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Information Gathered By: Chicago Sun-Times Editorial Board
Site Design and Development: Andy Boyle and Caroline Hurley, based off work by Tanveer Ali
On March 17, Illinois voters will head to the polls to vote in the Democratic or Republican primaries. They will choose a candidate for president, U.S. Senate, U.S. House of Representatives and the Illinois Legislature. Local races in the Chicago area include Cook County State’s Attorney, the Illinois Supreme Court, the Metropolitan Water Reclamation District Board of Commissioners and the Cook County Board of Review.
The Sun-Times will be adding information and more races to this page as the election approaches, including responses to questionnaires handed out by the Sun-Times Editorial Board. All endorsements by the editorial board will also be noted on the page with a star (
). You can also view a full list by clicking here.
Search for a specific race in the menu above or click down to a specific section. Be sure to bookmark our election results page to follow vote returns live.
Republican-held seat
Democrat-held seat | Statewide
Democrat-held seat | Cook, Will and Kankakee counties, including southern suburbs and Chicago's Southeast Side.
Democrat-held seat | Cook, Will and Kankakee counties, including southern suburbs and Chicago's Southeast Side.
Democrat-held seat | Cook County including southwest suburbs and Bridgeport.
Democrat-held seat | Cook County, including Chicago with high Hispanic populations including Humboldt Park, Pilsen and Little Village, and suburbs Cicero and Brookfield.
Democrat-held seat | Cook and DuPage counties including Chicago's North and Northwest sides, O'Hare Airport and Oak Brook.
Democrat-held seat | Cook, DuPage, Lake, Kane and McHenry counties, including suburbs of Downers Grove and Algonquin.
Democrat-held seat | Cook County, including Chicago's Loop, South Side and West Side as well as western suburbs.
Democrat-held seat | Cook, DuPage and Kane counties, including parts of Schaumburg and Elgin.
Democrat-held seat | North suburban Cook County and Rogers Park in Chicago.
Democrat-held seat | Lake County and northern Cook County.
Democrat-held seat | Cook, DuPage, Kane, Kendall and Will counties.
Democrat-held seat | DeKalb, DuPage, Kane, Kendall, Lake, McHenry and Will counties.
Republican-held seat | Southern Illinois along the Mississippi River, including parts of East St. Louis.
Republican-held seat | Central and southeastern Illinois, including parts of Springfield, Bloomington and Champaign.
Republican-held seat | Central and southwestern Illinois, including Paducah, Edwardsville, and Danville.
Republican-held seat | Northern and central Illinois, including LaSalle, Grundy and parts of DeKalb and Will counties.
Democrat-held seat | Northern and western Illinois, including parts of Rockford, the Quad Cities, and Peoria in central Illinois.
Republican-held seat | Central and western Illinois including parts of Quincy, Springfield and Peoria.
Democrat-held seat | First District, which includes all of Cook County.
Democrat-held seat | Cook County, including Chicago’s Southwest side neighborhoods of Bridgeport, Archer Heights, Gage Park and McKinley Park.
Democrat-held seat | Cook County, including the western suburbs of River Forest, Maywood, and Hillside.
Democrat-held seat | Chicago's north side including Ravenswood and Rogers Park in Cook County.
Democrat-held seat | Cook County, including the northwest part of Chicago and parts of Rosemont, Norridge and Park Ridge.
Democrat-held seat | Cook county including Lyons, Summit, Stickney and Midway Airport.
Democrat-held seat | Chicago's lakefront, from the Gold Coast to the Indiana border.
Democrat-held seat | Chicago's south and southwest sides and suburbs including Countryside and Hickory Hills.
Democrat-held seat | Mokena, New Lenox, Matteson and Tinley Park.
Democrat-held seat | Kane, Cook and Dupage counties, including parts of Elgin and Carpentersville.
Republican-held seat | Kane, Kendall and Dupage counties, including parts of Oswego and Batavia.
Democrat-held seat | Northwestern Cook County, including parts of Arlington Heights, Desplaines and Bartlett.
