Beltrami County is a county in the northern part of the U.S. state of Minnesota. As of the 2020 census, the population was 46,228. Its county seat is Bemidji. The county's name comes from Italian adventurer Giacomo Beltrami from Bergamo, who explored the area in 1825. The county was created in 1866 and organized in 1896.

Bemidji is a city and the county seat of Beltrami County, in northern Minnesota, United States. The population was 14,574 at the 2020 census. According to 2022 census estimates, the city is estimated to have a population of 15,946, making it the largest commercial center between Grand Forks, North Dakota and Duluth.