
Plymouth
- County:
- Wayne County
- County Seat:
- No
- Area (mi²):
- 2.212
- State:
- Michigan
Plymouth is a city located in Wayne County, Michigan. Plymouth has a 2025 population of 9,036. Plymouth is currently declining at a rate of -0.64% annually and its population has decreased by -3.13% since the most recent census, which recorded a population of 9,328 in 2020.
The average household income in Plymouth is $151,777 with a poverty rate of 3.06%. The median age in Plymouth is 44.1 years: 43.6 years for males, and 45.1 years for females.