Henry city, Illinois
Official LSAD Designation: Henry city • Census GEOID: 1734163
• Marshall County
Henry city is an incorporated city in Marshall County, Illinois. According to official records from the Census (2025), Henry city had an estimated population of 2,280 residents. Official Census Bureau geographic records classify this community under LSAD designation Henry city (GEOID 1734163).
Local Government Administration U.S. Census Bureau GMAF
City Of Henry
Municipal
Official Title:
City Clerk
Address:
PO BOX 196, 514 FRONT ST, HENRY IL 61537-1514
County Of Marshall
County
Official Title:
County Clerk
Address:
PO BOX 328, LACON IL 61540-0328
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 2,280 | 2025 |
| Median Household Income | $65,577 | 2020-2024 |
| Median Home Value | $117,000 | 2020-2024 |
| Land Area | 1.80 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).