Posted: July 14, 2010
Updated: July 23, 2010
Original numbers based on nomination papers filed with the Government Accountability Board (GAB) by 5:00 PM, July 13, 2010 and published at 11:55 PM the same night. Current numbers represent changes made by the GAB as of July 22. An asterisk (*) indicates a change from the original posting.
Number of legislative districts up for reelection in 2010: 116 – 17 in the Senate and all 99 in the Assembly.
Number of legislative candidates on the primary ballot for all legislative districts: 312*
Number of seats in the Legislature left "open" by departing incumbents: 23 – three in the Senate and 20 in the Assembly. That's 20% of all districts up for election.
Number of legislative candidates on the primary ballot for the open seats: 97* (31% of all candidates)
Number of the 23 open seats with both Democratic and Republican primaries: 2
Number of Democratic candidates for the Legislature: 116*
Number of Democratic incumbents: 52
Number of Republican candidates: 170*
Number of Republican incumbents: 40
Number of Libertarian candidates: 7*
Number of Independents: 18*
Number of Independent incumbents: 1, Bob Ziegelbauer, 25th Assembly District, formerly a Democrat.
Number of Wisconsin Green Party candidates: 1
Number of legislative incumbents with primary challengers: 13 (six Democrats and seven Republicans.)
Number of incumbents unopposed in both the primary and November elections: 17 (six Democrats and eleven Republicans).
Number of districts with only one candidate on the November ballot: 25 (Eight Democrats and seventeen Republicans. See table below).
S: Senate A: AssemblyD: Democrat R: Republican
†Incumbent in a primary. All unopposed candidates are incumbents.
‡Primary candidates in an open seat. The winner faces no opposition in November.
|A03||Al Ott (R)|
|A06||Gary Tauchen (R)|
|A09||Josh Zepnick (D)|
|A11||Jason M. Fields (D)|
|A14||David L. Coon, Dennis Kaun, Dale P. Kooyenga, Chris Maurer, Michael Olen or Ryan Shulander*‡ (R)|
|A16||James Dieter or Leon Young† (D)|
|A17||Mike Erdmann or Barbara L. Toles† (D)|
|A18||Tamara D. Grigsby (D)|
|A23||Jim Ott (R)|
|A33||Joe Deklotz, Brian Dorow, Chris Kapenga or Steve Ksobiech‡ (R)|
|A39||Jeff Fitzgerald (R)|
|A53||Richard J. Spanbauer (R)|
|A55||Dean Kaufert (R)|
|A56||Michelle Litjens, Jim Pleuss or Jay Schroeder‡ (R)|
|A58||Jeff Kling or Pat Strachota† (R)|
|A59||Daniel R. LeMahieu (R)|
|A60||Mark Gottlieb (R)|
|A63||Robin Vos (R)|
|A65||John Steinbrink (D)|
|A69||Scott Suder (R)|
|A78||Mark Pocan (D)|
|A81||Kelda Helen Roys (D)|
|A82||Larry Gamble or Jeff Stone† (R)|
|S19||Michael Ellis (R)|
|S33||Tim Dietrich or Rich Zipperer‡ (R)|