Lamar city, Missouri
Official LSAD Designation: Lamar city • Census GEOID: 2940376
• Barton County
Lamar city is an incorporated city in Barton County, Missouri. According to official records from the Census (2025), Lamar city had an estimated population of 4,337 residents. Official Census Bureau geographic records classify this community under LSAD designation Lamar city (GEOID 2940376).
Local Government Administration U.S. Census Bureau GMAF
City Of Lamar
Municipal
Official Title:
Administrator
Address:
1104 BROADWAY ST, LAMAR MO 64759-1759
County Of Barton
County
Official Title:
County Clerk
Address:
1004 GULF ST, RM 103, LAMAR MO 64759-1498
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 4,337 | 2025 |
| Median Household Income | $36,705 | 2020-2024 |
| Median Home Value | $117,200 | 2020-2024 |
| Land Area | 5.21 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).