County · Illinois

Will County, Illinois

Will County, Illinois. Will County had 712,253 residents in 2025 by the Census Bureau's estimate, up 2.1% since 2020, while Illinois shrank 0.8%. It holds 83 places (37 cities, villages and boroughs, 24 towns and townships and 22 census-designated) and 172 census tracts. GEOID 17197.

Will County is one of the 13 counties of the Chicago-Naperville-Elgin, IL-IN metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

712,253

Census Bureau estimate (no margin published)
2020 Census count: 696,355 · ACS 2020-2024: 701,462

Median household income

$109,984

±$1,819 (90% margin)
Illinois: $83,390

Median home value

$319,600

±$3,152 (90% margin)
Illinois: $263,300

Median gross rent

$1,462

±$33 (90% margin)
Illinois: $1,274

How many people live in Will County, and is it growing?

The 2020 Census counted 696,355 residents in Will County. The Census Bureau estimates 712,253 for July 1, 2025, up 2.1% since 2020, while Illinois shrank 0.8%. The 2020-2024 American Community Survey puts the population at 701,462 over 836 square miles of land.

July 2020→2021 +3,019 (699,920)
2021→2022 −808 (699,112)
2022→2023 +4,760 (703,872)
2023→2024 +5,108 (708,980)
2024→2025 +3,273 (712,253)

Will County in Illinois. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	Will County	Illinois	Change since 2015-2019
Total population	701,462	12,694,798	+12,147
Households	244,273±835	5,036,449	+14,775
Average household size	2.84±0.01	2.46	−0.12
Housing units	254,278±158	5,457,452	+10,371

Will County's population since 2000

From 502,266 in 2000 to 712,253 in 2025: up 41.8%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

2000 Census 502,266
2005 (estimate) 627,610
2010 Census 677,560
2015 (estimate) 685,825
2020 Census 696,355
2025 (estimate) 712,253

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Will County?

