Land for sale in Toole County, Montana, recently totaled approximately $4 million and almost 1,000 acres. Toole County ranks 43rd out of 56 counties in Big Sky Country for the combined amount of land currently advertised for sale. Sweet Grass had the most land for sale. Economically speaking, Toole County's is largely dependent on mining and mineral extraction-related businesses and services. Toole County is Montana's 34th largest county (1,945 square miles). It's located in the North Central Montana region of the state.