Warrenville
cityWarrenville, Illinois, is a far west suburb of Chicago, located in DuPage County along the DuPage River. As of the 2024 special census, the city's population was 15,195. Warrenville offers a blend of small-town charm and access to the resources of the Chicago metropolitan area. The city is part of the Illinois Technology and Research Corridor and is located just north of I-88. Warrenville's economy includes sectors such as healthcare, wholesale trade, and professional, scientific, and technical services. While specific major employers are not consistently listed, the city benefits from its location within the DuPage County's dynamic economic region. The city also provides various municipal services, including police, fire, public works, and a library. Warrenville's history dates back to 1833, with its official incorporation as a city in 1967. The city was founded when Julius Warren and his family moved west and claimed land along the DuPage River. Warrenville offers a high quality of life with its parks, community events, and access to outdoor recreational opportunities.
Warrenville, Illinois
- Classification
- City
- FIPS Code
- 17-78929
- Country
- United States
- County
- DuPage
- Region
- Chicago Metropolitan Area
- Elevation
- 702 ft
- Total Area
- 5.61 sq mi
- Land Area
- 5.46 sq mi
- Water Area
- 0.15 sq mi
- Latitude
- 41.82083
- Longitude
- -88.18556
- Climate
- Humid continental climate with cold, snowy winters and warm, humid summers. The average winter temperature is 24°F, while the average summer temperature is 81°F.
- Notable Features
- DuPage River · Warrenville Grove Forest Preserve · McDowell Woods
- Neighboring Areas
- Naperville · Wheaton · Lisle · West Chicago · Aurora
- Population (2020)
- 13,553
- Est. Population (2024)
- 15,247
- Median Age
- 37.2
- Median Income
- $99,028
- Poverty Rate
- 7.8%
- Owner-Occupied
- 75.8%
- Racial & Ethnic Composition
- The racial makeup of the city is 63% White, 23.5% Hispanic or Latino, 6.34% Asian, 5.02% Black or African American, and the remainder a mix of other races.
- Government Type
- Mayor-Council
- Governing Body
- City Council
- Body Size
- 8 members
- School District
- Community Unit School District 200
- Municipal Services
- Police · Fire · Public Works · Parks & Recreation · Library · Community Development · Engineering



















- Economic Profile
- Residential/suburban · Commercial
- Employment Sectors
- Health Care and Social Assistance · Wholesale Trade · Professional, Scientific, and Technical Services
- School Districts
- Community Unit School District 200
- Transportation
- Interstate 88 · DuPage County roads · Illinois Prairie Path
- Utilities
- Municipal water · Sewer services
- Major Facilities
- None
- Outdoor Access
- Yes
- Major Recreation Areas
- Warrenville Grove Forest Preserve · Blackwell Forest Preserve · DuPage River
- Parks & Trails
- Cerny Park · Lions Park · Illinois Prairie Path · Kiwanis Park · Summerlakes Park · Sesquicentennial Park · Leone Schmidt Heritage Park
- Founded
- 1833
- Incorporated
- 1967
- Named After
- Julius Warren
- Historical Significance
- Warrenville transitioned from a farming community and vacation spot to a suburban center with a mix of residential and commercial development.
- Key Events
- Julius Warren family settled in 1833 · Establishment of lumber business and boardinghouse · Connection to Naperville via Chicago-Southwest Plank Road in 1849 · Arrival of Chicago Aurora and Elgin Railway in 1902 · Incorporation as a city in 1967
