Naperville, IL Census Data
The 4th largest city in Illinois by population · 29 cities ranked
Naperville is the 4th largest city in Illinois by population and ranks 1st of 29 for median household income. With 149,424 residents, it has a lower poverty rate than 28 other Illinois cities. This snapshot draws from the 2023 American Community Survey (ACS) 5-year estimates.
Updated: 2026-04-13 · Source: U.S. Census Bureau, ACS 2023
Population
149,424
49.6% male · 50.4% female
Median Age
40.1
1.4 above the national average (38.7 yrs)
Median Household Income
$150,937
$72,399 above the national average ($78,538)
Bachelor's Degree or Higher
71.7%
36.7% above the national average (35.0%)
HS diploma or higher: 97.2%
Poverty Rate
4.4%
8.0% below the national average (12.4%)
Uninsured: 2.5%
Broadband Access
98.6%
8.9% above the national average (89.7%)
Median Home Value
$509,900
Median rent: $1,852 · 74% owner-occupied
Unemployment Rate
4.2%
Labor force participation: 65.4%
Per Capita Income
$76,983
Individual average income (not household)
Veteran Population
3.1%
Disability rate: 7.1%
How Naperville Compares to Other Illinois Cities
Rankings among all 29 Illinois cities tracked in the 2023 ACS.
| Ranking | Position | Tier |
|---|---|---|
| Largest by Population | 4th of 29 | Top 25% |
| Highest Median Income | 1st of 29 | Top 10% |
| Lowest Poverty Rate | 1st of 29 | Top 10% |
| Highest Bachelor's Attainment | 2nd of 29 | Top 10% |
| Highest Home Value | 1st of 29 | Top 10% |
Demographics
Race & Ethnicity
Age Distribution
Commute to Work
Naperville, IL Frequently Asked Questions
What is the population of Naperville, IL?
The population of Naperville, IL is 149,424 according to the 2023 American Community Survey 5-year estimates. The median age is 40.1 years.
What is the median household income in Naperville?
The median household income in Naperville, IL is $150,937, above the national average of $78,538. Per capita income is $76,983.
What is the poverty rate in Naperville?
The poverty rate in Naperville, IL is 4.4%, compared to the national average of 12.4%. About 2.5% of residents lack health insurance.
What percentage of Naperville residents have a college degree?
71.7% of adults (25+) in Naperville hold a bachelor's degree or higher, and 97.2% 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 Naperville?
The median home value in Naperville, IL is $509,900. Median rent is $1,852 per month, with 74% of housing units owner-occupied.
What is the racial makeup of Naperville?
Naperville's population is 64.5% White, 4.4% Black, 7.4% Hispanic or Latino, and 21.8% Asian (source: 2023 ACS).
How does Naperville rank among Illinois cities?
Naperville is the 4th largest city in Illinois by population, the 1st highest for median household income, the 1st lowest for poverty rate, the 2nd highest for bachelor's degree attainment among 29 ranked Illinois cities.
What is the unemployment rate in Naperville?
The unemployment rate in Naperville, IL is 4.2%, with a labor force participation rate of 65.4%. Per capita income is $76,983.
Cities Similar to Naperville
Other Illinois cities with comparable population and income levels.