Wisconsin State Assembly seat · lines in effect since 2024
Wisconsin Assembly District 4
A district of about 53,000 people, 31% of adults with a bachelor's degree. It votes R+28.9 relative to the nation for president.
Where it sits among all 99 seats
Every Wisconsin State Assembly 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
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.
| 2024 | 2026 | |
|---|---|---|
| U.S. Senate | R+27.1 | No race |
| Wisconsin State Assembly | R+32.4 | R+23.7 |
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 99 seats. Small marks are other seats in Wisconsin. The black marker is District 4.
Higher than 54% of seats.
Higher than 72% of seats.
Lower than 88% of seats.
Higher than 53% of seats.
Lower than 85% of seats.
Less dense than 68% 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.
District 2829% college gradsR+30.4Held RDistrict 33
31% college gradsR+29.5Held RDistrict 27
26% college gradsR+30.3Held RDistrict 56
32% college gradsR+27.4Held R
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 2024.
- David Steffen (R)
2025– · Won 2024 by 32.4, 2026 by 23.7
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)