Democrat-held seat | Lake County, including parts of Zion and Antioch.
Democrat-held seat | Will, Kankakee, Grundy and Cook counties.
Democrat-held seat | Will and Kendall counties, including Plainfield and parts of Oswego.
Democrat-held seat (Uncontested) | Southwest Chicago neighborhoods of Archer Heights, Gage Park and Garfield Ridge.
Democrat-held seat (Uncontested) | Southwest Chicago neighborhoods of Pilsen, Chinatown and Bridgeport.
Democrat-held seat (Uncontested) | Northwest Chicago neighborhoods of Belmont Cragin and part of Hermosa.
Democrat-held seat (Uncontested) | Chicago neighborhoods of Logan Square, Humboldt Park, West Town and Wicker Park.
Democrat-held seat (Uncontested) | Downtown Chicago and South Side neighborhoods of Bronzeville, Washington Park and South Shore.
Democrat-held seat (Uncontested) | Chicago neighborhoods of Back of the Yards, Fuller Park, and part of the Loop, River North and West Loop.
Democrat-held seat (Uncontested) | Suburbs of River Forest, Maywood and Westchester.
Democrat-held seat (Uncontested) | Chicago neighborhood of Austin and parts of suburbs of North Riverside and LaGrange Park.
Democrat-held seat | West side of Chicago neighborhoods south of the Eisenhower Expressway.
Democrat-held seat | West side of Chicago neighborhoods north of the Eisenhower Expressway, and Goose Island.
Democrat-held seat (Uncontested) | Chicago neighborhood of Ravenswood and Roscoe Village.
Democrat-held seat | North side of Chicago, from Clark street to the lake front and Divison to Montrose.
Democrat-held seat (Uncontested) | Chicago neighborhoods of Andersonville and parts of Ravenswood.
Democrat-held seat (Uncontested) | Chicago neighborhoods of Rogers Park and Edgewater.
Democrat-held seat | North suburbs including Albany Park, Forest Glen and parts of Morton Grove.
Democrat-held seat | North suburbs and part of the north side of the city, including West Ridge and parts of Skokie.
Democrat-held seat | North suburbs including Glenview, Golf, Skokie and Wilmette.
Democrat-held seat | North suburbs including Kenilworth, Winnetka, and Northfield.
Democrat-held seat | Chicago neighborhoods of Jefferson Park and Dunning as well as Harwood Heights.
Republican-held seat | Northwest suburbs including Norridge, Park Ridge and Niles.
Democrat-held seat | Southwest suburbs including Lyons, Stickney and Summit.
Democrat-held seat (Uncontested) | Neighborhoods surrounding Midway Airport, including West Lawn and Acher Heights.
Democrat-held seat (Uncontested) | Suburbs of Bridgeview, McCook, Riverside and Cicero.
Democrat-held seat (Uncontested) | Parts of Brookfield, Cicero and Little Village.
Democrat-held seat (Uncontested) | Chicago neighborhoods of Kenwood, Hyde Park, Woodlawn, South Shore, South Chicago, East Side and Pullman.
Democrat-held seat | Chicago's Gold Coast, Loop, and lakefront neighborhoods south to Calumet Heights.
Democrat-held seat | Far South Side Chicago neighborhoods of Roseland and Morgan Park as well as suburbs of Palos Heights and Crestwood.
Democrat-held seat (Uncontested) | Far South Side Chicago neighborhoods of Roseland and West Pullman as well as suburbs of Robbins, Calumet Park and Midlothian.
Democrat-held seat | Far South Side Chicago neighborhood Riverdale and south suburbs of South Holland, Crete and Monee.
Democrat-held seat (Uncontested) | Suburbs of Countryside, Willow Springs and Hometown as well as South Side Chicago neighborhoods of Ashburn and Auburn Gresham.
Democrat-held seat | South suburbs of Tinley Park, Markham, Hazel Crest and Matteson.
Democrat-held seat | South Side of Chicago and parts of Burbank and Hickory Hills.
Democrat-held seat (Uncontested) | Southeast Side of Chicago and parts of Calumet City and Lansing.
