Ottawa County, Michigan

Ottawa County
Ottawa County Courthouse in Grand Haven
Location within the U.S. state of Michigan
Michigan's location within the U.S.
Coordinates: 42°55′N 86°14′W / 42.92°N 86.23°W / 42.92; -86.23
Country United States
State Michigan
Founded1831 (authorized)
1837 (organized)
Named afterOttawa Nation
SeatGrand Haven
Largest cityHolland
Government
  AdministratorBen Wetmore
Area
  Total
1,631 sq mi (4,220 km2)
  Land563 sq mi (1,460 km2)
  Water1,068 sq mi (2,770 km2)  65%
Population
  Estimate 
(2022)
300,873
  Density526/sq mi (203/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Area code616
Congressional districts2nd, 3rd, 4th
Websitemiottawa.org

Ottawa County (/ˈɒtəwə/ OT-ə-wə) is a county located in the U.S. state of Michigan. As of the United States 2020 Census, the population was 296,200. The county seat is Grand Haven. The county is named for the Ottawa Nation. It was set off in 1831 and organized in 1837. Ottawa County is included in the Grand Rapids-Kentwood, MI Metropolitan Statistical Area and has a significant Dutch American population.

Area farmers produce more than $726 million in products annually, making Ottawa County an "agricultural powerhouse" in the state.