Jefferson County, Wisconsin
AkashicJefferson County, WITrumpR+16.3
2024 precinct map of Jefferson CountyPrecinct-level 2024 presidential results for Jefferson County, with each precinct boundary colored by Democratic-vs-Republican margin, and gold where an independent or third-party candidate carried the precinct.
How it voted
Share of the 2024 vote
| Donald Trump ✓Republican | 57.4% | 28,771 |
|---|---|---|
| Kamala HarrisDemocratic | 41.0% | 20,574 |
| Robert F KennedyIndependent | 0.6% | 294 |
Harris +50Trump +50
34 precincts · 50,146 votes. Hover any precinct for its result.
The precinct map shows the 2024 presidential vote; the timeline scrubs the county’s overall result across 1892–2024.
38 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 41.0%Harris20,574 | 57.4%Trump28,771 | 0.6%Kennedy294 | 50,146 | ||
| R | 41.5%Biden19,904 | 56.7%Trump27,208 | 1.3%Jorgensen634 | 47,979 | ||
| R | 38.4%Clinton16,569 | 54.3%Trump23,417 | 3.9%Johnson1,662 | 43,109 | ||
| R | 45.5%Obama20,158 | 53.1%Romney23,517 | 0.7%Gray303 | 44,281 | ||
| D | 49.7%Obama21,448 | 48.9%McCain21,096 | 1.4%Nader622 | 43,166 | ||
| R | 42.6%Kerry17,925 | 56.5%Bush23,776 | 1.0%Nader414 | 42,115 | ||
| R | 42.1%Gore15,203 | 53.2%Bush19,204 | 3.8%Nader1,361 | 36,099 | ||
| D | 44.3%Clinton13,188 | 42.6%Dole12,681 | 10.7%Perot3,177 | 29,774 | ||
| R | 35.3%Clinton11,593 | 39.9%Bush13,072 | 24.3%Perot7,960 | 32,802 | ||
| R | 44.9%Dukakis11,816 | 54.3%Bush14,309 | 0.8%Scattering217 | 26,342 | ||
| R | 37.5%Mondale10,788 | 61.8%Reagan17,780 | 0.8%Bergland216 | 28,784 | ||
| R | 37.8%Carter11,335 | 53.9%Reagan16,174 | 8.3%Anderson2,491 | 30,000 | ||
| R | 43.7%Carter12,577 | 53.9%Ford15,528 | 2.5%McCarthy707 | 28,812 | ||
| R | 37.8%McGovern9,303 | 59.5%Nixon14,621 | 2.7%Schmitz663 | 24,587 | ||
| R | 38.4%Humphrey8,716 | 55.0%Nixon12,478 | 6.6%Wallace1,504 | 22,698 | ||
| D | 60.2%Johnson13,295 | 39.6%Goldwater8,741 | 0.2%Hass48 | 22,084 | ||
| R | 38.2%Kennedy8,757 | 61.6%Nixon14,133 | 0.2%Byrd39 | 22,929 | ||
| R | 32.4%Stevenson6,452 | 67.0%Eisenhower13,357 | 0.6%Andrews122 | 19,931 | ||
| R | 32.9%Stevenson6,827 | 66.9%Eisenhower13,884 | 0.2%Hallinan32 | 20,743 | ||
| R | 46.1%Truman7,256 | 52.4%Dewey8,244 | 1.4%Thurmond228 | 15,728 | ||
| R | 40.4%Roosevelt6,988 | 59.2%Dewey10,245 | 0.5%Thomas84 | 17,317 | ||
| R | 43.2%Roosevelt7,842 | 56.0%Willkie10,178 | 0.8%Thomas149 | 18,169 | ||
| D | 64.3%Roosevelt11,144 | 32.3%Landon5,599 | 3.4%Lemke581 | 17,324 | ||
| D | 68.3%Roosevelt11,230 | 30.8%Hoover5,062 | 0.9%Thomas156 | 16,448 | ||
| R | 41.9%Smith6,305 | 57.3%Hoover8,612 | 0.8%Thomas116 | 15,033 | ||
| O | 10.1%Davis1,374 | 31.2%Coolidge4,250 | 58.7%La Follette7,987 | 13,611 | ||
| R | 16.7%Cox1,844 | 80.4%Harding8,865 | 2.9%Debs320 | 11,029 | ||
| R | 47.7%Wilson3,645 | 49.6%Hughes3,785 | 2.7%Benson206 | 7,636 | ||
| D | 62.4%Wilson4,381 | 27.4%Taft1,926 | 10.2%Roosevelt714 | 7,021 | ||
| D | 56.6%Bryan4,492 | 40.4%Taft3,207 | 2.9%Debs233 | 7,932 | ||
