Naperville city, Illinois
Official LSAD Designation: Naperville city • Census GEOID: 1751622
• DuPage County / Will County
Naperville city is an incorporated city in DuPage County, Will County, Illinois. According to official records from the Census (2025), Naperville city had an estimated population of 153,114 residents. Official Census Bureau geographic records classify this community under LSAD designation Naperville city (GEOID 1751622).
Local Government Administration U.S. Census Bureau GMAF
City Of Naperville
Municipal
Official Title:
Supervisor
Address:
400 S EAGLE ST, # 3020, NAPERVILLE IL 60540-5279
County Of Dupage
County
Official Title:
Accountant
Address:
421 N COUNTY FARM RD, WHEATON IL 60187-3992
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 153,114 | 2025 |
| Median Household Income | $155,105 | 2020-2024 |
| Median Home Value | $540,200 | 2020-2024 |
| Land Area | 39.40 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).