Cities and CDPs with 10,000 or more people •
Rockford – 148,655 •
Peoria – 113,150 •
Bloomington – 78,680 •
Normal – 52,736 •
Pekin – 31,731 •
Belvidere – 25,339 •
Loves Park – 23,397 •
Machesney Park – 22,950 •
East Peoria – 22,484 •
Morton – 17,117 •
Washington – 16,071 •
Dixon – 15,274 •
Morris – 14,163 •
Channahon – 13,383 •
Streator – 12,500 •
Pontiac – 11,150 •
Roscoe – 10,983
2,500 to 10,000 people •
Harvard – 9,469 •
Rochelle – 9,446 •
South Beloit – 7,989 •
Rockton – 7,863 •
Princeton – 7,832 •
Geneseo – 6,539 •
Chillicothe – 6,128 •
Peoria Heights – 5,908 •
Coal City – 5,705 •
Eureka – 5,227 •
Candlewick Lake – 5,115 •
Poplar Grove – 5,049 •
Creve Coeur – 4,934 •
Marseilles – 4,845 •
West Peoria – 4,263 •
Dwight – 4,032 •
Metamora – 3,904 •
Byron – 3,784 •
Oregon – 3,604 •
Le Roy – 3,512 •
Gibson City – 3,475 •
Germantown Hills – 3,412 •
Galena – 3,308 •
Cherry Valley – 2,905 •
Mount Morris – 2,861 •
Heyworth – 2,791 •
Lena – 2,772 •
El Paso – 2,756 •
Diamond – 2,640 •
Marquette Heights – 2,541 •
Davis Junction – 2,512 Due to the 2020 redistricting, this district will shift to encompass most of central
Northern Illinois, including covering the majority of the Wisconsin-Illinois border. The district takes in
Jo Daviess,
Ogle,
Lee,
Stark,
Marshall, and
Grundy Counties; most of
Winnebago,
Boone,
Bureau,
Henry, and
McLean Counties; half of
Stephenson,
Peoria,
Tazewell,
Putnam, and
Livingston Counties; and part of
DeKalb and
Ford Counties. Winnebago County is split between this district and the
17th district. They are partitioned by West State Road, West State St, School St, Monroe St, Victory St, North Springfield Ave, Auburn St, North Central Ave, West Riverside Blvd, Eagle Dr, Soo Line Railroad, Park Ridge Rd, East Dr, River Ln, N 2nd St, Windsor Rd, N Alpine Rd, E Riverside Blvd, Forest Hills Rd, Pepper Dr, Cardamon Ln, Sage Dr, Gingeridge Ln, Applewood Ln, Windsor Rd/Broadcast Parkway, McFarland Rd, Harlem Rd, Illinois Highway 39, Keith Creek, Olde Creek Rd, N Trainer Rd, Spring Brook Rd, N Mulford Rd, Spring Creek Rd, Delcy Dr, Taliesen Ln/Jonquil Rd, Arbutus Rd, Saratoga Ln, Norwich Dr, Monticello Ln, Guilford Rd, Mauh-Nah-Tee-See, Inverness Dr, Donna Dr, Garrett Ln, Triton Ave, Apawamis Way E, Shiloh Rd, N Perryville Rd, Argus Dr, Deane Dr, US Highway 20, S Trainer Rd, Laurel Cherry Dr, Stony Creek Way, Newburg Rd, Homewood Dr, Dorchester Dr, Villanova Dr, Highland Ter, Wichita Dr, Capetown Ave, Charles St, S Mulford Rd, Forest Trail Dr, Samuelson Rd, 35th St, Tesa Rd, Sonja Ln, Lockout Dr, Houston Rd, Scarlet Oak Rd, Fruitland Dr, 20th St, Mobile Home Ave, 11th St, Falcon Rd, Beltline Rd, Kishwaukee Rd, Rock River, S Springfield Ave, Prairie Rd, and Tipple Rd. The 15th district takes in the communities of
South Beloit,
Roscoe,
New Milford,
Machesney Park,
Rockton,
Lake Summerset (shared with Stephenson County),
Durand,
Pecatonica,
Westlake Village,
Argyle (shared with Boone County), and
Cherry Valley; most of
Loves Park; and part of
Rockford (shared with Ogle County). Boone County is split between this district and the
