Marthasville city, Missouri
Official LSAD Designation: Marthasville city • Census GEOID: 2946424
• Warren County
Marthasville city is an incorporated city in Warren County, Missouri. According to official records from the Census (2025), Marthasville city had an estimated population of 1,302 residents. Official Census Bureau geographic records classify this community under LSAD designation Marthasville city (GEOID 2946424).
Local Government Administration U.S. Census Bureau GMAF
City Of Marthasville
Municipal
Official Title:
City Clerk
Address:
402 E MAIN ST, MARTHASVILLE MO 63357-1721
County Of Warren
County
Official Title:
Deputy County Clerk
Address:
101 MOCKINGBIRD LN, STE 302, WARRENTON MO 63383
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 1,302 | 2025 |
| Median Household Income | $112,083 | 2020-2024 |
| Median Home Value | $182,900 | 2020-2024 |
| Land Area | 0.85 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).