The overall value of land and rural real estate for sale in Florida's Seminole County recently on Land.com was around $272 million. This represents almost 7,000 acres of farms, hunting land and other rural land and acreage for sale in Seminole County. Seminole County ranks 41st in the Sunshine State for the total number of acres of land currently advertised for sale. Of all farms, rural land, hunting land and other land for sale in Seminole County, Sanford featured the most land for sale. Seminole County is the 65th largest county (345 square miles) in Florida. It's located in the Central Florida region of Florida.