2026 Illinois Senate election

1. District 9: Laura Fine is retiring to run for the U.S. House of Representatives in Illinois's 9th congressional district.^[2]
2. District 27: Mark L. Walker is retiring.^[3]

1. District 33: Don DeWitte is retiring.^[4]
2. District 59: Dale Fowler is retiring.^[5]

Only districts holding an election in 2026 are listed below.

• † denotes a retiring incument.

The 2nd district encompasses the Chicago neighborhoods of Ukrainian Village, Humboldt Park, and Belmont Cragin.^[7] The incumbent is Democrat Omar Aquino, who was re-elected in 2022 with 100% of the vote.^[8]

• Omar Aquino, incumbent state senator

The 3rd district encompasses the Chicago neighborhoods of Woodlawn, West Englewood, and Printer's Row.^[7] The incumbent is Democrat Mattie Hunter, who was re-elected in 2022 with 100% of the vote.^[8]

• Mattie Hunter, incumbent state senator

The 5th district encompasses the Chicago neighborhoods of West Garfield Park, Little Italy, and Pulaski Park.^[7] The incumbent is Democrat Lakesia Collins, who was re-elected in 2024 with 100% of the vote.^[8]

• Lakesia Collins, incumbent state senator

The 6th district includes the lakefront neighborhoods of Lake View, Lincoln Park, Buena Park and the Near North Side in the city of Chicago.^[7] The incumbent is Democrat Sara Feigenholtz, who was re-elected in 2022 unopposed.^[8]

• Nick Uniejewski, policy analyst and community organizer^[9]

• Sara Feigenholtz, incumbent state senator

The 8th district includes the suburban towns of Niles and Lincolnwood.^[7] The incumbent is Democrat Ram Villivalam, who was re-elected in 2022 with 100% of the vote.^[8]

• Ram Villivalam, incumbent state senator

The 9th district includes the suburban towns of Glenview, Evanston, and Winnetka.^[7] The incumbent is Democrat Laura Fine, who was re-elected in 2022 with 71.8% of the vote.^[8] In May 2025, Fine announced that she would run for the U.S. House of Representatives in Illinois's 9th congressional district.^[2]

• Patrick Hanley, president of the New Trier Democrats^[12]
• Rachel Ruttenberg, deputy committeeperson of the Evanston Democratic Party^[13]

• Laura Fine, incumbent state senator (running for IL-09)^[2]

The 11th district includes all or parts of Bedford Park, Berwyn, Bridgeview, Brookfield, Burbank, Cicero, Countryside, Hodgkins, Justice, La Grange, La Grange Park, North Riverside, Riverside, Summit and the Chicago neighborhoods of Ashburn, Clearing, Garfield Ridge, West Elsdon, and West Lawn.^[7] The incumbent is Democrat Mike Porfirio, who was elected in 2022 with 66.2% of the vote.^[8]

• Mike Porfirio, incumbent state senator

The 12th district includes the neighborhoods of South Lawndale, Brighton Park, and Chinatown.^[7] The incumbent is Democrat Celina Villanueva, who was elected in 2022 with 100% of the vote.^[8]

• Celina Villanueva, incumbent state senator

The 14th district stretches from the neighborhood of Princeton Park in Chicago to the suburban communities of Blue Island, Tinley Park, and Orland Park.^[7] The incumbent is Democrat Emil Jones III, who was re-elected in 2022 with 100% of the vote.^[8]

• Emil Jones III, incumbent state senator

The 15th district stretches from the town of Kankakee to the suburban communities of Dolton, Harvey, Oak Forest, and Flossmoor.^[7] The incumbent is Democrat Napoleon Harris, who was re-elected in 2022 with 100% of the vote.^[8]

• Napoleon Harris, incumbent state senator

The 17th district stretches from the town of Aroma Park, Illinois to the suburban communities of South Chicago, Hammond, and Lansing.^[7] The incumbent is Democrat Elgie Sims, who was re-elected in 2022 with 100% of the vote.^[8]

• Elgie Sims, incumbent state senator

The 18th district includes the suburban communities of Orland Park, Oak Lawn, and Evergreen Park.^[7] The incumbent is Democrat Bill Cunningham, who was re-elected in 2022 with 59.4% of the vote.^[8]

