
Alpena
- County:
- Alpena County
- County Seat:
- Yes
- Area (mi²):
- 8.172
- State:
- Michigan
Alpena is a city located in Alpena County, Michigan. Alpena has a 2025 population of 10,085. It is also the county seat of .Alpena is currently declining at a rate of -0.22% annually and its population has decreased by -1.1% since the most recent census, which recorded a population of 10,197 in 2020.
The average household income in Alpena is $65,374 with a poverty rate of 19.23%. The median age in Alpena is 45.2 years: 41.4 years for males, and 50.2 years for females.