
Plymouth
- County:
- Sheboygan County
- County Seat:
- No
- Area (mi²):
- 5.361
- State:
- Wisconsin
Plymouth is a city located in Sheboygan County, Wisconsin. Plymouth has a 2025 population of 8,886. Plymouth is currently declining at a rate of -0.12% annually and its population has decreased by -0.62% since the most recent census, which recorded a population of 8,941 in 2020.
The average household income in Plymouth is $81,271 with a poverty rate of 8.67%. The median age in Plymouth is 44.2 years: 39.8 years for males, and 49 years for females.