Jefferson, Wisconsin — Presidential Election Results
Jefferson, Wisconsin has voted Republican in 5 of the last 6 presidential elections on record (2000–2024). It most recently flipped to Republican in 2012.
Full Election History, 2000–2024
| Year | Winner | Party | Votes | Vote Share | Margin | Total Votes Cast | Swing |
|---|---|---|---|---|---|---|---|
| 2000 | George W. Bush | Republican | 19,204 | 53.2% | 11.1 pts (4,001 votes) | 36,099 | — |
| 2004 | George W. Bush | Republican | 23,776 | 56.5% | 13.9 pts (5,851 votes) | 42,115 | -2.4 pts |
| 2008 | Barack Obama | Democratic | 21,448 | 49.7% | 0.8 pts (352 votes) | 43,166 | +14.9 pts |
| 2012 | Mitt Romney | Republican | 23,517 | 53.1% | 7.6 pts (3,359 votes) | 44,281 | -8.5 pts |
| 2016 | Donald Trump | Republican | 23,410 | 54.3% | 15.9 pts (6,849 votes) | 43,146 | -9.4 pts |
| 2020 | Data not yet available for this cycle — see sourcing note below. | ||||||
| 2024 | Donald Trump | Republican | 28,771 | 57.4% | 16.3 pts (8,197 votes) | 50,146 | +0.5 pts |
Trend
Between 2000 and 2024, the two-party presidential margin in Jefferson shifted 5.0 points toward the Republican candidate, based on recorded county returns. This reflects the vote totals in this dataset only; no claim is made here about the causes of that shift.
Margin Over Time
Democratic candidate's margin (percentage points, two-party vote share). Positive values favor the Democratic candidate; negative values favor the Republican candidate.