Antrim County, Michigan

Antrim County
Antrim County Courthouse
Location within the U.S. state of Michigan
Michigan's location within the U.S.
Coordinates: 45°01′N 85°11′W / 45.01°N 85.18°W / 45.01; -85.18
Country United States
State Michigan
Founded1840 (authorized)
1863 (organized)
Named afterCounty Antrim
SeatBellaire
Largest villageElk Rapids
Area
  Total
602 sq mi (1,560 km2)
  Land476 sq mi (1,230 km2)
  Water126 sq mi (330 km2)  21%
Population
 (2020)
  Total
23,431
  Estimate 
(2023)
24,409
  Density39/sq mi (15/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district1st
Websitehttps://www.antrimcounty.org/

Antrim County (/ˈæntrəm/ AN-trəm) is a county located in the U.S. state of Michigan. As of the 2020 census, the population was 23,431. The county seat is Bellaire. The name is taken from County Antrim in Northern Ireland. Antrim County is home to Torch Lake, Michigan's deepest and second-largest inland lake. Torch Lake, famous for its clear and blue waters, is part of the Chain of Lakes Watershed, most of which lies within Antrim County. The county is bordered to the west by Grand Traverse Bay, a bay of Lake Michigan.