Joliet is a city located in Will County, Illinois. Joliet has a 2025 population of 152,208. 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 1.23% since the most recent census, which recorded a population of 150,352 in 2020.
The average household income in Joliet is $103,281 with a poverty rate of 11.03%. The median age in Joliet is 35.3 years: 34.4 years for males, and 36 years for females.
Data after 2023 is projected based on recent change
The racial composition of Joliet includes 52.7% White, 16.98% Black or African American, 14.47% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (52.7%)
Black or African American (17.0%)
Other race (14.5%)
Two or more races (13.0%)
Asian (2.1%)
Native American (0.8%)
Native Hawaiian or Pacific Islander (NaN%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 78,944 | 52.7% |
| Black or African American | 25,428 | 16.98% |
| Other race | 21,678 | 14.47% |
| Two or more races | 19,404 | 12.95% |
| Asian | 3,161 | 2.11% |
| Native American | 1,169 | 0.78% |
| Native Hawaiian or Pacific Islander | 1 | 0% |
Married
Widowed
Divorced
Separated
Never Married
Joliet's average per capita income is $50,746. Household income levels show a median of $88,026. The poverty rate stands at 11.03%.
Name | Median | Mean |
|---|---|---|
| Married Families | $119,277 | $132,092 |
| Families | $102,373 | $115,291 |
| Households | $88,026 | $103,281 |
| Non Families | $52,586 | $65,778 |
Average Income
Median Household Income
Poverty Rate