Grafton city, Illinois
Official LSAD Designation: Grafton city • Census GEOID: 1730653
• Jersey County
Grafton city is an incorporated city in Jersey County, Illinois. According to official records from the Census (2025), Grafton city had an estimated population of 773 residents. Official Census Bureau geographic records classify this community under LSAD designation Grafton city (GEOID 1730653).
Local Government Administration U.S. Census Bureau GMAF
City Of Grafton
Municipal
Official Title:
Admin Asst.
Address:
PO BOX 287, GRAFTON IL 62037-0287
County Of Jersey
County
Official Title:
Jersey County Clerk
Address:
200 N LAFAYETTE ST, STE 1, JERSEYVILLE IL 62052-1681
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 773 | 2025 |
| Median Household Income | $105,417 | 2020-2024 |
| Median Home Value | $275,800 | 2020-2024 |
| Land Area | 3.71 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).