There was a total of $5 million of farms and ranches for sale in Liberty County recently on Land.com. The total of all Liberty County land for sale was approximately 1,000 acres. Liberty County ranks 36th out of 56 counties in the state for the total acreage of land currently advertised for sale. Chester had the most land for sale. Agriculture and farming drives the Liberty County economy, with 304 farms recorded in the county during the U.S. Census in 2012. Farming activities in Liberty County generate annual revenues of $5 million, most of which is from crops. Liberty County is Montana's 47th biggest county (1,447 square miles). It's located in the North Central Montana region of the state.