The combined value of farms, ranches, and rural real estate for sale in Kentucky's Calloway County recently on Land.com was nearly $136 million. This represents almost 5,000 acres of farms, ranches, hunting land and other land for sale in Calloway County. Calloway County ranks 10th in the state for the total number of acres of land currently advertised for sale. Of all land and rural real estate for sale in Calloway County, Murray had the most land for sale. Government and state-level services are the main economic drivers in Calloway County. Calloway County is the 33rd biggest county (410 square miles) in Kentucky. It's located in the Western Kentucky region of the state.