Alpena County Flag

Alpena County

State:
Michigan
County Seat:
Alpena

Alpena County's estimated 2026 population is 28,969 with a growth rate of 0.11% in the past year according to the most recent United States census data. Alpena County is the 49th largest county in Michigan. The 2010 population was 29,511 and has seen a growth of -1.84% since that time.

28,969
Total Population
51
Population Density (mi²)
49
Population Rank (State)
33 0.11%
Annual Population Growth

Alpena County Population

Demographics

Economics and Income Statistics