Leavenworth County, Kansas
| Donald Trump ✓Republican | 60.3% | 22,055 |
|---|---|---|
| Kamala HarrisDemocratic | 37.6% | 13,732 |
| Robert F KennedyOther | 1.3% | 484 |
| Year | Margin (D minus R) |
|---|---|
| 1892 | −47.0% |
| 1896 | +7.6% |
| 1900 | −0.6% |
| 1904 | −33.3% |
| 1908 | −11.4% |
| 1912 | +6.9% |
| 1916 | +3.8% |
| 1920 | −32.7% |
| 1924 | −46.5% |
| 1928 | −12.8% |
| 1932 | +18.8% |
| 1936 | −3.2% |
| 1940 | −16.8% |
| 1944 | −17.6% |
| 1948 | +2.0% |
| 1952 | −22.6% |
| 1956 | −23.3% |
| 1960 | −6.4% |
| 1964 | +14.8% |
| 1968 | −10.5% |
| 1972 | −38.0% |
| 1976 | −2.3% |
| 1980 | −16.8% |
| 1984 | −25.5% |
| 1988 | −5.9% |
| 1992 | +1.5% |
| 1996 | −7.5% |
| 2000 | −12.2% |
| 2004 | −18.0% |
| 2008 | −11.6% |
| 2012 | −19.6% |
| 2016 | −24.2% |
| 2020 | −21.2% |
| 2024 | −22.8% |
Leavenworth County's large military and correctional-facility workforce shapes its demographics in ways that set it apart from neighboring suburban Kansas counties, even as it trends reliably Republican in federal contests by margins exceeding 20 points.
Across the recorded series it reached a Democratic high of 18.8 points in 1932 and a Republican high of 47.0 points in 1892. Between 2020 and 2024 the county moved 1.6 points toward the Republican candidate; the 2024 margin was 22.8 points.
A population of 83,123, a 77% non-Hispanic-white share, and a median household income of $89,218 describe the county. The county's voting pattern over the last decade is most similar to that of Cowley County and Cass County.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Leavenworth County, Kansas. Akashic. https://akashic.app/county/20103/. Accessed May 20, 2026. License: CC BY 4.0.