Thayer village, Illinois
Official LSAD Designation: Thayer village • Census GEOID: 1774860
• Sangamon County
Thayer village is an incorporated village in Sangamon County, Illinois. According to official records from the Census (2025), Thayer village had an estimated population of 615 residents. Official Census Bureau geographic records classify this community under LSAD designation Thayer village (GEOID 1774860).
Local Government Administration U.S. Census Bureau GMAF
Village Of Thayer
Municipal
Official Title:
Village Clerk
Address:
PO BOX 139, THAYER IL 62689-0139
County Of Sangamon
County
Official Title:
Dep. Auditor
Address:
200 S 9TH ST, STE 201, SPRINGFIELD IL 62701-1967
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 615 | 2025 |
| Median Household Income | $62,083 | 2020-2024 |
| Median Home Value | $97,100 | 2020-2024 |
| Land Area | 0.61 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).