The total value of farms, ranches, and rural real estate for sale in Missouri's Carter County recently on Land.com was nearly $22 million. This represents approximately 3,000 acres of land and rural real estate for sale in Carter County. Carter County ranks 79th out of 115 counties in the Show Me State for the combined amount of land currently advertised for sale. Of all farms and ranches for sale in Carter County, Van Buren had the most land for sale. Carter County is Missouri's 82nd biggest county (509 square miles). It's located in the Southeast Missouri region of Missouri.