Wisconsin State Senate seat · lines in effect since 2024

Wisconsin Senate District 23

A district of about 176,000 people, 19% of adults with a bachelor's degree. It votes R+35.9 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.

R+35.933rd most
Democratic
Most DemocraticMost Republican17th seat · the majority lineDistrict 23

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.

20242026
U.S. SenateR+31.9No race
Wisconsin State SenateNo raceR+30.2

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 23.

Adults with a bachelor's degree19% 0th pct · 33rd of 33 in WI

Lowest of 33 seats.

White adults without a degree76% 100th pct · 1st of 33 in WI

Highest of 33 seats.

Hispanic residents4% 25th pct · 25th of 33 in WI

Lower than 75% of seats.

Black residents1% 16th pct · 28th of 33 in WI

Lower than 84% of seats.

Asian residents0% 0th pct · 33rd of 33 in WI

Lowest of 33 seats.

People per square mile26 6th pct · 31st of 33 in WI

Less dense 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

Who has held it

These lines took effect in 2024.

  1. Romaine Quinn (R)
    2027– · Won 2026 by 30.2

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)