Johnson County, MO
MO · Presidential Elections 1892–2024
Johnson County, MO (Missouri) voted R+39.4 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 16,298 votes (68.8%) to 6,960 (29.38%) for Harris.
This represents a R+2.7% swing toward Republicans compared to 2020. Johnson County is classified as a deep Republican county. Johnson County has voted Republican in every presidential election since 1996. The county has a population of approximately 54,732.
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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 | 29.4%(6,960) | 68.8%(16,298) | R+39.4 | R+2.7 |
| 2020 | 30.1%(6,974) | 66.8%(15,489) | R+36.7 | R+0.3 |
| 2016 | 27.8%(5,930) | 64.2%(13,719) | R+36.5 | R+12.2 |
| 2012 | 36.5%(7,667) | 60.7%(12,763) | R+24.2 | R+12.0 |
| 2008 | 42.9%(9,480) | 55.2%(12,183) | R+12.2 | D+9.8 |
| 2004 | 38.5%(7,790) | 60.6%(12,257) | R+22.1 | R+7.7 |
| 2000 | 41.3%(6,926) | 55.6%(9,339) | R+14.4 | R+14.0 |
| 1996 | 42.7%(6,220) | 43.1%(6,276) | R+0.4 | R+3.8 |
| 1992 | 36.5%(5,546) | 33.1%(5,032) | D+3.4 | D+19.9 |
| 1988 | 41.6%(5,373) | 58.1%(7,512) | R+16.6 | D+16.4 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Johnson County, MO • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 31.9%(7,462) | 65.2%(15,269) | R+33.4 | R+1.1 |
| 2022 | 33.9%(5,125) | 66.1%(10,001) | R+32.2 | R+9.7 |
| 2018 | 36.5%(6,476) | 59.0%(10,465) | R+22.5 | R+6.9 |
| 2016 | 39.3%(8,315) | 54.9%(11,611) | R+15.6 | R+23.2 |
| 2012 | 49.1%(10,197) | 41.5%(8,613) | D+7.6 | D+30.8 |
| 2010 | 35.1%(5,230) | 58.3%(8,677) | R+23.2 | R+20.7 |
| 2006 | 46.3%(7,099) | 48.7%(7,467) | R+2.4 | D+24.4 |
| 2004 | 35.8%(7,194) | 62.5%(12,574) | R+26.8 | R+25.9 |
| 2002 | 48.5%(6,305) | 49.4%(6,423) | R+0.9 | D+0.1 |
| 2000 | 48.8%(8,184) | 49.8%(8,351) | R+1.0 | D+20.1 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 29.0%(6,751) | 68.6%(15,991) | R+39.6 | R+3.0 |
| 2020 | 29.9%(6,895) | 66.5%(15,321) | R+36.6 | R+19.1 |
| 2016 | 39.4%(8,335) | 56.9%(12,040) | R+17.5 | R+22.0 |
| 2012 | 50.2%(10,428) | 45.7%(9,484) | D+4.5 | R+6.0 |
| 2008 | 53.9%(11,658) | 43.3%(9,367) | D+10.6 | D+19.6 |
| 2004 | 44.5%(8,958) | 53.5%(10,767) | R+9.0 | R+7.5 |
| 2000 | 47.7%(7,964) | 49.3%(8,219) | R+1.5 | R+29.5 |
| 1996 | 62.6%(9,082) | 34.6%(5,024) | D+28.0 | D+13.5 |
| 1992 | 57.2%(8,558) | 42.8%(6,395) | D+14.5 | D+53.6 |
| 1988 | 30.0%(3,868) | 69.0%(8,914) | R+39.1 | R+13.7 |
Source: Official state election returns via MIT Election Data + Science Lab