
Plymouth
- County:
- Amador County
- County Seat:
- No
- Area (mi²):
- 2.652
- State:
- California
Plymouth is a city located in Amador County, California. Plymouth has a 2025 population of 1,165. Plymouth is currently growing at a rate of 1.48% annually and its population has increased by 7.97% since the most recent census, which recorded a population of 1,079 in 2020.
The average household income in Plymouth is $95,211 with a poverty rate of 14.96%. The median age in Plymouth is 43.1 years: 42.3 years for males, and 44.4 years for females.