Wisconsin State Senate seat · lines in effect since 2024
Wisconsin Senate District 4
A district of about 193,000 people, 58% Black, 28% of adults with a bachelor's degree. It votes D+69.3 relative to the nation for president.
Where it sits among all 33 seats
Every Wisconsin State Senate 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 | |
|---|---|
| U.S. Senate | D+69.1 |
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 33 seats. Small marks are other seats in Wisconsin. The black marker is District 4.
Lower than 62% of seats.
Lower than 97% of seats.
Higher than 50% of seats.
Highest of 33 seats.
Higher than 94% of seats.
Denser than 94% 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 655% Black · 30% college gradsD+70.6Not up in 2026District 26
58% college gradsD+71.1Not up in 2026District 7
44% college gradsD+29.5Held DDistrict 27
62% college gradsD+54.3Held 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