2010 Wisconsin State Assembly election

The 2010 Wisconsin State Assembly elections were held on Tuesday, November 2, 2010. All 99 seats in the Wisconsin State Assembly were up for election. Before the election, 49 Assembly seats were held by Democrats, 45 seats were held by Republicans, 2 were held by independents, and 3 seats were vacant. The primary election was held on September 14, 2010.

Republicans flipped 15 seats for a net gain of 14 seats, reclaiming the Assembly majority. They were set to enter the 100th Wisconsin Legislature with 60 of 99 State Assembly seats, but three members resigned before the start of the term.

Elected members took office on January 3, 2011.

The Democratic Party had won control of the Assembly from the Republicans in the 2008 elections, establishing a governmental trifecta. The Republican Party heavily targeted control of the chamber through project REDMAP, desiring to control the state's redistricting process required after the 2010 census.

Republicans won a sizeable majority in the Assembly, 60 seats to the Democrats' 38, with one Independent. Alongside concurrent elections for the governorship and the Senate, Republicans, took over the entirety of Wisconsin's state government from the Democrats.

Seats where the margin of victory was under 10%:

1. State Assembly district 93, 0.33% (gain)
2. State Assembly district 68, 0.43% (gain)
3. State Assembly district 26, 0.84% (gain)
4. State Assembly district 42, 1.43%
5. State Assembly district 88, 1.65% (gain)
6. State Assembly district 92, 1.72%
7. State Assembly district 15, 2.05%
8. State Assembly district 75, 2.17% (gain)
9. State Assembly district 44, 3.05% (gain)
10. State Assembly district 51, 4.29% (gain)
11. State Assembly district 37, 4.44%
12. State Assembly district 43, 5.03% (gain)
13. State Assembly district 57, 5.06%
14. State Assembly district 72, 5.24% (gain)
15. State Assembly district 80, 5.68% (gain)
16. State Assembly district 74, 6.04%
17. State Assembly district 20, 6.58%
18. State Assembly district 70, 7.58%
19. State Assembly district 45, 8.75% (gain)
20. State Assembly district 85, 9.38%
21. State Assembly district 62, 9.69%

• Chuck Benedict (D–Beloit), representing District 45 since 2004, did not run for re-election.

• Spencer Black (D–Madison), representing District 77 since 1984, did not run for re-election.

• Donald Friske (R–Merrill), representing District 35 since 2000, did not run for re-election.

• Steve Hilgenberg (D–Dodgeville), representing District 51 since 2006, did not run for re-election after being diagnosed with cancer.

• Mary Hubler (D–Rice Lake), representing District 75 since 1984, did not run for re-election.

• Thomas Lothian (R–Williams Bay), representing District 32 since 2002, did not run for re-election.

• Phil Montgomery (R–Green Bay), representing District 4 since 1998, did not run for re-election.

• Scott Newcomer (R–Pewaukee), representing District 33 since 2006, did not run for re-election.

• Kitty Rhoades (R–Hudson), representing District 30 since 1998, did not run for re-election.

• John Townsend (R–Fond du Lac), representing District 52 since 1998, did not run for re-election.

• Annette Polly Williams (D–Milwaukee), representing District 10 since 1992 and a member of the Assembly since 1980, did not run for re-election.

• Jeffrey Wood (I–Chippewa Falls), representing District 67 since 2002, did not run for re-election.

• Brett Davis (R–Oregon), representing District 80 since 2004, ran for lieutenant governor of Wisconsin but lost in the primary.

• Tom Nelson (D–Kaukauna), representing District 5 since 2004, ran for lieutenant governor of Wisconsin but lost the general election.

• Roger Roth (R–Appleton), representing District 56 since 2006, ran for U.S. House of Representatives in Wisconsin's 8th congressional district but lost in the primary.

• Leah Vukmir (R–Wauwatosa), representing District 14 since 2002, ran for state Senate in the 5th Senate district and won the election.

• Rich Zipperer (R–Pewaukee), representing District 98 since 2006, ran for state Senate in the 33rd Senate district and won the election.

• Pedro Colón (D–Milwaukee), representing District 8 since 1998, resigned after his appointment as a Wisconsin circuit court judge.

• Mark Gundrum (R–New Berlin), representing District 84 since 1998, resigned after his election as a Wisconsin circuit court judge.

• Gary Sherman (D–Port Wing), representing District 74 since 1998, resigned after his appointment to the Wisconsin Court of Appeals.

• 2010 Wisconsin elections
  • 2010 Wisconsin gubernatorial election
  • 2010 Wisconsin Senate election
  • 2010 United States Senate election in Wisconsin
  • 2010 United States House of Representatives elections in Wisconsin
• 2010 United States elections
• Wisconsin State Assembly
• Elections in Wisconsin
• Redistricting in Wisconsin