DeKalb County, Missouri
| Donald Trump ✓Republican | 80.7% | 3,885 |
|---|---|---|
| Kamala HarrisDemocratic | 18.1% | 870 |
| Chase OliverLibertarian | 0.9% | 43 |
| Year | Margin (D minus R) |
|---|---|
| 1892 | +1.0% |
| 1896 | +15.2% |
| 1900 | +4.7% |
| 1904 | −4.7% |
| 1908 | −2.1% |
| 1912 | +17.1% |
| 1916 | +0.2% |
| 1920 | −17.0% |
| 1924 | −7.0% |
| 1928 | −27.4% |
| 1932 | +18.0% |
| 1936 | −3.4% |
| 1940 | −10.1% |
| 1944 | −15.1% |
| 1948 | −1.6% |
| 1952 | −26.8% |
| 1956 | −15.1% |
| 1960 | −18.8% |
| 1964 | +16.6% |
| 1968 | −17.1% |
| 1972 | −34.8% |
| 1976 | +7.5% |
| 1980 | −9.9% |
| 1984 | −19.8% |
| 1988 | +2.8% |
| 1992 | +7.5% |
| 1996 | +1.4% |
| 2000 | −19.8% |
| 2004 | −26.3% |
| 2008 | −25.6% |
| 2012 | −42.8% |
| 2016 | −58.7% |
| 2020 | −59.7% |
| 2024 | −62.6% |
| Year | Total registered |
|---|---|
| 2016 | 6,570 |
| 2018 | 6,495 |
| 2020 | 6,789 |
| 2022 | 6,657 |
| 2024 | 6,778 |
With roughly 11,600 residents concentrated in small towns and farmland, De Kalb County has delivered Republican presidential margins above 60 points, reflecting a broader realignment of sparsely populated northwest Missouri.
Across the recorded series it reached a Democratic high of 18.0 points in 1932 and a Republican high of 62.6 points in 2024. Between 2020 and 2024 the county moved 2.9 points toward the Republican candidate; the 2024 margin was 62.6 points.
A population of 10,876, a 87% non-Hispanic-white share, and a median household income of $69,826 describe the county. The county's voting pattern over the last decade is most similar to that of Alleghany County and Marion County.
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DeKalb County, Missouri. Akashic. https://akashic.app/county/29063/. Accessed May 20, 2026. License: CC BY 4.0.