Land for sale in Pondera County recently totaled $1 million and nearly 1,000 acres. Pondera County ranks 47th in the state for the combined amount of land currently advertised for sale. Of all locations in Pondera County with farms and ranches for sale, Valier featured the most land for sale. Pondera County is Montana's 45th largest county (1,641 square miles). It's located in the North Central Montana region of Montana.