Will County holds 83 places: 37 cities, villages and boroughs (incorporated places), 24 towns and townships (county subdivisions with their own government) and 22 census-designated places. The largest is Joliet with 152,241 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Will County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Joliet	city	150,362	150,445±889	$92,201	$265,800	11.1%	91%
Wheatland Township, Will County	township	88,894	90,134±59	$172,808	$494,300	3.2%	100%
Du Page Township	township	87,348	87,582±52	$104,934	$295,900	8.3%	100%
Joliet Township	township	85,427	85,288±62	$63,998	$189,400	18.4%	100%
Plainfield Township	township	82,236	83,145±62	$127,061	$321,600	4.7%	100%
Bolingbrook	village	73,922	74,096±380	$108,400	$314,700	9.2%	98%
Frankfort Township, Will County	township	59,796	60,045±35	$134,769	$389,800	4.0%	100%
Lockport Township	township	58,844	59,827±58	$85,328	$260,600	9.4%	100%
Naperville	city	149,540	150,692±439	$155,105	$540,200	4.4%	34%
Troy Township	township	49,479	49,728±40	$109,309	$299,700	5.5%	100%
New Lenox Township	township	43,709	44,199±42	$133,434	$388,100	3.9%	100%
Plainfield	village	44,762	46,708±218	$144,000	$431,400	4.2%	93%
Homer Township	township	40,754	40,989±67	$135,645	$409,700	4.5%	100%
Romeoville	village	39,863	41,152±75	$106,325	$257,100	5.5%	100%
New Lenox	village	27,214	28,006±290	$140,865	$399,900	1.5%	100%
Lockport	city	26,094	26,409±45	$111,981	$316,000	6.8%	100%
Homer Glen	village	24,543	24,529±78	$136,678	$418,800	4.3%	100%
Crete Township	township	23,759	23,542±57	$80,482	$210,800	9.0%	100%
Crest Hill	city	20,459	20,628±509	$73,033	$232,900	12.0%	100%
Frankfort	village	20,296	20,651±66	$154,375	$481,200	3.2%	100%
Mokena	village	19,887	20,021±635	$123,889	$401,400	4.5%	100%
Shorewood	village	18,186	18,343±26	$122,105	$337,800	5.2%	100%
Monee Township	township	15,549	15,425±28	$84,953	$220,000	12.3%	100%
Aurora	city	180,542	179,898±487	$93,633	$274,800	9.5%	6%
Manhattan Township	township	11,563	12,424±24	$129,207	$346,800	4.0%	100%
Channahon Township	township	10,519	10,769±30	$136,489	$327,100	6.6%	100%
Manhattan	village	9,385	11,026±463	$128,522	$332,600	4.2%	100%
Channahon	village	13,383	13,927±690	$119,494	$327,900	5.9%	69%
Frankfort Square	CDP	8,968	9,560±699	$126,897	$305,800	6.4%	100%
Crete	village	8,465	8,386±29	$97,147	$228,500	3.9%	100%
Tinley Park	village	55,971	54,842±69	$105,189	$299,900	5.0%	14%
Reed Township	township	6,864	6,903±21	$82,398	$200,200	7.7%	100%
University Park	village	7,145	7,306±555	$73,844	$153,200	14.4%	96%
Washington Township, Will County	township	6,495	6,459±38	$102,250	$280,000	3.0%	100%
Braidwood	city	6,194	6,062±222	$82,202	$202,500	7.3%	100%
Wilmington Township	township	5,958	5,915±23	$65,202	$219,000	10.6%	100%
Wilmington, Will County	city	5,664	5,494±392	$66,154	$223,800	11.5%	100%
Steger	village	9,584	9,418±46	$66,575	$156,700	12.6%	57%
Monee	village	5,128	5,108±26	$91,969	$240,500	6.2%	100%
Beecher	village	4,713	4,728±657	$103,415	$269,500	2.7%	100%
Peotone Township	township	4,365	4,395±20	$80,684	$283,200	7.4%	100%
Peotone	village	4,150	4,587±365	$108,523	$271,000	3.9%	100%
Jackson Township, Will County	township	3,898	3,875±21	$104,292	$271,500	4.7%	100%
Green Garden Township	township	3,893	3,862±19	$133,977	$506,500	3.0%	100%
Ingalls Park	CDP	3,460	3,015±521	$57,917	$157,800	21.9%	100%
Park Forest	village	21,687	21,156±577	$61,072	$115,300	17.6%	15%
Ridgewood	CDP	2,956	2,795±667	$92,500	$161,300	22.8%	100%
Preston Heights	CDP	2,898	2,449±404	$51,625	$144,100	22.8%	100%
Fairmont	CDP	2,389	2,617±354	$70,795	$182,300	15.6%	100%
Elwood	village	2,229	2,001±251	$86,458	$237,500	8.1%	100%
Wesley Township	township	2,124	1,819±315	$78,031	$246,700	9.9%	100%
Rockdale	village	2,012	2,553±514	$59,135	$188,300	25.8%	100%
Minooka	village	12,758	12,891±693	$115,445	$315,600	2.6%	16%
Crystal LawnsGEOID 1717939	CDP	1,830	1,766±494	$82,033	$243,200	7.0%	100%
Will Township	township	1,793	1,691±302	$112,433	$313,000	3.1%	100%
Custer TownshipGEOID 1719718199	township	1,367	1,503±528	$121,771	$297,300	11.3%	100%
Willowbrook, Will CountyGEOID 1781938	CDP	1,346	1,913±659	$89,773	$280,700	2.8%	100%
Bonnie Brae	CDP	1,287	846±305	$60,500	$219,800	6.7%	100%
Arbury HillsGEOID 1701803	CDP	1,132	1,519±607	$99,091	$230,200	4.1%	100%
Florence Township, Will CountyGEOID 1719726519	township	922	888±241	$111,935	$292,600	2.1%	100%
SunnylandGEOID 1773872	CDP	822	1,231±558	$90,813	$167,800	15.4%	100%
Wilton TownshipGEOID 1719782244	township	799	1,055±270	$129,643	$415,900	1.3%	100%
Lockport HeightsGEOID 1744244	CDP	749	890±285	$78,211	$192,200	0.0%	100%
Lakewood ShoresGEOID 1741716	CDP	665	459±154	$78,693	$217,100	3.7%	100%
Plum ValleyGEOID 1760826	CDP	632	520±262	$142,169	$339,200	1.3%	100%
Godley	village	566	602±210	$53,438	$144,600	16.5%	92%
Rest HavenGEOID 1763382	CDP	502	455±159	$64,531	$196,400	15.4%	100%
Orland Park	village	58,703	57,916±457	$98,910	$367,200	7.3%	1%
RitchieGEOID 1764239	CDP	190	79±49	not published	$347,700	0.0%	100%
SymertonGEOID 1774275	village	128	132±65	$103,542	$233,300	2.3%	100%
MarleyGEOID 1747046	CDP	128	96±109	not published	not published	0.0%	100%
Wilton CenterGEOID 1782257	CDP	122	58±51	$71,667	$175,000	10.3%	100%
Custer ParkGEOID 1718212	CDP	112	459±561	$178,602	$175,000	3.7%	100%
Eagle LakeGEOID 1721475	CDP	76	131±150	not published	not published	0.0%	100%
GoodenowGEOID 1730419	CDP	60	0±13	not published	not published	–	100%
AndresGEOID 1701517	CDP	43	41±47	not published	not published	0.0%	100%
Woodridge	village	34,158	33,941±69	$101,000	$363,700	5.5%	0%
LorenzoGEOID 1744784	CDP	26	28±41	not published	not published	0.0%	100%
Diamond	village	2,640	2,984±414	$73,201	$220,200	10.5%	0%
Lemont	village	17,629	17,820±40	$123,370	$468,800	3.1%	0%
Coal City	village	5,705	5,317±340	$72,857	$201,600	4.4%	0%
Oswego	village	34,585	36,375±39	$123,792	$344,500	2.6%	0%
Braceville	village	724	860±201	$89,167	$187,900	11.4%	0%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Will County?