| D | 49.1%Parker3,778 | 47.7%Roosevelt3,669 | 3.2%Debs249 | 7,696 | ||
| D | 51.2%Bryan4,127 | 46.2%McKinley3,729 | 2.6%Woolley207 | 8,063 | ||
| R | 42.4%Bryan3,504 | 52.6%McKinley4,344 | 5.0%Palmer409 | 8,257 | ||
| D | 61.5%Cleveland4,661 | 35.4%Harrison2,679 | 3.1%Weaver235 | 7,575 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | +26.2% |
| 1896 | −10.2% |
| 1900 | +4.9% |
| 1904 | +1.4% |
| 1908 | +16.2% |
| 1912 | +35.0% |
| 1916 | −1.8% |
| 1920 | −63.7% |
| 1924 | −21.1% |
| 1928 | −15.3% |
| 1932 | +37.5% |
| 1936 | +32.0% |
| 1940 | −12.9% |
| 1944 | −18.8% |
| 1948 | −6.3% |
| 1952 | −34.0% |
| 1956 | −34.6% |
| 1960 | −23.4% |
| 1964 | +20.6% |
| 1968 | −16.6% |
| 1972 | −21.6% |
| 1976 | −10.2% |
| 1980 | −16.1% |
| 1984 | −24.3% |
| 1988 | −9.5% |
| 1992 | −4.5% |
| 1996 | +1.7% |
| 2000 | −11.1% |
| 2004 | −13.9% |
| 2008 | +0.8% |
| 2012 | −7.6% |
| 2016 | −15.9% |
| 2020 | −15.2% |
| 2024 | −16.3% |
DemocraticRepublican
Jefferson County sits in the Glacial Drumlin region southwest of Milwaukee, where a manufacturing and agricultural economy anchors a largely white, working-class electorate. Its 2024 margin of R+16.4 reflects a long drift from the competitive swings it recorded in the early 2000s.
Across the recorded series it reached a Democratic high of 37.5 points in 1932 and a Republican high of 63.7 points in 1920. Between 2020 and 2024 the county moved 1.1 points toward the Republican candidate; the 2024 margin was 16.3 points.
A population of 86,003, a 87% non-Hispanic-white share, and a median household income of $83,750 describe the county. The county's voting pattern over the last decade is most similar to that of Calumet County and Dubois County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Jefferson County, Wisconsin. Akashic. https://akashic.app/county/55055/. Accessed May 20, 2026. License: CC BY 4.0.
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Cities & towns in Jefferson County
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Frequently asked questions
How did Jefferson County, Wisconsin vote in 2024?
In 2024, Jefferson County, Wisconsin voted Republican by 16.3 points (R+16.3), carried by the Republican candidate. Out of 50,146 votes cast, 20,574 went Democratic and 28,771 went Republican.
When did Jefferson County, Wisconsin last vote Democratic?
The most recent presidential election in which Jefferson County, Wisconsin voted Democratic was 2008.
How many people live in Jefferson County, Wisconsin?
Jefferson County, Wisconsin has a population of 86,003 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Jefferson County, Wisconsin?
Median household income in Jefferson County, Wisconsin is $83,750 — above the national median of $80,734. The Wisconsin state median is $77,485.
What is the political history of Jefferson County, Wisconsin?
Akashic tracks 38 presidential elections in Jefferson County, Wisconsin from 1876 to 2024. Of those, 10 went Democratic and 23 went Republican.