
Portsmouth charter township
- County:
- Bay County
- County Seat:
- No
- Area (mi²):
- 20.049
- State:
- Michigan
Portsmouth charter township is located in Bay County, Michigan. Portsmouth charter township has a 2025 population of 3,159. Portsmouth charter township is currently declining at a rate of -0.19% annually and its population has decreased by -1.92% since the most recent census, which recorded a population of 3,221 in 2020.
The average household income in Portsmouth charter township is $80,633 with a poverty rate of 6.7%. The median age in Portsmouth charter township is 43.7 years: 42.6 years for males, and 45.7 years for females.