The median resident of Will County is 39.1 years old; 23.6% are under 18 and 14.6% are 65 or older. The largest group is non-Hispanic white residents at 58.6%, then Hispanic or Latino residents (of any race) at 19.8%. 13.5% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Will County	Illinois	Change since 2015-2019
Median age	39.1±0.2	39.0	+1.2
Under 18 years	23.6%±0.1 pts	21.8%	–
65 years and over	14.6%±0.1 pts	17.0%	–
Hispanic or Latino (any race)	19.8%	18.8%	+2.4 pts
White alone, not Hispanic	58.6%±0.1 pts	58.1%	−5.1 pts
Black or African American alone, not Hispanic	11.6%±0.1 pts	13.3%	+0.5 pts
Asian alone, not Hispanic	6.3%±0.1 pts	5.9%	+0.9 pts
American Indian and Alaska Native alone, not Hispanic	0.1%±0.1 pts	0.1%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.0%±0.1 pts	0.0%	–
Two or more races, not Hispanic	3.4%±0.2 pts	3.4%	–
Some other race alone, not Hispanic	0.4%±0.1 pts	0.4%	–
Born outside the United States	13.5%±0.4 pts	14.7%	+1.2 pts
Speak a language other than English at home (age 5+)	22.4%±0.5 pts	24.0%	–
Civilian veterans (age 18+)	4.8%±0.2 pts	4.8%	–
With a disability	10.0%±0.3 pts	12.1%	–
No health insurance coverage	5.2%±0.3 pts	6.9%	no clear change
High school graduate or higher (age 25+)	91.8%±0.3 pts	90.5%	–
Bachelor's degree or higher (age 25+)	37.5%±0.6 pts	37.8%	+3.2 pts
Graduate or professional degree (age 25+)	14.9%±0.5 pts	15.3%	–
Moved from another state in the past year	0.8%±0.1 pts	1.6%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Will County earn?

