Will County's estimated 2026 population is 715,526 with a growth rate of 0.46% in the past year according to the most recent United States census data. Will County is the 4th largest county in Illinois. The 2010 population was 678,829 and has seen a growth of 5.41% since that time.
Data after 2023 is projected based on recent change
Overall: 39.1 years
Female: 39.8 years
Male: 38.3 years
There are 535,898 adults, (102,267 of whom are seniors) in Will County.
Female: 351,509 (50.1%)
Male: 349,953 (49.9%)
The racial composition of Will County includes 62.33% White, 11.84% Black or African American, 7.36% other race, 6.39% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 437,226 | 62.33% |
| Black or African American | 83,066 | 11.84% |
| Two or more races | 80,817 | 11.52% |
| Other race | 51,630 | 7.36% |
| Asian | 44,805 | 6.39% |
| Native American | 3,817 | 0.54% |
| Native Hawaiian or Pacific Islander | 101 | 0.01% |
Will County's average per capita income is $61,606. Household income levels show a median of $109,984. The poverty rate stands at 7.33%.
Name | Median | Mean |
|---|---|---|
| Married Families | $143,570 | $167,630 |
| Families | $127,796 | $150,669 |
| Households | $109,984 | $134,181 |
| Non Families | $59,495 | $77,087 |
Average Income
Median Household Income
Poverty Rate