A combined approximately 1,000 acres were listed for sale in Summit County recently; the value of all Summit County farms and ranches for sale was $622 million. Summit County ranks 24th out of 64 counties in Colorado for the total number of acres of land currently advertised for sale. Among cities in Summit County with land for sale, Breckenridge had the most land for sale. Based on its natural assets, tourism and recreation contribute significant revenue toward Summit County's overall GDP. Summit County is Colorado's 55th largest county (619 square miles). It's located in the Northwest Colorado region of the state.