11th district. They are partitioned by Orth Rd, Poplar Grove Rd, Woodstock Rd, McKinley Ave, Squaw Prairie Rd, Beloit Rd, Illinois Business Route 20, Kishwaukee River, Wynwood Dr, N Appleton Rd, S Appleton Rd, Illinois Highway 5, and Stone Quarry Rd. The 11th district takes in the communities of
Candlewick Lake,
Capron,
Argyle (shared with Winnebago County),
Caledonia, and
Timberlane; most of
Belvidere; and part of
Poplar Grove. Bureau County is split between this district and the
14th district. They are partitioned by Illinois Highway 26, US Highway 180, 2400 St E, and 2400 Ave N. The 16th district takes in the municipalities of
Princeton,
Wyanet,
Buda,
Sheffield,
Mineral,
Neponset,
New Bedford,
Manlius,
Walnut,
Tiskilwa,
Ohio,
Dover, and
La Moille. Henry County is split between this and the
17th district. They are partitioned on the northwest side by Shaffer Creek, Oakwood Cir, Oakmont Dr, Oakwood Country Club, Glenwood Rd, US Highway 6, E 450th St, Illinois Highway 280, Green River Rd, and Kings Dr. They are partitioned on the southeast side by E 1770th St, N 650th Ave/N 570th Ave, Timber Rd, E 2400th St, and N 1200 St. The 16th district takes in the communities of
Cambridge,
Geneseo,
Orion,
Atkinson,
Annawan,
Lynn Center,
Ophiem,
Alpha,
Cleveland,
Osco,
Andover,
Woodhull,
Bishop Hill,
Nekoma, and
Hooppole. McLean County is split between this district and the
17th district. They are partitioned by E 1000 North Rd, N 250 East Rd, E 1200 North Rd, Middle Fork Sugar Creek, E 1250 North Rd, N 750 East Rd, E 1300 North Rd, E 1280 North Rd, N 900 East Rd, E 1350 North Rd, E 1400 North Rd, N 1100 East Rd, N Rivian Motorway, King Mill Creek, Illinois Highway 74, Hovey Ave, S Cottage Ave, Gregory St, N Adelaide St, W Raab Rd, N Towanda Ave, E Shelbourne Dr, Old Route 66, Hershey Rd, E College Ave, Illinois Highway 55, Sugar Creek, General Electric Rd, Rainbow Ave, Mill Creek Rd, Clearwater Ave, Newcastle Dr, Illinois Highway 9, S Towanda Barnes Rd, Central Illinois Airport, Winchester Dr, S Hershey Rd, E Oakland Ave, S Veterans Parkway, S Mercer Ave, Norfolk and Southern Railroad, Rhodes Ln, E Hamilton Rd, S Morris Ave, Six Points Rd, W Oakland Ave, Fox Creek Rd, Crooked Creek Rd, Carrington Ln, and N 1200 East Rd. The 16th district takes in the communities of
Lexington,
Le Roy,
Chenoa,
El Paso (shared with Woodford County),
Hudson,
Gridley,
Anchor,
Saybrook,
Bellflower,
Colfax,
Arrowsmith,
Cooksville,
Ellsworth,
Towanda,
Downs,
Heyworth,
Carlock,
Twin Grove,
Danvers, and
Stanford; northern
Normal; and part of
Bloomington. Stephenson County is split between this district and the
17th district. They are partitioned by Daws Rd, Howardsville Rd, Cedarville Rd, N Fawver Rd, and Maize Rd. The 16th district takes in the communities of
Davis,
Dakota,
Orangeville,
Winslow,
Rock City, and
Lake Summerset (shared with Winnebago County); northern
Cedarville; and part of
Lena. Peoria County is split between this district and the
