Marietta city, Ohio
Official LSAD Designation: Marietta city • Census GEOID: 3947628
• Washington County
Marietta city is an incorporated city in Washington County, Ohio. According to official records from the Census (2025), Marietta city had an estimated population of 13,053 residents. Official Census Bureau geographic records classify this community under LSAD designation Marietta city (GEOID 3947628).
Local Government Administration U.S. Census Bureau GMAF
City Of Marietta
Municipal
Official Title:
Mayor
Address:
301 PUTNAM ST, FRNT, MARIETTA OH 45750-3016
County Of Washington
County
Official Title:
Safety/loss Control Coordinator
Address:
223 PUTNAM ST, MARIETTA OH 45750-3015
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 13,053 | 2025 |
| Median Household Income | $47,873 | 2020-2024 |
| Median Home Value | $161,800 | 2020-2024 |
| Land Area | 8.43 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).