U.S. House seat · lines in effect since 2022
Wisconsin's 1st District
A district of about 719,000 people, 31% of adults with a bachelor's degree. It votes R+4.0 relative to the nation for president.
Source: 2026 results: civicAPI; boundaries: Census Bureau TIGER/LineUpdated Nov 7, 2026, 3:01 PM ET
Where it sits among all 435 seats
Every U.S. House seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.
Democratic
Labels below the bar mark 7 other seats in Wisconsin.
Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2022 | 2024 | 2026 | |
|---|---|---|---|
| U.S. Senate | No race | R+2.7 | No race |
| U.S. House | R+8.9 | R+10.2 | D+3.9 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 7, 2026, 3:01 PM ET
Who lives here, compared
Grey bars show the spread of all 435 seats. Small marks are other seats in Wisconsin. The black marker is WI-1.
Lower than 61% of seats.
Higher than 82% of seats.
Higher than 50% of seats.
Lower than 56% of seats.
Lower than 73% of seats.
Less dense than 55% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean. 2 of the 4 flipped this year.
MI-433% college gradsR+5.2Flipped DPA-8
27% college gradsR+6.9Flipped DWA-3
29% college gradsR+3.4Held DOH-9
28% college gradsR+9.7Held D
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Who has held it
These lines took effect in 2022.
- Mitchell Berman (D)
2027– · Won 2026 by 3.9 - Bryan Steil (R)
2023–2027 · Won 2022 by 8.9, 2024 by 10.2
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)