Illinois Senate

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Illinois State Senate
Illinois General Assembly
Coat of arms or logo
Term limits
New session started
January 14, 2015
John Cullerton (D)
Since Jan 14, 2009
Majority Leader
James Clayborne (D)
Since Nov 20, 2008
Minority Leader
Christine Radogno (R)
Since Nov 19, 2008
Seats 59
Layout of Illinois
Political groups
Authority Illinois Constitution Article IV
Salary $67,836/year + per diem
Last election
November 4, 2014
Next election
November 8, 2016
Redistricting Legislative Control
Meeting place
Illinois State Senate.jpg
State Senate Chamber
Illinois State Capitol
Springfield, Illinois
Illinois State Senate

The Illinois Senate is the upper chamber of the Illinois General Assembly, the legislative branch of the government of the state of Illinois in the United States. The body was created by the first state constitution adopted in 1818. The Illinois Senate is made up of 59 senators elected from individual legislative districts determined by population; redistricted every 10 years, based on the 2010 U.S. census each senator represents approximately 217,468 people.[1] Under the Illinois Constitution of 1970, senators are divided into three groups, each group having a two-year term at a different part of the decade between censuses, with the rest of the decade being taken up by two four-year terms.[2] Depending on the election year, roughly one-third, two-thirds, or all Senate seats may be contested. In contrast, the Illinois House of Representatives is made up of 118 members with its entire membership elected to two-year terms. House districts are formed by dividing each Senate district in half.[3]

The Illinois Senate convenes at the Illinois State Capitol in Springfield, Illinois. Its first official working day is the second Wednesday of January each year. Its primary duties are to pass bills into law, approve the state budget, confirm appointments to state departments and agencies, act on federal constitutional amendments and propose constitutional amendments for Illinois. It also has the power to override gubernatorial vetoes through a three-fifths majority vote. The Illinois Senate tries impeachments made by the House of Representatives, and can convict impeached officers by a two-thirds vote.

Voting in the Illinois Senate is done by members pushing one of three buttons. Unlike most states, the Illinois Senate allows members to vote yes, no, or present. It takes 30 affirmative votes to pass legislation during final action.[4][5] The number of negative votes does not matter. Therefore, voting present has the same effect on the tally as voting no.

The Democratic Party of Illinois currently holds a majority in the Illinois Senate.

Party summary

Affiliation Party
(Shading indicates majority caucus)
Democratic Republican Vacant
End of previous legislature 40 19 59 0
Begin 39 20 59 0
Latest voting share 66.1% 33.9%





  • Secretary of the Senate: Tim Anderson
  • Assistant Secretary of the Senate: Scott Kaiser
  • Sergeant-at-Arms: Joe Dominguez
  • Assistant Sergeant-at-Arms: Dirk R. Eilers

