The value of farms and rural land for sale in Adams County, Pennsylvania, recently on Land.com was approximately $120 million. This represents approximately 2,000 acres of farms, rural land, hunting land and other land for sale in Adams County. Adams County ranks 20th out of 67 counties in the Keystone State for the total acreage of land currently advertised for sale. Among cities in Adams County with farms, rural land, hunting land and other land for sale, Gettysburg had the most land for sale. Adams County is Pennsylvania's 45th biggest county (521 square miles). It's located in the Dutch Country Roads Pennsylvania region of the state.