | 66.9%(3,303) | R+37.9 | R+13.9 |
| 2014 | 35.7%(1,207) | 59.7%(2,019) | R+24.0 | D+22.1 |
| 2010 | 25.5%(859) | 71.6%(2,411) | R+46.1 | R+77.4 |
| 2008 | 65.6%(3,167) | 34.3%(1,656) | D+31.3 | D+78.5 |
| 2004 | 25.5%(1,259) | 72.6%(3,588) | R+47.1 | R+53.6 |
| 2002 | 51.8%(1,783) | 45.3%(1,559) | D+6.5 | D+45.7 |
| 1998 | 29.8%(1,010) | 69.0%(2,336) | R+39.1 | R+38.5 |
| 1996 | 48.5%(2,102) | 49.1%(2,131) | R+0.7 | D+46.8 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 24.5%(864) | 73.2%(2,578) | R+48.7 | R+27.3 |
| 2018 | 38.4%(1,469) | 59.8%(2,288) | R+21.4 | D+17.0 |
| 2014 | 29.2%(993) | 67.6%(2,297) | R+38.4 | R+15.8 |
| 2010 | 36.7%(1,246) | 59.2%(2,013) | R+22.6 | R+30.2 |
| 2006 | 53.1%(1,825) | 45.4%(1,562) | D+7.7 | D+12.0 |
| 2002 | 46.4%(1,601) | 50.7%(1,751) | R+4.3 | R+12.5 |
| 1998 | 53.6%(1,829) | 45.5%(1,552) | D+8.1 | D+39.0 |
| 1994 | 33.5%(1,063) | 64.4%(2,043) | R+30.9 | R+3.4 |
| 1990 | 35.7%(1,337) | 63.2%(2,367) | R+27.5 | R+10.6 |
| 1986 | 41.5%(1,334) | 58.4%(1,877) | R+16.9 | R+2.3 |
Source: Official state election returns via MIT Election Data + Science Lab