Romeoville, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Romeoville, Illinois is 40,996 as of the 2023 American Community Survey, making it the 38th-largest city in Illinois. The median household income is $100,022, the median home value is $245,200, and the median age is 35.5.
The population has grown 3.7% since 2010 (39,704 → 41,177).
40,996
Population
2121
People / sq mi
$100,022
Median Income
$245,200
Median Home Value
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Romeoville covers 19.3 sq mi of land at 2121 people per square mile.
About Romeoville, IL
Romeoville is distinguished by its share of foreign-born residents, 9.2% of the population. With 40,996 residents, Romeoville is a city in Illinois. It ranks #38 among cities in Illinois by population.
Median household income is $100,022, above the US median of $78,538. Poverty is relatively low for US cities at 3.9%, below the national 12.4%. The typical home is valued at $245,200, with typical rent around $1,892.
College attainment is 23.1%, below the national 35.0%. Around 10.9% of workers work from home, below the national 14.0%, and the average commute runs about 32 minutes each way.
Romeoville village Population History (2010-2024)
The city of Romeoville village had a population of 39,704 in 2010 and 41,177 in 2024, a 3.7% growth over 14 years. The peak was 41,449 in 2021. Average annual growth rate: 0.26%.
41,177
Population (2024)
39,704
Population (2010)
41,449
Peak (2021)
0.26%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 39,704 |
| 2011 | 39,800 |
| 2012 | 39,851 |
| 2013 | 39,798 |
| 2014 | 39,793 |
| 2015 | 39,731 |
| 2016 | 39,724 |
| 2017 | 39,616 |
| 2018 | 39,576 |
| 2019 | 39,746 |
| 2020 | 40,809 |
| 2021 | 41,449 |
| 2022 | 41,124 |
| 2023 | 41,105 |
| 2024 | 41,177 |
Race & Ethnicity
| White | 51.6% |
| Black or African American | 12.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.9% |
| Two or More Races | 0.0% |
Economy & Income
$100,022
Median Household Income
$35,977
Per Capita Income
3.9%
Poverty Rate
3.5%
Unemployment Rate
Housing
$245,200
Median Home Value
$1,892
Median Rent
82.3%
Owner-Occupied
Education
83.3%
High School+
23.1%
Bachelor's+
Commute
2.0%
Drive Alone
72.8%
Public Transit
10.9%
Work From Home
31.6 min
Avg Commute
Community Profile
9.2%
Foreign Born
61.6%
Non-English at Home
4.5%
Veterans
10.5%
With Disability
92.2%
Health Insurance
96.4%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 19.9% |
| Manufacturing | 13.7% |
| Retail Trade | 11.1% |
| Finance, Insurance & Real Estate | 10.7% |
| Education, Health Care & Social Services | 7.1% |
| Information | 6.0% |
| Construction | 5.5% |
| Arts, Entertainment & Food Services | 4.6% |
| Public Administration | 2.1% |
| Transportation & Warehousing | 1.6% |
| Agriculture & Mining | 0.3% |
Largest cities in Illinois
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City rankings
Frequently Asked Questions
Romeoville, Illinois has a population of 40,996 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 38th-largest city in Illinois.
The median household income in Romeoville, Illinois is $100,022, with 3.9% of residents living below the federal poverty level.
The median home value in Romeoville, Illinois is $245,200, with median monthly rent at $1,892 and a homeownership rate of 82.3%.
The median age in Romeoville, Illinois is 35.5 years. The population is 49.1% male and 50.9% female.
The population has grown 3.7% since 2010 (39,704 → 41,177).
Where to stay in Romeoville
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.