Land for sale in Blaine County, Montana, recently totaled approximately $18 million and nearly 9,000 acres. Blaine County ranks 33rd out of 56 counties in the state for the combined amount of land currently advertised for sale. Of all farms, ranches, hunting land and other land for sale in Blaine County, Chinook had the most land for sale. Its economy is defined as agricultural, with 546 farms recorded in the county during the most recent U.S. Census. Farming activities in Blaine County generate annual revenues of $6 million, most of which is from crops. Blaine County is one of the ten biggest counties in Montana (4,238 square miles). It's located in the North Central Montana region of Montana.