Lamoni city, Iowa
Official LSAD Designation: Lamoni city • Census GEOID: 1942960
• Decatur County
Lamoni city is an incorporated city in Decatur County, Iowa. According to official records from the Census (2025), Lamoni city had an estimated population of 2,074 residents. Official Census Bureau geographic records classify this community under LSAD designation Lamoni city (GEOID 1942960).
Local Government Administration U.S. Census Bureau GMAF
City Of Lamoni
Municipal
Official Title:
Mayor
Address:
190 S CHESTNUT ST, LAMONI IA 50140-1236
County Of Decatur
County
Official Title:
Chairman Decatur County Board Of Supervisors
Address:
207 N MAIN ST, LEON IA 50144-1647
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 2,074 | 2025 |
| Median Household Income | $54,554 | 2020-2024 |
| Median Home Value | $113,400 | 2020-2024 |
| Land Area | 3.95 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).