Will County, Illinois Demographics 2026
Will County, Illinois has a population of 701,462, the 4th most populous county in Illinois. The median household income is $109,984 and the median home value is $319,600. The poverty rate is 7.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Will County Quick Facts
How Will County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 698,450 | 701,462 | +0.4% |
| Median household income | $107,799 | $109,984 | +2.0% |
| Median home value | $298,000 | $319,600 | +7.2% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Will County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Joliet | 150,445 | $92,201 | 11.1% | $265,800 |
| Plainfield | 46,708 | $144,000 | 4.2% | $431,400 |
| Romeoville | 41,152 | $106,325 | 5.5% | $257,100 |
| Oswego | 36,375 | $123,792 | 2.6% | $344,500 |
| New Lenox | 28,006 | $140,865 | 1.5% | $399,900 |
| Lockport | 26,409 | $111,981 | 6.8% | $316,000 |
| Crest Hill | 20,628 | $73,033 | 12.0% | $232,900 |
| Mokena | 20,021 | $123,889 | 4.5% | $401,400 |
| Shorewood | 18,343 | $122,105 | 5.2% | $337,800 |
| Channahon | 13,927 | $119,494 | 5.9% | $327,900 |
| Minooka | 12,891 | $115,445 | 2.6% | $315,600 |
| Manhattan | 11,026 | $128,522 | 4.2% | $332,600 |
| Frankfort Square | 9,560 | $126,897 | 6.4% | $305,800 |
| Braidwood | 6,062 | $82,202 | 7.3% | $202,500 |
| Wilmington | 5,494 | $66,154 | 11.5% | $223,800 |
| Coal City | 5,317 | $72,857 | 4.4% | $201,600 |
| Monee | 5,108 | $91,969 | 6.2% | $240,500 |
| Beecher | 4,728 | $103,415 | 2.7% | $269,500 |
| Peotone | 4,587 | $108,523 | 3.9% | $271,000 |
| Ingalls Park | 3,015 | $57,917 | 21.9% | $157,800 |
| Diamond | 2,984 | $73,201 | 10.5% | $220,200 |
| Ridgewood | 2,795 | $92,500 | 22.8% | $161,300 |
| Fairmont | 2,617 | $70,795 | 15.6% | $182,300 |
| Rockdale | 2,553 | $59,135 | 25.8% | $188,300 |
| Preston Heights | 2,449 | $51,625 | 22.8% | $144,100 |
| Elwood | 2,001 | $86,458 | 8.1% | $237,500 |
| Willowbrook | 1,913 | $89,773 | 2.8% | $280,700 |
| Crystal Lawns | 1,766 | $82,033 | 7.0% | $243,200 |
| Arbury Hills | 1,519 | $99,091 | 4.1% | $230,200 |
| Sunnyland | 1,231 | $90,813 | 15.3% | $167,800 |
| Lockport Heights | 890 | $78,211 | 0.0% | $192,200 |
| Braceville | 860 | $89,167 | 11.4% | $187,900 |
| Bonnie Brae | 846 | $60,500 | 6.7% | $219,800 |
| Godley | 602 | $53,438 | 16.5% | $144,600 |
| Plum Valley | 520 | $142,169 | 1.4% | $339,200 |
| Custer Park | 459 | $178,602 | 3.7% | $175,000 |
| Lakewood Shores | 459 | $78,693 | 3.7% | $217,100 |
| Rest Haven | 455 | $64,531 | 15.4% | $196,400 |
| Symerton | 132 | $103,542 | 2.3% | $233,300 |
| Eagle Lake | 131 | N/A | 0.0% | N/A |
| Marley | 96 | N/A | 0.0% | N/A |
| Ritchie | 79 | N/A | 0.0% | $347,700 |
| Wilton Center | 58 | $71,667 | 10.3% | $175,000 |
| Andres | 41 | N/A | 0.0% | N/A |
| Lorenzo | 28 | N/A | 0.0% | N/A |
Explore Illinois Rankings
Population Overview
Will County is located in Illinois with a total population of 701,462. It is the 4th most populous county out of 102 in Illinois. The county encompasses 45 Census-designated places.
Age Demographics
The median age in Will County is 39.1 years. This is about the same as the state median of 39.0 years.
Economy, Income & Housing
The median household income in Will County is $109,984. This is 32% higher than the state median of $83,390. It is also 36% higher than the national median of $80,734. The poverty rate stands at 7.3%. This is 38% lower than the state poverty rate of 11.8%. The unemployment rate is 4.9%. This is 16% lower than the state rate of 5.8%. The median home value is $319,600. Housing costs are 21% higher than the state median of $263,300. With a home-value-to-income ratio of just 2.9x, Will County is one of the most affordable housing markets in the area. 82.8% of occupied housing units are owner-occupied. This homeownership rate is 23% higher than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Will County is White (non-Hispanic), making up 58.6% of the population. Hispanic or Latino residents account for 19.8%.
Education
37.5% of residents aged 25 and older hold a bachelor's degree or higher. This places Will County in the top 10% of all counties in the state for educational attainment. This is about the same as the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.8%.
Data Sources & Methodology
All figures for Will County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Illinois and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Will County, Illinois?
Will County has a population of 701,462, making it the 4th most populous county in Illinois.
What is the median income in Will County?
The median household income in Will County is $109,984 with a poverty rate of 7.3%.
How many cities are in Will County, Illinois?
Will County contains 45 Census-designated places.