County in Illinois
Will County
About 701,500 people, median household income $110,000.
District lines run through Will County, so who represents you here depends on where you live. Search your address to see yours.
Who lives in Will County
Census survey estimates for 2020 to 2024, rounded.
People
- Population
- 701,500
- Median age
- 39.1 years
- Under 18
- 24%
- 65 and over
- 15%
- Veterans, of adults
- 5%
- Speak another language at home
- 22%
Race and ethnicity
- Hispanic or Latino, of any race
- 20%
- White, not Hispanic
- 59%
- Black, not Hispanic
- 12%
- Asian, not Hispanic
- 6%
Income and housing
- Median household income
- $110,000
- Below the poverty line
- 7%
- Bachelor's or higher, adults 25+
- 38%
- Owner-occupied homes
- 83%
- Median home value
- $320,000
2024 vote for president
- Kamala Harris, Democrat
- 49.7%
- Donald Trump, Republican
- 48.1%
- Other candidates
- 2.2%
Votes counted, by precinct. Source: MIT Election Data and Science Lab, precinct returns (public domain).
Represent all of Will County
Will County's districts (32)
U.S. House (4)
- U.S. House District 1
Held by Jonathan L. Jackson, Democratic
Part of Will County: 198,838 people in 2020
- U.S. House District 2
Held by Robin L. Kelly, Democratic
Part of Will County: 51,255 people in 2020
- U.S. House District 11
Held by Bill Foster, Democratic
Part of Will County: 80,119 people in 2020
- U.S. House District 14
Held by Lauren Underwood, Democratic
Part of Will County: 366,143 people in 2020
Illinois Senate (12)
- Illinois Senate District 14
Held by Emil Jones, Democratic
Part of Will County: 3,401 people in 2020
- Illinois Senate District 15
Held by Napoleon Harris, Democratic
Part of Will County: 19,046 people in 2020
- Illinois Senate District 17
Held by Elgie Sims, Democratic
Part of Will County: 4,576 people in 2020
- Illinois Senate District 19
Held by Mike Hastings, Democratic
Part of Will County: 114,986 people in 2020
- Illinois Senate District 21
Held by Laura Ellman, Democratic
Part of Will County: 35,270 people in 2020
- Illinois Senate District 38
Held by Sue Rezin, Republican
Part of Will County: 982 people in 2020
- Illinois Senate District 40
Held by Patrick Joyce, Democratic
Part of Will County: 82,138 people in 2020
- Illinois Senate District 41
Held by John Curran, Republican
Part of Will County: 4,102 people in 2020
- Illinois Senate District 42
Held by Linda Holmes, Democratic
Part of Will County: 24,457 people in 2020
- Illinois Senate District 43
Held by Rachel Ventura, Democratic
Part of Will County: 203,965 people in 2020
- Illinois Senate District 49
Held by Meg Loughran Cappel, Democratic
Part of Will County: 202,414 people in 2020
- Illinois Senate District 53
Held by Chris Balkema, Republican
Part of Will County: 1,018 people in 2020
Illinois House (16)
- Illinois House District 27
Held by Justin Slaughter, Democratic
Part of Will County: 3,401 people in 2020
- Illinois House District 29
Held by Thaddeus Jones, Democratic
Part of Will County: 19,046 people in 2020
- Illinois House District 34
Held by Nick Smith, Democratic
Part of Will County: 4,576 people in 2020
- Illinois House District 37
Held by Patrick Sheehan, Republican
Part of Will County: 83,317 people in 2020
- Illinois House District 38
Held by Debbie Meyers-Martin, Democratic
Part of Will County: 31,669 people in 2020
- Illinois House District 41
Held by Janet Yang Rohr, Democratic
Part of Will County: 35,270 people in 2020
- Illinois House District 75
Held by Jed Davis, Republican
Part of Will County: 982 people in 2020
- Illinois House District 79
Held by Jackie Haas, Republican
Part of Will County: 25,480 people in 2020
- Illinois House District 80
Held by Anthony DeLuca, Democratic
Part of Will County: 56,658 people in 2020
- Illinois House District 82
Held by Nicole La Ha, Republican
Part of Will County: 4,102 people in 2020
- Illinois House District 84
Held by Stephanie Kifowit, Democratic
Part of Will County: 24,457 people in 2020
- Illinois House District 85
Held by Dee Avelar, Democratic
Part of Will County: 95,393 people in 2020
- Illinois House District 86
Held by Larry Walsh, Democratic
Part of Will County: 108,572 people in 2020
- Illinois House District 97
Held by Jessica Dixon Heitman, Democratic
Part of Will County: 93,909 people in 2020
- Illinois House District 98
Held by Natalie Manley, Democratic
Part of Will County: 108,505 people in 2020
- Illinois House District 106
Held by Jason Bunting, Republican
Part of Will County: 1,018 people in 2020
Towns (59)
Cities, villages and unincorporated communities, with the number of people in the county’s part of each at the 2020 Census.
- Joliet (part)136,315
- Bolingbrook (part)72,454
- Naperville (part)51,438
- Plainfield (part)41,503
- Romeoville39,863
- New Lenox27,214
- Lockport26,094
- Homer Glen (part)24,543
- Crest Hill20,459
- Frankfort (part)20,296
- Mokena19,887
- Shorewood18,186
- Aurora (part)11,704
- Manhattan9,385
- Channahon (part)9,285
- Frankfort Square8,968
- Crete (part)8,465
- Tinley Park (part)7,702
- University Park (part)6,828
- Braidwood (part)6,189
- Wilmington5,664
- Steger (part)5,466
- Monee5,128
- Beecher4,713
35 more towns
- Peotone4,150
- Ingalls Park3,460
- Park Forest (part)3,205
- Ridgewood2,956
- Preston Heights2,898
- Fairmont2,389
- Elwood2,229
- Rockdale2,012
- Minooka (part)2,002
- Crystal Lawns1,830
- Willowbrook1,346
- Bonnie Brae1,287
- Arbury Hills1,132
- Sunnyland822
- Lockport Heights749
- Lakewood Shores665
- Plum Valley632
- Godley (part)519
- Rest Haven502
- Orland Park (part)359
- Ritchie190
- Symerton128
- Marley128
- Wilton Center122
- Custer Park112
- Eagle Lake76
- Goodenow60
- Andres43
- Woodridge (part)29
- Lorenzo26
- Diamond (part)4
- Lemont (part)3
- Coal City (part)1
- Braceville (part)0
- Oswego (part)0
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–2024; towns and counties from the 2020 Census, Demographic and Housing Characteristics. Figures rounded by us. Retrieved 2026-10-19. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.