Alpena County, Michigan
Alpena County, Michigan | |
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Flag Seal | |
Location within the U.S. state of Michigan | |
| Coordinates: 45°02′N 83°12′W / 45.04°N 83.2°W | |
| Country | United States |
| State | Michigan |
| Founded | February 7, 1857 |
| Seat | Alpena |
| Largest city | Alpena |
| Area | |
• Total | 1,695 sq mi (4,390 km2) |
| • Land | 572 sq mi (1,480 km2) |
| • Water | 1,123 sq mi (2,910 km2) 66% |
| Population (2020) | |
• Total | 28,907 |
• Estimate (2024) | 28,903 |
| • Density | 50.5/sq mi (19.5/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional district | 1st |
| Website | www |
Alpena County (/ælˈpiːnə/ al-PEE-nə) is a county in the U.S. state of Michigan. As of the 2020 census, the population was 28,907. The county seat is Alpena. It is considered to be part of Northern Michigan. Alpena County comprises the Alpena, MI Micropolitan Statistical Area.