Towner is a city in McHenry County, North Dakota. It is the county seat of McHenry County. The population was 479 at the time of the 2020 ce…Towner is a city in McHenry County, North Dakota. It is the county seat of McHenry County. The population was 479 at the time of the 2020 census. It is part of the Minot Micropolitan Statistical Area. Towner was founded in 1886.