Democrat-held seat (Uncontested) | South Side of Chicago stretching all the way to Manteo and Peotone.
Democrat-held seat | Parts of Merrionette Park, Palos Park and Orland Hills.
Democrat-held seat (Uncontested) | Parts of Evergreen Park, Oak Lawn and Palos Hills.
Republican-held seat | Mokena, New Lenox and parts of Frankfort.
Democrat-held seat | Tinley Park, Matteson and Country Club Hills.
Democrat-held seat (Uncontested) | Northwest Side of Chicago including Logan Square and Old Irving Park.
Democrat-held seat | Northwest Side of Chicago including Irving Park, Mayfair and Albany Park.
Republican-held seat | West suburbs of Naperville and Warrenville.
Republican-held seat | West suburbs of Carol Stream, Lisle and Wheaton.
Democrat-held seat | North west suburbs of Elgin and Carpentersville.
Democrat-held seat | North west suburbs of Streamwood and Hanover Park.
Democrat-held seat | North west suburbs of Itasca, Bartlett and Bloomingdale.
Democrat-held seat | West suburbs of Glendale Heights and Villa Park.
Republican-held seat | West suburbs of Elmhurst, Oak Brook, Hinsdale and Westmont.
Democrat-held seat | West suburbs of Glen Ellyn, Lombard and Lisle.
Democrat-held seat | West suburbs of South Elgin, St. Charles and Batavia.
Republican-held seat | Sugar Grove, Yorkville and Elburn.
Democrat-held seat | Lake Zurich, Libertyville, and Lake Barrington.
Republican-held seat | Algonquin, Barrington and Crystal Lake.
Democrat-held seat | Northwest suburbs of Arlington Heights, Prospect Heights and Mount Prospect.
Republican-held seat | Palatine, Rolling Meadows and Inverness.
Democrat-held seat | Part of Park Ridge, Desplaines and Elk Grove Village.
Democrat-held seat | Schaumburg and Hoffman Estates.
Democrat-held seat | Northwest suburbs of Buffalo Grove and Forest River.
Democrat-held seat | North suburbs of Lake Bluff, Lake Forest, and Highland Park.
Democrat-held seat | North suburbs of Buffalo Grove, Vernon Hills, Mundelein and Green Oaks.
Democrat-held seat | Gurnee, Waukegan and Chittenden.
Democrat-held seat | Antioch, Old Mill Creek, and Zion.
Democrat-held seat | North suburbs of Grayslake and Round Lake.
Republican-held seat | Marengo, Woodstock, Hartland and McHenry.
Republican-held seat | Parts of Lake Villa, Crystal Lake, and Antioch.
Republican-held seat | Geneva, St. Charles, and Rutland Township.
Republican-held seat | West Dundee, Lake in the Hills and Huntley.
Republican-held seat (Uncontested) | Minooka, Channahon, and Morris.
Democrat-held seat | Northwest suburbs and O'Hare Airport, including Melrose Park, Bensenville and Elk Grove Village.
Democrat-held seat (Uncontested) | West suburbs of Oak Park, Elmwood Park and Franklin Park.
Democrat-held seat (Uncontested) | South suburbs of Frankfort, Olympia Fields and Flossmoor.
Democrat-held seat | West suburbs of Downers Grove, Darien and Woodridge.
Republican-held seat | West suburbs of Lemont and Burr Ridge.
Democrat-held seat | Aurora and North Aurora.
Democrat-held seat | Part of Naperville, South Park, and Aurora.
Democrat-held seat | Romeoville, Lockport, Bolingbrook and Woodridge.
Republican-held seat | Plainfield and Oswego.
Democrat-held seat | Crystal Lawns and part of Romeoville.
Democrat-held seat | Cook County
Cook County
Oversees the Chicago Area Water System, from Wilmette to downtown Chicago to Lockport.
Republican-held seat | Cook County
Information Gathered By: Chicago Sun-Times Editorial Board
Site Design and Development: Andy Boyle and Caroline Hurley, based off work by Tanveer Ali
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