St. Lucas city, Iowa
Official LSAD Designation: St. Lucas city • Census GEOID: 1970050
• Fayette County
St. Lucas city is an incorporated city in Fayette County, Iowa. According to official records from the Census (2025), St. Lucas city had an estimated population of 166 residents. Official Census Bureau geographic records classify this community under LSAD designation St. Lucas city (GEOID 1970050).
Local Government Administration U.S. Census Bureau GMAF
City Of St Lucas
Municipal
Official Title:
City Clerk
Address:
PO BOX 244, SAINT LUCAS IA 52166-0244
County Of Fayette
County
Official Title:
Chairperson
Address:
PO BOX 267, WEST UNION IA 52175-0267
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 166 | 2025 |
| Median Household Income | $104,375 | 2020-2024 |
| Median Home Value | $134,400 | 2020-2024 |
| Land Area | 0.25 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).