Joliet is a city located in Will County, Illinois. Joliet has a 2026 population of 152,579. It is also the county seat of Will County. Joliet is currently growing at a rate of 0.24% annually and its population has increased by 1.48% since the most recent census, which recorded a population of 150,352 in 2020.
The median household income in Joliet is $92,201 with a poverty rate of 11.06%. The median age in Joliet is 35.8 years: 34.9 years for males, and 36.7 years for females. For every 100 females there are 101.5 males.
Data after 2023 is projected based on recent change
Overall: 35.8 years
Female: 36.7 years
Male: 34.9 years
There are 113,782 adults, (17,319 of whom are seniors) in Joliet.
Female: 74,661 (49.6%)
Male: 75,784 (50.4%)
The racial composition of Joliet includes 49.89% White, 16.27% Black or African American, 14.34% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 75,063 | 49.89% |
| Black or African American | 24,480 | 16.27% |
| Two or more races | 24,125 | 16.04% |
| Other race | 21,568 | 14.34% |
| Asian | 3,727 | 2.48% |
| Native American | 1,428 | 0.95% |
| Native Hawaiian or Pacific Islander | 54 | 0.04% |
Joliet 's average per capita income is $52,399. Household income levels show a median of $92,201. The poverty rate stands at 11.06%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $125,602 | $137,755 |
| Families | $107,462 | $118,396 |
| Households | $92,201 | $106,289 |
| Non Families | $53,113 | $67,745 |
Average Income
Median Household Income
Poverty Rate