Warrenville, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Warrenville, Illinois is 14,232 as of the 2023 American Community Survey, making it the 172nd-largest city in Illinois. The median household income is $99,028, the median home value is $266,500, and the median age is 37.2.
The population has grown 15.5% since 2010 (13,197 → 15,247).
14,232
Population
2623
People / sq mi
$99,028
Median Income
$266,500
Median Home Value
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Warrenville covers 5.4 sq mi of land at 2623 people per square mile.
About Warrenville, IL
Homeownership is the standout figure in Warrenville: 75.8% of homes are owner-occupied, higher than the national rate. Warrenville is a city in Illinois with a population of 14,232.
Household earnings are middling, with a median of $99,028 — above the US median of $78,538. Poverty runs at 7.8%, below the national 12.4%. Median home value is $266,500, with typical rent around $1,759.
42.5% of adults 25 and older hold a bachelor’s degree, above the national average of 35.0%. Around 13.9% of workers work from home, close to the national 14.0%, and the average commute runs about 26 minutes each way.
The ownership rate anchors the housing story in Warrenville, and tends to move with the age structure and home-value figures above.
Warrenville city Population History (2010-2024)
The city of Warrenville city had a population of 13,197 in 2010 and 15,247 in 2024, a 15.5% growth over 14 years. The peak was 15,247 in 2024. Average annual growth rate: 1.06%.
15,247
Population (2024)
13,197
Population (2010)
15,247
Peak (2024)
1.06%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 13,197 |
| 2011 | 13,261 |
| 2012 | 13,300 |
| 2013 | 13,352 |
| 2014 | 13,340 |
| 2015 | 13,319 |
| 2016 | 13,272 |
| 2017 | 13,273 |
| 2018 | 13,239 |
| 2019 | 13,174 |
| 2020 | 13,631 |
| 2021 | 14,657 |
| 2022 | 14,874 |
| 2023 | 15,132 |
| 2024 | 15,247 |
Race & Ethnicity
| White | 68.3% |
| Black or African American | 5.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.8% |
| Two or More Races | 0.0% |
Economy & Income
$99,028
Median Household Income
$49,159
Per Capita Income
7.8%
Poverty Rate
2.6%
Unemployment Rate
Housing
$266,500
Median Home Value
$1,759
Median Rent
75.8%
Owner-Occupied
Education
86.2%
High School+
42.5%
Bachelor's+
Commute
2.4%
Drive Alone
73.6%
Public Transit
13.9%
Work From Home
26.2 min
Avg Commute
Community Profile
17.8%
Foreign Born
71.4%
Non-English at Home
5.2%
Veterans
10.7%
With Disability
94.6%
Health Insurance
97.8%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 19.0% |
| Manufacturing | 12.6% |
| Finance, Insurance & Real Estate | 12.1% |
| Education, Health Care & Social Services | 10.1% |
| Construction | 7.4% |
| Information | 6.8% |
| Arts, Entertainment & Food Services | 6.5% |
| Retail Trade | 5.1% |
| Public Administration | 4.0% |
| Transportation & Warehousing | 1.2% |
| Agriculture & Mining | 1.1% |
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Frequently Asked Questions
Warrenville, Illinois has a population of 14,232 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 172nd-largest city in Illinois.
The median household income in Warrenville, Illinois is $99,028, with 7.8% of residents living below the federal poverty level.
The median home value in Warrenville, Illinois is $266,500, with median monthly rent at $1,759 and a homeownership rate of 75.8%.
The median age in Warrenville, Illinois is 37.2 years. The population is 50.0% male and 50.0% female.
The population has grown 15.5% since 2010 (13,197 → 15,247).
Warrenville city, IL Climate
Warrenville city, IL has an average annual temperature of 9.6°C (49°F) and receives about 948 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.6°C
Avg Temp
948
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -6° / 21° | 40 mm |
| February | -3° / 26° | 36 mm |
| March | 3° / 37° | 66 mm |
| April | 9° / 49° | 98 mm |
| May | 16° / 60° | 97 mm |
| June | 21° / 69° | 107 mm |
| July | 23° / 74° | 99 mm |
| August | 22° / 72° | 104 mm |
| September | 18° / 64° | 95 mm |
| October | 11° / 52° | 68 mm |
| November | 4° / 39° | 78 mm |
| December | -3° / 27° | 60 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Warrenville city, IL
The most comfortable months to visit Warrenville city, IL are typically June, August and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is January (near -11°C low). June is usually the wettest month.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.