Yankton County, South Dakota
| Donald Trump ✓Republican | 61.4% | 6,650 |
|---|---|---|
| Kamala HarrisDemocratic | 35.8% | 3,883 |
| Robert F KennedyIndependent | 2.0% | 220 |
| Year | Margin (D minus R) |
|---|---|
| 1892 | −43.4% |
| 1896 | −3.4% |
| 1900 | −12.6% |
| 1904 | −41.4% |
| 1908 | −18.2% |
| 1912 | +44.0% |
| 1916 | +0.3% |
| 1920 | −34.1% |
| 1924 | −21.4% |
| 1928 | −2.2% |
| 1932 | +48.1% |
| 1936 | +22.1% |
| 1940 | −15.4% |
| 1944 | −16.8% |
| 1948 | +0.5% |
| 1952 | −36.8% |
| 1956 | −15.3% |
| 1960 | −14.1% |
| 1964 | +7.7% |
| 1968 | −17.5% |
| 1972 | −6.5% |
| 1976 | −0.5% |
| 1980 | −30.4% |
| 1984 | −27.4% |
| 1988 | −5.1% |
| 1992 | −0.3% |
| 1996 | −1.2% |
| 2000 | −15.0% |
| 2004 | −16.9% |
| 2008 | −2.0% |
| 2012 | −12.7% |
| 2016 | −24.5% |
| 2020 | −23.5% |
| 2024 | −25.5% |
Yankton County's largest city, also called Yankton, functions as a regional hub for healthcare and retail, drawing workers from surrounding farm country. The county backed the Republican presidential nominee by 23.5 points in 2020.
Across the recorded series it reached a Democratic high of 48.1 points in 1932 and a Republican high of 43.4 points in 1892. Between 2020 and 2024 the county moved 2.0 points toward the Republican candidate; the 2024 margin was 25.5 points.
A population of 23,414, a 87% non-Hispanic-white share, and a median household income of $72,821 describe the county. The county's voting pattern over the last decade is most similar to that of Codington County and Griggs County.
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Yankton County, South Dakota. Akashic. https://akashic.app/county/46135/. Accessed May 20, 2026. License: CC BY 4.0.