| City : | Plymouth City |
| County : | Amador County, Lorain County |
| State : | California (CA) |
| | |
| Land Area : | 0.93 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 38.4779055 |
| Longitude : | -120.8410220 |
| | |
| Population (2010): | 1,005 |
| Population Estimate (2012) : | 1,328 |
| Population Density : | 1,079.69/sq mi |
| Housing Units (2012) : | 493 |
| Median Household Income (2012) : | $45,625 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $57,625 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $183,900 (California : $383,900, USA : $181,400) |