Day County, South Dakota
| Donald Trump ✓Republican | 64.0% | 1,876 |
|---|---|---|
| Kamala HarrisDemocratic | 34.1% | 1,000 |
| Robert F KennedyIndependent | 1.2% | 36 |
| Year | Margin (D minus R) |
|---|---|
| 1892 | −20.2% |
| 1896 | +2.4% |
| 1900 | −16.9% |
| 1904 | −59.9% |
| 1908 | −29.4% |
| 1912 | +33.8% |
| 1916 | −29.6% |
| 1920 | −50.3% |
| 1924 | −47.4% |
| 1928 | −9.2% |
| 1932 | +31.1% |
| 1936 | +21.3% |
| 1940 | +0.3% |
| 1944 | −2.1% |
| 1948 | +12.5% |
| 1952 | −21.6% |
| 1956 | +5.7% |
| 1960 | +3.8% |
| 1964 | +25.7% |
| 1968 | +8.5% |
| 1972 | +15.9% |
| 1976 | +23.3% |
| 1980 | −17.3% |
| 1984 | −5.3% |
| 1988 | +13.8% |
| 1992 | +11.2% |
| 1996 | +15.8% |
| 2000 | −4.1% |
| 2004 | +4.1% |
| 2008 | +12.9% |
| 2012 | +6.2% |
| 2016 | −23.8% |
| 2020 | −27.6% |
| 2024 | −29.9% |
Day County's population has contracted by roughly a third since 1980, leaving an older, rural electorate concentrated in Webster that has shifted decisively toward Republican presidential candidates over the past two decades.
Across the recorded series it reached a Democratic high of 33.8 points in 1912 and a Republican high of 59.9 points in 1904. Between 2020 and 2024 the county moved 2.3 points toward the Republican candidate; the 2024 margin was 29.9 points.
A population of 5,437, a 83% non-Hispanic-white share, and a median household income of $66,033 describe the county. The county's voting pattern over the last decade is most similar to that of Iron County and Jasper 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 →
Day County, South Dakota. Akashic. https://akashic.app/county/46037/. Accessed May 20, 2026. License: CC BY 4.0.