• Bill Cunningham, incumbent state senator

The 20th district includes the neighborhoods of Logan Square, Hermosa, and Albany Park in the city of Chicago.^[7] The incumbent is Democrat Graciela Guzmán, who was elected in 2024 with 81.2% of the vote.^[16]

• Graciela Guzmán, incumbent state senator

The 21st district includes the cities of Lombard, Glen Ellyn, and Naperville.^[7] The incumbent is Democrat Laura Ellman, who was re-elected in 2022 with 58.8% of the vote.^[8]

• Laura Ellman, incumbent state senator

The 23rd district includes the communities of Glendale Heights, Glen Ellyn, Villa Park, and Westmont.^[7] The incumbent is Democrat Suzy Glowiak, who was re-elected in 2022 with 54.6% of the vote.^[8]

• Suzy Glowiak, incumbent state senator

• Linda Polacek, York Center Park District commissioner^[9]

The 24th district includes the communities of Warrenville, Wheaton, Carol Stream, and Wood Dale.^[7] The incumbent is Republican Seth Lewis, who was elected in 2022 with 51.9% of the vote.^[8]

• Seth Lewis, incumbent state senator^[17]

• Benjamin McAdams, community organizer^[18]

The 26th district includes the communities of Wauconda, Palatine, and Algonquin.^[7] The incumbent is Republican Darby Hills, who was appointed to the seat in February 2025, following the resignation of then-state senator Dan McConchie.^[19] McConchie was re-elected with 50.2% of the vote in 2022.^[8]

• Darby Hills, incumbent state senator^[20]

• Nabeela Syed, state representative from the 51st district (2023–present)^[21]

The 27th district encompasses the communities of Arlington Heights, Illinois and Mount Prospect.^[7] The incumbent is Democrat Mark L. Walker, who was elected in 2024 with 57.6% of the vote.^[16]

• Carina Santa Maria, Arlington Heights trustee^[24]

• Mark L. Walker, incumbent state senator^[3]

The 29th district includes the communities of Lake Forest, Highland Park, Northbrook, and Deerfield.^[7] The incumbent is Democrat Julie Morrison, who was re-elected in 2022 with 100% of the vote.^[8]

• Julie Morrison, incumbent state senator^[25]

The 30th district stretches from the city of Waukegan to the communities of Mundelein, Vernon Hills, and Wheeling.^[7] The incumbent is Democrat Adriane Johnson, who was re-elected in 2022 with 100% of the vote.^[8]

• Adriane Johnson, incumbent state senator

The 32nd district contains parts of Lake and McHenry counties, including the communities of Woodstock, McHenry, Spring Grove, and Antioch.^[7] The incumbent is Republican Craig Wilcox, who was re-elected in 2022 with 55.9% of the vote.^[8]

• Craig Wilcox, incumbent state senator

The 33rd district includes the northeast corner of Kane County as well as the communities of Lake in the Hills and Crystal Lake in McHenry County.^[7] The incumbent is Republican Don DeWitte, who was re-elected in 2022 with 100% of the vote.^[8]

• Don DeWitte, incumbent state senator^[4]

The 35th district includes portions of Boone, DeKalb, Kane, McHenry, and Winnebago counties.^[7] The incumbent is Republican Dave Syverson, who was re-elected in 2022 with 100% of the vote.^[8]

• Dave Syverson, incumbent state senator

The 36th district contains portions of Rock Island County, Henry County, Mercer County, Knox County, McDonough County, and Warren County.^[7] The incumbent is Democrat Michael Halpin, who was elected in 2022 with 54.6% of the vote.^[8]

• Michael Halpin, incumbent state senator^[26]

The 38th district includes portions of DeKalb, Grundy, Kendall, and LaSalle counties.^[7] The incumbent is Republican Sue Rezin, who was re-elected in 2022 with 100% of the vote.^[8]

• Sue Rezin, incumbent state senator

The 39th district includes the communities of Oak Park, Elmwood Park, Franklin Park, and Addison in the suburbs of Chicago, as well as the O'Hare International Airport.^[7] The incumbent is Democrat Don Harmon, the president of the Illinois Senate, who was re-elected in 2022 with 100% of the vote.^[8]

