Wisconsin State Assembly seat · lines in effect since 2024

Wisconsin Assembly District 66

A district of about 61,000 people, 29% of adults with a bachelor's degree. It votes D+10.0 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.

D+10.030th most
Democratic
Most DemocraticMost Republican50th seat · the majority lineDistrict 66

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. SenateD+11.0No race
Wisconsin State AssemblyD+8.0D+19.8

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 66.

Adults with a bachelor's degree29% 38th pct · 62nd of 99 in WI

Lower than 62% of seats.

White adults without a degree47% 26th pct · 74th of 99 in WI

Lower than 74% of seats.

Hispanic residents16% 93rd pct · 8th of 99 in WI

Higher than 93% of seats.

Black residents14% 93rd pct · 8th of 99 in WI

Higher than 93% of seats.

Asian residents2% 43rd pct · 57th of 99 in WI

Lower than 57% of seats.

People per square mile1,463 72nd pct · 28th of 99 in WI

Denser than 72% 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. Greta Neubauer (D)
    2025– · Won 2024 by 8.0, 2026 by 19.8

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