Cities and CDPs with 10,000 or more people •
Aurora – 180,542 •
Joliet – 150,362 •
Naperville – 149,540 •
Bolingbrook – 73,922 •
Plainfield – 44,762 •
DeKalb – 40,290 •
Romeoville – 39,863 •
Oswego – 34,585 •
Lockport – 26,094 •
Yorkville – 22,594 •
Crest Hill – 20,459 •
Montgomery – 20,262 •
Ottawa – 18,840 •
Sycamore – 18,577 •
North Aurora – 18,261 •
Shorewood – 18,186 •
Lemont – 17,629 •
Minooka – 12,758 •
Plano – 11,847
2,500 to 10,000 people •
Peru – 9,896 •
LaSalle – 9,582 •
Sugar Grove – 9,278 •
Sandwich – 7,221 •
Mendota – 7,061 •
Spring Valley – 5,582 •
Lake Holiday – 5,687 •
Marseilles – 4,845 •
Cortland – 4,398 •
Oglesby – 3,712 •
Ingalls Park – 3,460 •
Ridgewood – 2,956 •
Preston Heights – 2,898 As of the 2020 redistricting, the district will be based in
Northern Illinois, and takes in
Kendall, the southern half of
DeKalb county, northern
LaSalle County, northeast
Putnam County, and part of
Will,
Kane, and
Bureau Counties. DeKalb County is split between this district, the
11th district, and the
16th district. They are partitioned by Gillis Rd, Anjali Ct, W Mortel Rd, Kishwaukee River, Bass Line Rd, Illinois Highway 23, Whipple Rd, Plank Rd, Swanson Rd, and Darnell Rd. The 14th district takes in the municipalities of
Sycamore,
DeKalb,
Sandwich,
Malta,
Cortland,
Shabbona,
Waterman,
Hinckley,
Somonauk (shared with LaSalle County), and
Sandwich (shared with Kendall County); most of
Maple Park; and half of
Lee. Bureau County is split between this district and the
16th district. They are partitioned by Illinois Highway 26, US Highway 180, 2400 St E, and 2400 Ave N. The 14th district takes in the municipalities of
Spring Valley,
Cherry,
DePue,
Ladd,
Seatonville,
Bureau Junction,
Dalzell,
Hollowayville,
Malden, and
Arlington; and part of
Dover. Putnam County is split between this district and the
16th district. They are partitioned by 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 14th district takes in the municipalities of
Granville,
Standard, and
Mark; and most of
Hennepin. Kane County is split between this district and the
8th district and
11th district. The 14th district takes in the communities of
Big Rock,
Prestbury, and
Montgomery (shared with Kendall County); southeastern
Aurora (shared with Kendall County); and part of
North Aurora and
Sugar Grove. LaSalle County is split between this district and the
16th district. They are partitioned by N 20th Rd, Vermillion River, Matthiessen State Park Central Road, E 8th Rd, N 24th Rd, E 12th Rd, N 2250th Rd, E 13th Rd, E 18th Rd, Oakwood Dr, and the Illinois River. The 14th district takes in the communities of
LaSalle,
Ottawa,
Oglesby,
Peru,
Earlville,
Mendota,
Cedar Point,
North Utica,
Naplate,
Dayton,
Wedron,
Troy Grove,
Triumph,
Earlville,
Harding,
Leland,
Serena,
Sheridan,
Millington (shared with Kendall County),
Somonauk (shared with DeKalb County), and
Lake Holiday; half of
Seneca; and part of
Tonica,
Marseilles, and
Seneca (shared with
Grundy County). Will County is split between this district, the
1st district, and the
11th district. The 14th and 1st districts are partitioned by West 135th St, High Rd, Chicago Sanitary & Ship Canal, Thornton St, East 9th St, Madison St, East 12th St, East Division St, South Farrell Rd, Midewin National Tail Grass Prairie, West Schweizer Rd, Channahon Rd, DuPage River, and Canal Road North. The 14th and 11th districts are partitioned by The 14th takes in the communities of
Joliet,
Plainfield (shared with Kendall County),
Shorewood,
Crystal Lawns,
Sunnyland,
Crest Hill,
Rockdale,
Fairmont,
Ridgewood,
Ingalls Park, and
Preston Heights; most of
Romeoville; southwestern
Naperville; western
Bolingbrook; western
Lemont; eastern
Elwood; and half of
Lockport. ==History==