Members of the Illinois Senate

District Representative Party Residence Next
1 Munoz, AntonioAntonio Munoz Democratic Chicago 2016
2 Delgado, WilliamWilliam Delgado Democratic Chicago 2016
3 Hunter, MattieMattie Hunter Democratic Chicago 2018
4 Lightford, Kimberly A.Kimberly A. Lightford Democratic Chicago 2016
5 Van Pelt Watkins, PatriciaPatricia Van Pelt Watkins Democratic Chicago 2016
6 Cullerton, JohnJohn Cullerton Democratic Chicago 2018
7 Steans, HeatherHeather Steans Democratic Chicago 2016
8 Silverstein, IraIra Silverstein Democratic Chicago 2016
9 Biss, DanielDaniel Biss Democratic Evanston 2018
10 Mulroe, John G.John G. Mulroe Democratic Chicago 2016
11 Sandoval, MartinMartin Sandoval Democratic Chicago 2016
12 Landek, Steven MSteven M Landek Democratic Bridgeview 2018
13 Raoul, KwameKwame Raoul Democratic Chicago 2016
14 Jones III, EmilEmil Jones III Democratic Chicago 2016
15 Harris, NapoleonNapoleon Harris Democratic Flossmoor 2018
16 Collins, Jacqueline Y.Jacqueline Y. Collins Democratic Chicago 2016
17 Trotter, DonneDonne Trotter Democratic Chicago 2016
18 Cunningham, WilliamWilliam Cunningham Democratic Chicago 2018
19 Hastings, MichaelMichael Hastings Democratic Tinley Park 2016
20 Martinez, IrisIris Martinez Democratic Chicago 2016
21 Connelly, MichaelMichael Connelly Republican Lisle 2018
22 Noland, MichaelMichael Noland Democratic Elgin 2016
23 Cullerton, TomTom Cullerton Democratic Villa Park 2016
24 Nybo, ChrisChris Nybo Republican Elmhurst 2018
25 Oberweis, JimJim Oberweis Republican Sugar Grove 2016
26 Duffy, DanDan Duffy Republican Lake Barrington 2016
27 Murphy, MattMatt Murphy Republican Palatine 2018
28 Murphy, LauraLaura Murphy Democratic Des Plaines 2016
29 Morrison, JulieJulie Morrison Democratic Deerfield 2016
30 Link, TerryTerry Link Democratic Waukegan 2018
31 Bush, MelindaMelinda Bush Democratic Grayslake 2016
32 Althoff, PamelaPamela Althoff Republican McHenry 2016
33 McConnaughay, KarenKaren McConnaughay Republican St. Charles 2018
34 Stadelman, SteveSteve Stadelman Democratic Rockford 2016
35 Syverson, DaveDave Syverson Republican Rockford 2016
36 Anderson, NeilNeil Anderson Republican Rock Island 2018
37 Weaver, ChuckChuck Weaver Republican Peoria 2016
38 Rezin, SueSue Rezin Republican Morris 2016
39 Harmon, DonDon Harmon Democratic Oak Park 2018
40 Hutchinson, ToiToi Hutchinson Democratic Olympia Fields 2016
41 Radogno, ChristineChristine Radogno Republican Lemont 2016
42 Holmes, LindaLinda Holmes Democratic Aurora 2018
43 McGuire, PatPat McGuire Democratic Joliet 2016
44 Brady, BillBill Brady Republican Bloomington 2016
45 Bivins, TimTim Bivins Republican Dixon 2018
46 Koehler, DavidDavid Koehler Democratic Peoria 2016
47 Sullivan, John M.John M. Sullivan Democratic Rushville 2016
48 Manar, AndyAndy Manar Democratic Bunker Hill 2018
49 Bertino-Tarrant, JenniferJennifer Bertino-Tarrant Democratic Shorewood 2016
50 McCann, SamSam McCann Republican Carlinville 2016
51 Rose, ChapinChapin Rose Republican Mahomet 2018
52 Bennett, Scott M.Scott M. Bennett Democratic Champaign 2016
53 Barickman, JasonJason Barickman Republican Bloomington 2016
54 McCarter, KyleKyle McCarter Republican Lebanon 2018
55 Righter, DaleDale Righter Republican Mattoon 2016
56 Haine, William R.William R. Haine Democratic Alton 2016
57 Clayborne, Jr., JamesJames Clayborne, Jr. Democratic Belleville 2018
58 Luechtefeld, DavidDavid Luechtefeld Republican Okawville 2016
59 Forby, GaryGary Forby Democratic Benton 2016


  2. Illinois Constitution Article IV, Section 2(a)
  3. Illinois Constitution Article IV, Section 2(b)
  4. Gonzales, Nathan (February 13, 2007). "The Ever-'Present' Obama". The Rothenberg Political Report. Retrieved September 26, 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  5. Burnett, Sara (February 14, 2013). "Illinois Senate votes to legalize gay marriage". Associated Press. Retrieved September 26, 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

External links