• Don Harmon, incumbent state senator

The 41st district includes the communities of Downers Grove, Woodridge, Darien, and Lemont.^[7] The incumbent is Republican John Curran, the minority leader of the Illinois Senate, who was re-elected in 2022 with 100% of the vote.^[8]

• John Curran, incumbent state senator

The 42nd district includes all or parts of Aurora, Boulder Hill, Montgomery, Naperville, North Aurora and Oswego.^[7] The incumbent is Democrat Linda Holmes, who was re-elected in 2022 with 60.3% of the vote.^[8]

• Linda Holmes, incumbent state senator

• Eddie Perez, U.S. Air Force veteran^[27]

The 44th district includes all or portions of DeWitt, Logan, Macon, McLean, Piatt, and Tazewell counties in central Illinois.^[7] The incumbent is Republican Sally Turner, who was re-elected in 2022 with 100% of the vote.^[8]

• Sally Turner, incumbent state senator

The 45th district includes all or portions of Boone, Carroll, DeKalb, Jo Daviess, Ogle, Stephenson, and Winnebago counties in northwestern Illinois.^[7] The incumbent is Republican Andrew Chesney, who was elected in 2022 with 66.4% of the vote.^[8]

• Andrew Chesney, incumbent state senator

The 47th district includes all of Fulton, Hancock, Henderson, and Mason counties, as well as parts of Adams, Henry, Knox, McDonough, Mercer, Peoria, Schuyler, Stark, Tazewell, and Warren counties.^[7] The incumbent is Republican Neil Anderson, who was re-elected in 2022 with 100% of the vote.^[8]

• Neil Anderson, incumbent state senator^[28]

The 48th district stretches between the cities of Springfield and Decatur, including the communities of Rochester, Edinburg, and Mount Auburn.^[7] The incumbent is Democrat Doris Turner, who was elected in 2022 with 50.9% of the vote.^[8]

• Doris Turner, incumbent state senator^[29]

• Frank Lesko, Sangamon County Recorder (2024–present)^[30]

The 50th district covers a large swath of west-central Illinois, including all of Adams, Brown, Cass, Hancock, Henderson, Mason, McDonough, Schuyler, Warren counties and portions of Fulton and Knox counties.^[7] The incumbent is Republican Jil Tracy, who was re-elected in 2022 with 100% of the vote.^[8]

• Jil Tracy, incumbent state senator^[31]

The 51st district includes all or portions of Champaign, Clark, Coles, Cumberland, Douglas, Edgar, Jasper, Lawrence, and Vermilion counties.^[7] The incumbent is Republican Chapin Rose, who was re-elected in 2022 with 100% of the vote.^[8]

• Chapin Rose, incumbent state senator

The 53rd district includes all or portions of Bureau, Ford, Grundy, Iroquois, LaSalle, Marshall, McLean, Peoria, Putnam, Tazewell, Will, and Woodford counties in central Illinois.^[7] The incumbent is Republican Chris Balkema, who was elected in 2024 with 100% of the vote.^[16]

• Chris Balkema, incumbent state senator^[32]

The 54th district includes all or portions of Christian, Effingham, Macoupin, Macon, Menard, Montgomery, Moultrie, Sangamon, and Shelby counties.^[7] The incumbent is Republican Steve McClure, who was re-elected in 2022 with 100% of the vote.^[8]

• Steve McClure, incumbent state senator

The 56th district includes the cities of East Alton, Edwardsville, Granite City, and Collinsville. The incumbent is Republican Erica Harriss, who was elected in 2022 with 51.4% of the vote.^[8]

• Erica Harriss, incumbent state senator^[33]

• Kevin Hall, former Edwardsville Township Supervisor^[34]
• Marsie Geldert-Murphey, former ASCE President ^[35]

The 57th district encompasses most of St. Clair County, including the communities of Belleville, Mascoutah, and Cahokia Heights.^[7] The incumbent is Democrat Christopher Belt, who was re-elected in 2022 with 57.7% of the vote.^[8]

• Christopher Belt, incumbent state senator