Trempealeau County, Wisconsin
| Donald Trump ✓Republican | 60.1% | 9,661 |
|---|---|---|
| Kamala HarrisDemocratic | 38.7% | 6,219 |
| Robert F KennedyIndependent | 0.6% | 97 |
| Year | Margin (D minus R) |
|---|---|
| 1892 | −15.1% |
| 1896 | −39.1% |
| 1900 | −46.0% |
| 1904 | −54.7% |
| 1908 | −53.4% |
| 1912 | −13.4% |
| 1916 | −14.7% |
| 1920 | −71.5% |
| 1924 | −25.7% |
| 1928 | −30.6% |
| 1932 | +33.2% |
| 1936 | +26.3% |
| 1940 | −1.4% |
| 1944 | −2.4% |
| 1948 | +12.5% |
| 1952 | −23.5% |
| 1956 | −8.7% |
| 1960 | −2.9% |
| 1964 | +31.9% |
| 1968 | −9.3% |
| 1972 | −14.8% |
| 1976 | +7.5% |
| 1980 | −5.0% |
| 1984 | −5.2% |
| 1988 | +11.7% |
| 1992 | +20.3% |
| 1996 | +26.1% |
| 2000 | +13.8% |
| 2004 | +15.6% |
| 2008 | +26.4% |
| 2012 | +14.1% |
| 2016 | −12.6% |
| 2020 | −16.6% |
| 2024 | −21.4% |
Trempealeau County sits along the Wisconsin–Minnesota border where the Mississippi River defines both its geography and its economy. Once reliably competitive, it has shifted toward Republican presidential margins exceeding 20 points as its largely rural, non-college workforce realigned through the 2010s and 2020s.
Across the recorded series it reached a Democratic high of 33.2 points in 1932 and a Republican high of 71.5 points in 1920. Between 2020 and 2024 the county moved 4.8 points toward the Republican candidate; the 2024 margin was 21.4 points.
A population of 30,839, a 84% non-Hispanic-white share, and a median household income of $76,313 describe the county. The county's voting pattern over the last decade is most similar to that of Jackson County and Freeborn County.
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Trempealeau County, Wisconsin. Akashic. https://akashic.app/county/55121/. Accessed May 20, 2026. License: CC BY 4.0.