Pettis County, Missouri
| Donald Trump ✓Republican | 73.7% | 13,907 |
|---|---|---|
| Kamala HarrisDemocratic | 24.9% | 4,703 |
| Chase OliverLibertarian | 0.9% | 172 |
| Year | Margin (D minus R) |
|---|---|
| 1892 | +0.9% |
| 1896 | +1.7% |
| 1900 | −0.1% |
| 1904 | −6.4% |
| 1908 | −2.4% |
| 1912 | +16.8% |
| 1916 | +3.7% |
| 1920 | −13.2% |
| 1924 | −17.4% |
| 1928 | −30.1% |
| 1932 | +22.5% |
| 1936 | +10.9% |
| 1940 | −1.9% |
| 1944 | −3.5% |
| 1948 | +11.5% |
| 1952 | −11.4% |
| 1956 | −10.6% |
| 1960 | −12.9% |
| 1964 | +24.9% |
| 1968 | −2.8% |
| 1972 | −33.5% |
| 1976 | +3.5% |
| 1980 | −14.9% |
| 1984 | −34.0% |
| 1988 | −27.4% |
| 1992 | −9.2% |
| 1996 | −8.4% |
| 2000 | −23.3% |
| 2004 | −33.2% |
| 2008 | −22.4% |
| 2012 | −28.8% |
| 2016 | −46.6% |
| 2020 | −47.5% |
| 2024 | −48.7% |
| Year | Total registered |
|---|---|
| 2016 | 26,257 |
| 2018 | 25,315 |
| 2020 | 26,974 |
| 2022 | 26,583 |
| 2024 | 27,356 |
Centered on Sedalia, Pettis County has shifted decisively rightward over the past two decades, posting presidential margins that now rank among the widest in a state that itself has moved well outside competitive range.
Across the recorded series it reached a Democratic high of 24.9 points in 1964 and a Republican high of 48.7 points in 2024. Between 2020 and 2024 the county moved 1.2 points toward the Republican candidate; the 2024 margin was 48.7 points.
A population of 43,397, a 82% non-Hispanic-white share, and a median household income of $60,430 describe the county. The county's voting pattern over the last decade is most similar to that of Ripley County and Morgan County.
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Pettis County, Missouri. Akashic. https://akashic.app/county/29159/. Accessed May 20, 2026. License: CC BY 4.0.