Plymouth city, California
Official LSAD Designation: Plymouth city • Census GEOID: 0657834
• Amador County
Demographics & Population Profile
Population and demographics for Plymouth city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 1,174 | — | 2025 | Census |
| Median Age | 46.6 yrs | ±4.6 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 386 | ±88 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).