Presidential elections · 2000–2024
Johnson County, MO — Presidential Election Results (2000–2024)
In 2024, Johnson County, Missouri voted for Donald J. Trump (Republican) by R+39.6 — 6,960 Democratic to 16,298 Republican of 23,602 votes cast. From 2020 to 2024 it shifted 2.8 points toward Republicans. That makes it 21.2 points more Republican than Missouri overall (R+18.4).
Data: MIT Election Data & Science Lab, Harvard Dataverse.
Margin by election, 2000–2024
Democratic minus Republican, in points of all votes cast — blue bars Democratic, red Republican.
Every election in Johnson County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 6,960 | 16,298 | 344 | 29.5% | 69.1% | R+39.6 |
| 2020 | 6,974 | 15,489 | 660 | 30.2% | 67.0% | R+36.8 |
| 2016 | 5,930 | 13,719 | 1,483 | 28.1% | 64.9% | R+36.9 |
| 2012 | 7,667 | 12,763 | 591 | 36.5% | 60.7% | R+24.2 |
| 2008 | 9,480 | 12,183 | 417 | 42.9% | 55.2% | R+12.2 |
| 2004 | 7,790 | 12,257 | 189 | 38.5% | 60.6% | R+22.1 |
| 2000 | 6,926 | 9,339 | 522 | 41.3% | 55.6% | R+14.4 |
Johnson County presidential elections — FAQ
Who carried Johnson County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Johnson County, Missouri in 2024 by R+39.6, with 23,602 votes cast. Data: MIT Election Data & Science Lab.
How did Johnson County shift between 2020 and 2024?+
Johnson County shifted 2.8 points toward Republicans between 2020 (R+36.8) and 2024 (R+39.6).
Is Johnson County more Democratic or Republican than Missouri overall?+
In 2024, Johnson County went R+39.6 while Missouri overall went R+18.4 — 21.2 points more Republican than the state.
Where does this election data come from?+
County-level presidential returns (2000–2024) come from the MIT Election Data and Science Lab (MEDSL), published on the Harvard Dataverse. pumsdata is an independent product that makes the data easy to map and compare, and is not affiliated with MEDSL or Harvard.