Le Mars city, Iowa
Official LSAD Designation: Le Mars city • Census GEOID: 1944400
• Plymouth County
Le Mars city is an incorporated city in Plymouth County, Iowa. According to official records from the Census (2025), Le Mars city had an estimated population of 10,760 residents. Official Census Bureau geographic records classify this community under LSAD designation Le Mars city (GEOID 1944400).
Local Government Administration U.S. Census Bureau GMAF
City Of Le Mars
Municipal
Official Title:
Mayor
Address:
40 CENTRAL AVE SE, LE MARS IA 51031
County Of Plymouth
County
Official Title:
County Auditor
Address:
215 4TH AVE SE, LE MARS IA 51031-2153
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 10,760 | 2025 |
| Median Household Income | $74,701 | 2020-2024 |
| Median Home Value | $219,200 | 2020-2024 |
| Land Area | 8.79 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).