Wisconsin State Assembly seat · lines in effect since 2024
Wisconsin Assembly District 99
A district of about 71,000 people, 45% of adults with a bachelor's degree. It votes R+32.6 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 | |
|---|---|
| U.S. Senate | R+33.0 |
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 99.
Higher than 84% of seats.
Lower than 65% of seats.
Lower than 87% of seats.
Lower than 72% of seats.
Lower than 68% of seats.
Denser than 53% 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 9744% college gradsR+34.2Held RDistrict 98
42% college gradsR+36.1Held RDistrict 84
40% college gradsR+38.7Held RDistrict 58
33% college gradsR+37.5Held 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.
- Barbara Dittrich (R)
2025– · Won 2024 by 95.0, 2026 unopposed
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)