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  WI State Senate
Name Republican Party Control
Votes19 (57.58%)
Margin5 (+15.15%)
Term01/05/2015 - 01/02/2017
 Senate President 
 President Pro Tempore 
 Majority Leader 
 Assistant Majority Leader 
 Majority Caucus Chair 
 Majority Caucus Vice Chair 
 Minority Leader 
 Assistant Minority Leader 
 Minority Caucus Chair 
 Minority Caucus Vice Chair 
State Senate
  WI State Senate 01  Frank G. Lasee 2 14 +23.07%
  WI State Senate 02  Robert L. Cowles 9 12 +97.08%
  WI State Senate 03  Tim Carpenter 4 14 +100.00%
  WI State Senate 04  Lena C. Taylor 3 12 +73.50%
  WI State Senate 05  Leah Vukmir 2 14 +47.24%
  WI State Senate 06  Nikiya Harris 1 12 +97.44%
  WI State Senate 07  Chris Larson 2 14 +19.27%
  WI State Senate 08  Alberta Darling 7 12 +91.73%
  WI State Senate 09  Devin Lemahieu 1 14 +19.92%
  WI State Senate 10  Sheila E. Harsdorf 5 12 +18.45%
  WI State Senate 11  Stephen L. Nass 1 14 +26.69%
  WI State Senate 12  Tom Tiffany 1 12 +15.79%
  WI State Senate 13  Scott Fitzgerald 7 14 +25.42%
  WI State Senate 14  Luther S. Olsen 4 12 +15.13%
  WI State Senate 15  Janis Ringhand 1 14 +18.97%
  WI State Senate 16  Mark Miller 3 12 +97.45%
  WI State Senate 17  Howard Marklein 1 14 +10.22%
  WI State Senate 18  Rick Gudex 1 12 +0.70%
  WI State Senate 19  Roger J. Roth, Jr. 1 14 +14.42%
  WI State Senate 20  Duey Stroebel 0 15 +97.64%
  WI State Senate 21  Van H. Wanggaard 2 14 +23.06%
  WI State Senate 22  Robert W. Wirch 5 12 +39.29%
  WI State Senate 23  Terry Moulton 3 14 +22.25%
  WI State Senate 24  Julie M. Lassa 3 12 +13.27%
  WI State Senate 25  Janet Bewley 1 14 +2.59%
  WI State Senate 26  Fred Risser 13 12 +97.86%
  WI State Senate 27  Jon Erpenbach 5 14 +100.00%
  WI State Senate 28  Mary A. Lazich 4 12 +26.87%
  WI State Senate 29  Jerry J. Petrowski 1 14 +31.48%
  WI State Senate 30  Dave Hansen 4 12 +8.55%
  WI State Senate 31  Kathleen Vinehout 3 14 +4.73%
  WI State Senate 32  Jennifer Shilling 2 12 +16.64%
  WI State Senate 33  Chris Kapenga 0 15 +44.14%

State Government DETAILS
Parents > United States > Wisconsin  
Established May 29, 1848
Disbanded Still Active
Last ModifiedRP May 03, 2011 07:35am
DescriptionThe Wisconsin Senate, the powers of which are modeled after those of the U.S. Senate, is the upper house of the Wisconsin State Legislature, smaller than the Wisconsin State Assembly. Together, they comprise the legislative branch of the state of Wisconsin.

The Wisconsin Constitution ties the size of the State Senate to that of the Assembly, by limiting its size to no less than 1/4, nor more than 1/3, of the size of the Assembly. Currently, Wisconsin is divided into 33 Senate Districts (1/3 of the current Assembly membership of 99) apportioned throughout the state based on population as determined by the decennial census, for a total of 33 senators. Similar to the U.S. Senate, in addition to its duty of reviewing and voting on all legislation passed through the legislature, the State Senate has the exclusive responsibility of confirming certain gubernatorial appointments, particularly cabinet secretaries (as part of the system of checks and balances) and members of boards and commissions.

Senators are elected for four-year terms, staggered so that half the Senate is up for election every two years. If a vacancy occurs in a Senate seat between elections, it may be filled only by a special election.

The Senate chamber is in the south wing of the State Capitol, in Madison, Wisconsin.

Wisconsin legislators take office on the first Monday in January following a general election.


WI State Senate Districts 2013-2023 Jan 7, 2013-Jan 2, 2023


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Start Date End Date Type Title Contributor

Title Purchase Contributor

Date Category Headline Article Contributor
Jun 12, 2013 12:15pm News Ruckus in Wisconsin Senate: Republicans push through ultrasound bill after silencing Democrats  Article Andy 
Mar 14, 2011 05:10pm Blog Entry Fitzgerald: Dem senators won't be allowed to vote in committees  Article Homegrown Democrat 
Mar 09, 2011 06:30pm Proposed Legislation [WI] GOP Bypassing Dems On Collective Bargaining  Article RP 
Mar 07, 2011 09:35am News Wisconsin Democrats Propose Border Meeting With Scott Walker  Article Homegrown Democrat 
Mar 03, 2011 01:00pm Rule Change Senate Moves To Bring 'Wisconsin 14' Back, Possibly By Force  Article RP 
Feb 20, 2011 01:00pm News Redistricting: Why the Wisconsin protests won’t matter and the Democrats and their union allies will ultimately lose  Article excelsior 

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