There was a total of around $10 million of ranches, farms, hunting land and other rural land and acreage for sale in Montana's Carter County recently on Land.com. The total acreage of all Carter County farms and ranches for sale was nearly 10,000 acres. Carter County ranks 55th in the Treasure State for the total number of acres of land currently advertised for sale. Of all locations in Carter County with land and rural real estate for sale, Ekalaka had the most land for sale. Agriculture and farming drives the Carter County economy, with 327 farms recorded in the county during the U.S. Census in 2012. Farming activities in Carter County generate annual revenues of $5 million, the majority of which comes from livestock products. Carter County is the 15th largest county (3,348 square miles) in Montana. It's located in the Southeast Montana region of the state.