Gilman city, Illinois
Official LSAD Designation: Gilman city • Census GEOID: 1729275
• Iroquois County
Gilman city is an incorporated city in Iroquois County, Illinois. According to official records from the Census (2025), Gilman city had an estimated population of 1,681 residents. Official Census Bureau geographic records classify this community under LSAD designation Gilman city (GEOID 1729275).
Local Government Administration U.S. Census Bureau GMAF
City Of Gilman
Municipal
Official Title:
Clerk
Address:
215 N CENTRAL ST, GILMAN IL 60938-1218
County Of Iroquois
County
Official Title:
Chief Deputy
Address:
1001 E GRANT ST, WATSEKA IL 60970-1832
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 1,681 | 2025 |
| Median Household Income | $70,750 | 2020-2024 |
| Median Home Value | $120,500 | 2020-2024 |
| Land Area | 3.28 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).