Darien city, Illinois
Official LSAD Designation: Darien city • Census GEOID: 1718628
• DuPage County
Darien city is an incorporated city in DuPage County, Illinois. According to official records from the Census (2025), Darien city had an estimated population of 22,032 residents. Official Census Bureau geographic records classify this community under LSAD designation Darien city (GEOID 1718628).
Local Government Administration U.S. Census Bureau GMAF
City Of Darien
Municipal
Official Title:
Assistant City Administrator
Address:
1702 PLAINFIELD RD, DARIEN IL 60561-5097
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 | 22,032 | 2025 |
| Median Household Income | $111,215 | 2020-2024 |
| Median Home Value | $398,700 | 2020-2024 |
| Land Area | 6.18 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).