Viola village, Illinois
Official LSAD Designation: Viola village • Census GEOID: 1778123
• Mercer County
Viola village is an incorporated village in Mercer County, Illinois. According to official records from the Census (2025), Viola village had an estimated population of 836 residents. Official Census Bureau geographic records classify this community under LSAD designation Viola village (GEOID 1778123).
Local Government Administration U.S. Census Bureau GMAF
Village Of Viola
Municipal
Official Title:
Treasurer
Address:
PO BOX 278, VIOLA IL 61486-0278
County Of Mercer
County
Official Title:
Mercer County Clerk
Address:
COUNTY BUILDING, ALEDO IL 61231
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 836 | 2025 |
| Median Household Income | $72,500 | 2020-2024 |
| Median Home Value | $120,000 | 2020-2024 |
| Land Area | 0.84 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).