Johnson County, KS
KS · Presidential Elections 1892–2024
Johnson County, KS (Kansas) voted D+8.4 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 183,451 votes (52.89%) to 154,247 (44.47%) for Trump.
This represents a D+0.2% swing toward Democrats compared to 2020. Johnson County is classified as a lean Democratic county. Johnson County has voted Democratic in every presidential election since 2020. The county has a population of approximately 620,631.
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 | 52.9%(183,451) | 44.5%(154,247) | D+8.4 | D+0.2 |
| 2020 | 53.1%(184,259) | 44.8%(155,631) | D+8.2 | D+10.8 |
| 2016 | 44.1%(129,852) | 46.7%(137,490) | R+2.6 | D+14.8 |
| 2012 | 40.2%(110,526) | 57.6%(158,401) | R+17.4 | R+8.4 |
| 2008 | 44.8%(127,091) | 53.9%(152,627) | R+9.0 | D+14.3 |
| 2004 | 37.8%(97,866) | 61.1%(158,103) | R+23.3 | D+0.1 |
| 2000 | 36.4%(79,118) | 59.7%(129,965) | R+23.4 | R+1.2 |
| 1996 | 35.7%(68,129) | 57.8%(110,368) | R+22.1 | R+8.9 |
| 1992 | 30.6%(59,573) | 43.8%(85,418) | R+13.3 | D+13.3 |
| 1988 | 36.3%(55,183) | 62.8%(95,591) | R+26.5 | D+18.9 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Johnson County, KS • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 49.3%(129,199) | 48.0%(125,715) | D+1.3 | R+6.5 |
| 2020 | 51.6%(179,231) | 43.8%(152,068) | D+7.8 | D+24.4 |
| 2016 | 38.9%(112,283) | 55.4%(160,074) | R+16.6 | D+32.7 |
| 2014 | 0.0%(0) | 49.2%(94,843) | R+49.2 | R+13.2 |
| 2010 | 30.3%(55,587) | 66.3%(121,630) | R+36.0 | R+17.0 |
| 2008 | 38.8%(106,297) | 57.7%(158,312) | R+19.0 | D+14.1 |
| 2004 | 31.8%(79,501) | 64.9%(162,385) | R+33.1 | D+46.9 |
| 2002 | 0.0%(0) | 80.0%(123,682) | R+80.0 | R+38.1 |
| 1998 | 27.7%(36,688) | 69.6%(92,066) | R+41.9 | D+6.9 |
| 1996 | 72.3%(135,736) | 121.0%(227,301) | R+48.7 | R+2.8 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 59.0%(155,104) | 38.9%(102,162) | D+20.2 | D+3.4 |
| 2018 | 54.6%(148,082) | 37.9%(102,813) | D+16.7 | D+17.9 |
| 2014 | 47.9%(92,416) | 49.2%(94,787) | R+1.2 | D+28.6 |
| 2010 | 33.4%(61,212) | 63.2%(115,994) | R+29.9 | R+55.3 |
| 2006 | 62.1%(115,251) | 36.6%(67,946) | D+25.5 | D+31.5 |
| 2002 | 46.3%(76,943) | 52.3%(86,936) | R+6.0 | D+59.4 |
| 1998 | 15.7%(20,711) | 81.1%(106,976) | R+65.4 | R+24.0 |
| 1994 | 29.3%(34,112) | 70.7%(82,238) | R+41.4 | R+40.3 |
| 1990 | 43.8%(45,046) | 44.8%(46,116) | R+1.0 | R+0.3 |
| 1986 | 49.6%(50,758) | 50.4%(51,561) | R+0.8 | R+13.4 |
Source: Official state election returns via MIT Election Data + Science Lab