Beltrami County is a county located in the northern part of the U.S. state of Minnesota. As of 2000, the population was 39,650. Its county seat is Bemidji.6 Portions of the Leech Lake and Red Lake Indian reservations are in the county.
According to the U.S. Census Bureau, the county has a total area of 7,914 km˛ (3,056 mi˛). 6,489 km˛ (2,505 mi˛) of it is land and 1,425 km˛ (550 mi˛) of it (18.01%) is water.