Joliet, IL Census Data
Key demographic and economic indicators for Joliet, Illinois from the 2023 American Community Survey (ACS) 5-year estimates.
Updated: 2026-03-23 · Source: U.S. Census Bureau, ACS 2023
Population
149,785
49.6% male · 50.4% female
Median Age
35.3
3.4 below the national average (38.7 yrs)
Median Household Income
$88,026
9,488.0 above the national average ($78,538)
Bachelor's Degree or Higher
25.0%
10.0 below the national average (35.0%)
HS diploma or higher: 84.9%
Poverty Rate
11.0%
1.4 below the national average (12.4%)
Uninsured: 8.8%
Broadband Access
95.9%
6.2 above the national average (89.7%)
Median Home Value
$248,600
Median rent: $1,237 · 73% owner-occupied
Unemployment Rate
5.8%
Labor force participation: 64.8%
Demographics
Race & Ethnicity
Age Distribution
Commute to Work
Joliet, IL Frequently Asked Questions
What is the population of Joliet, IL?
The population of Joliet, IL is 149,785 according to the 2023 American Community Survey 5-year estimates. The median age is 35.3 years.
What is the median household income in Joliet?
The median household income in Joliet, IL is $88,026, above the national average of $78,538. Per capita income is $42,388.
What is the poverty rate in Joliet?
The poverty rate in Joliet, IL is 11.0%, compared to the national average of 12.4%. About 8.8% of residents lack health insurance.
What percentage of Joliet residents have a college degree?
25.0% of adults (25+) in Joliet hold a bachelor's degree or higher, and 84.9% have at least a high school diploma. The national average for bachelor's degree holders is 35.0%.
What is the median home value in Joliet?
The median home value in Joliet, IL is $248,600. Median rent is $1,237 per month, with 73% of housing units owner-occupied.
What is the racial makeup of Joliet?
Joliet's population is 52.7% White, 17.0% Black, 34.7% Hispanic or Latino, and 2.1% Asian (source: 2023 ACS).