17th district. They are partitioned by W Gerber Rd/W Rosenbohm Rd, W Southport Rd, BN & SF Railroad, W Southport Rd, N Townhouse Rd, W Cottonwood Rd, N McAllister Rd, W Greengold Rd, W Farmington Rd, N Kickapoo Creek Rd, Saint Mary's Cemetery, N Swords Ave, N Northcrest Dr, C & NW Railroad, Weaverridge Golf Club, W Charter Oak Rd, Illinois Highway 6, W War Memorial Dr, N Allen Rd, W Northmoor Rd, Big Hollow Creek, West Imperial Dr, West Willow Knolls Dr, North University St, Manning Park, West Teton Dr, Illinois Highway 40, North Prospect Rd, East Prospect Ln, North Montclair Ave, East Euclid Ave, North Grandview Dr, Forest Park Nature Center, Forest Park Apartments, North Galena Rd, Illinois Highway 29, and Forest Park Riverfront-Longshore. The 16th district takes in the communities of
Chillicothe,
Brimfield,
Princeville,
Dunlap,
Rome,
Mossville; northern
Peoria; and part of
Peoria Heights (shared with Woodford County),
West Peoria,
Bellevue, and
Norwood. Tazewell County is split between this district and the
17th district. They are partitioned by Illinois River, S 3rd St, Prince St, Elm St, Maple St, Mechanic St, Koch St, 5th St, Illinois Central Railroad, Townline Rd, Highway I-55, Illinois Highway 122, Indian Creek, Southwest Lincoln St, Southeast Main St, Hopedale Rd, Springtown Rd, Mackinaw Rd, and Lagoon Rd. The 16th district takes in the communities of
East Peoria,
Washington,
Morton,
Hopedale,
Minier,
North Pekin,
Heritage Lake,
Mackinaw,
Deer Park (shared with Woodford County),
Creve Coeur,
Marquette Heights,
Goodfield (shared with Woodford County), and
Tremont; most of
Pekin; and part of
South Pekin. Putnam County is split between this district and the
17th district. They are partitioned by the Illinois River, S Front St, E High St, N 2nd St, E Court St, E Mulberry St, N 3rd St, N 4th St, N 6th St, E Sycamore St, S 5th St, Coffee Creek, Illinois Highway 26, and N 600th Ave. The 16th district takes in the communities of
McNabb and
Magnolia. Livingston County is split between this district and the
2nd district. They arthee partitioned by N 1800 Rd East, E 1550 Rd North, N 1600 Rd East, E 1500 Rd North, N 1500 Rd East, W Reynolds St, Highway 55, The Slough, E 1830 Rd North, Old IL-66 South, N 1700 Rd East, N 2125 Rd North, and N 1800 Rd East. The 16th district takes in the communities of
Cornell,
Flanagan, and
Long Point; and part of
Pontiac. DeKalb County is split between this district, the
11th district, and the
14th district. They are partitioned by Myelle Rd, Bass Line Rd, Illinois Highway 23, Whipple Rd, Plank Rd, Swanson Rd, and Darnell Rd. The 16th district takes in the municipality of
Kirkland. Ford County is split between this district and the
2nd district. They are partitioned by E 900N Rd, N Melvin St, E 8th St, and N 500E Rd. The 16th district takes in the municipality of
Gibson City. McHenry County is split between this district and the
9th district,
10th district, and
11th district. The 16th district takes in the communities of
Big Foot Prairie,
Alden,
Harvard,
Lawrence, and
Chemung. LaSalle County is split between this district and the
14th district. The 16th district takes in the communities of
Ransom Grand Ridge,
Kangley,
Streator (shared with Livingston County),
Leonore,
Lostant,
Rutland, and
Dana; and part of
Seneca,
Marseilles, and
Tonica. == Recent election results from statewide races ==