Plymouth city, Indiana
Official LSAD Designation: Plymouth city • Census GEOID: 1860822
• Marshall County
Plymouth city is an incorporated city in Marshall County, Indiana. According to official records from the Census (2025), Plymouth city had an estimated population of 11,081 residents. Official Census Bureau geographic records classify this community under LSAD designation Plymouth city (GEOID 1860822).
Local Government Administration U.S. Census Bureau GMAF
City Of Plymouth
Municipal
Official Title:
Mayor
Address:
PO BOX 492, PLYMOUTH IN 46563
County Of Marshall
County
Official Title:
Plan Director
Address:
112 W JEFFERSON ST, STE 302, PLYMOUTH IN 46563-1771
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 11,081 | 2025 |
| Median Household Income | $58,623 | 2020-2024 |
| Median Home Value | $131,800 | 2020-2024 |
| Land Area | 7.57 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).