A combined almost 4,000 acres were listed for sale in Summit County, Utah, recently; the overall value of all Summit County land and rural real estate for sale was nearly $2 billion. Summit County ranks fourth out of 29 counties in Utah for the combined amount of land currently advertised for sale. Of all locations in Summit County with land for sale, Park City featured the most land for sale. Based on its natural assets, Summit County's economy is dependent on tourism and recreation. Summit County is Utah's 18th biggest county (1,880 square miles). It's located in the Northeast Utah region of Utah.