Half of Will County's 244,273 households earn less than $109,984 a year (±$1,819), against $83,390 in Illinois. In 2015-2019 the median was $107,022 in 2024 dollars, so it rose by $2,962 after inflation. 7.3% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	Will County	Illinois	Change since 2015-2019
Median household income	$109,984±$1,819	$83,390	+$2,962
Mean household income	$134,181±$1,952	$115,638	–
Per capita income	$47,516±$664	$46,406	+$2,566
People below the poverty line	7.3%±0.4 pts	11.8%	+0.6 pts
Children under 18 below the poverty line	9.9%±0.9 pts	15.1%	no clear change
Households receiving SNAP	10.1%±0.5 pts	13.8%	–
Households with a broadband subscription	94.1%±0.4 pts	90.8%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Will County?

Owners occupy 82.8% of Will County's occupied homes and renters 17.2%. The median owner-occupied home is valued at $319,600 by its owner (±$3,152). The median renter pays $1,462 a month including utilities, and 43.4% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	Will County	Illinois	Change since 2015-2019
Median home value (owner-occupied)	$319,600±$3,152	$263,300	+$34,079
Median gross rent	$1,462±$33	$1,274	no clear change
Renters paying 35% or more of income on rent	43.4%±2.2 pts	39.0%	no clear change
Median monthly owner costs, with a mortgage	$2,255±$21	$1,987	–
Owner-occupied homes	82.8%±0.6 pts	67.1%	+1.5 pts
Housing units	254,278±158	5,457,452	+10,371
Homeowner vacancy rate	0.5%±0.1 pts	1.0%	–
Rental vacancy rate	3.7%±0.9 pts	5.0%	–
Single-family detached homes	74.4%±0.5 pts	58.2%	–
Mobile homes	1.3%±0.2 pts	2.3%	–
Built 2020 or later	1.2%±0.2 pts	0.7%	–
Built 1939 or earlier	6.9%±0.4 pts	20.2%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Will County building?

Builders took permits for 1,993 new housing units across Will County in 2025 (1,797 single-family), 2.8 per 1,000 residents.

2019 1,600 units
2020 1,775 units
2021 1,970 units
2022 1,671 units
2023 1,338 units
2024 2,002 units
2025 1,993 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Will County get to work?

72.9% of Will County's workers drive alone and 14.7% work from home. The average trip to work takes 31.4 minutes. The unemployment rate in 2020-2024 averaged 4.9%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	Will County	Illinois	Change since 2015-2019
In the labor force (age 16+)	68.3%±0.5 pts	65.0%	–
Unemployment rate	4.9%±0.3 pts	5.8%	no clear change
Drove alone to work	72.9%±0.6 pts	65.9%	–
Carpooled	8.0%±0.4 pts	7.8%	–
Public transportation	2.0%±0.2 pts	5.8%	–
Walked	0.7%±0.1 pts	2.8%	–
Worked from home	14.7%±0.5 pts	15.9%	+9.9 pts
Mean travel time to work	31.4 min±0.5	27.8 min	−1.6 min

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Will County's census tracts?

Will County is divided into 172 census tracts. Among those with a reliable estimate, median household income runs from $14,865 (Tract 8819) to $250,000 or more (Tract 8803.16).

All 172 census tracts of Will County, with their figures

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Will County compare with Illinois's other counties?

Will County's rank among Illinois's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	4th of 102
Growth 2020-2025	5th of 102
Residents per square mile	5th of 102
Median household income	4th of 102
Median home value	6th of 102
Median gross rent	4th of 102
Poverty rate	94th of 102
Bachelor's degree or higher	8th of 102
Median age	86th of 102

Every county in Illinois

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Will County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.