Bottineau County is a county in the U.S. state of North Dakota. As of the 2020 census, the population was 6,379. Its county seat is Bottineau. Bottineau County has been known to have approximately several lakes in the County, they're mostly north-east of the county and North of the city Bottineau. Some of the International Peace Gardens are located in th…Bottineau County is a county in the U.S. state of North Dakota. As of the 2020 census, the population was 6,379. Its county seat is Bottineau. Bottineau County has been known to have approximately several lakes in the County, they're mostly north-east of the county and North of the city Bottineau. Some of the International Peace Gardens are located in the county, which is in the upper north-east area of the county.