Washington County, Missouri
| Donald Trump ✓Republican | 82.3% | 8,424 |
|---|---|---|
| Kamala HarrisDemocratic | 17.1% | 1,747 |
| Chase OliverLibertarian | 0.4% | 39 |
| Year | Margin (D minus R) |
|---|---|
| 1892 | +4.1% |
| 1896 | −3.0% |
| 1900 | −7.7% |
| 1904 | −10.9% |
| 1908 | −13.5% |
| 1912 | +2.4% |
| 1916 | −8.5% |
| 1920 | −17.4% |
| 1924 | −10.0% |
| 1928 | −18.1% |
| 1932 | +18.5% |
| 1936 | +0.6% |
| 1940 | −14.0% |
| 1944 | −16.8% |
| 1948 | +3.7% |
| 1952 | −10.8% |
| 1956 | −17.4% |
| 1960 | −12.9% |
| 1964 | +26.2% |
| 1968 | −6.1% |
| 1972 | −26.3% |
| 1976 | +16.7% |
| 1980 | −8.8% |
| 1984 | −11.4% |
| 1988 | +7.2% |
| 1992 | +25.6% |
| 1996 | +26.2% |
| 2000 | +0.3% |
| 2004 | −2.0% |
| 2008 | +0.1% |
| 2012 | −19.0% |
| 2016 | −54.9% |
| 2020 | −62.5% |
| 2024 | −65.2% |
| Year | Total registered |
|---|---|
| 2016 | 14,137 |
| 2018 | 14,309 |
| 2020 | 15,048 |
| 2022 | 14,934 |
| 2024 | 15,660 |
Washington County's R+65.2 margin in 2024 places it among Missouri's most lopsided presidential results, reflecting a predominantly rural, small-town electorate with limited economic diversification and a long shift away from its historically Democratic roots.
Across the recorded series it reached a Democratic high of 26.2 points in 1996 and a Republican high of 65.2 points in 2024. Between 2020 and 2024 the county moved 2.7 points toward the Republican candidate; the 2024 margin was 65.2 points.
A population of 23,470, a 92% non-Hispanic-white share, and a median household income of $56,043 describe the county. The county's voting pattern over the last decade is most similar to that of Harrison County and Iron County.
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Washington County, Missouri. Akashic. https://akashic.app/county/29221/. Accessed May 20, 2026. License: CC BY 4.0.