Rockwall County, Texas

Rockwall County is a county in the U.S. state of Texas. At 149 square miles, Rockwall County has the smallest area of any Texas county. As of the 2014 U.S. census estimate, its population was 87,809. Its county seat is Rockwall. The county and city are named for a wall-like subterranean rock formation that runs throughout the county.Rockwall County is part of the Dallas-Fort Worth-Arlington, TX Metropolitan Statistical Area. It was one of the top 25 fastest-growing counties in the U.S. in 2010. Rockwall County is listed as the 6th wealthiest county in Texas.Its cities include Rockwall, Royse City, Fate, McClendon-Chisolm, Mobile City, and a part of Rowlett.HistoryRockwall County was formed in 1873 from portions of Kaufman County. It split off because access to the county seat of Kaufman was inconvenient. It was named for its county seat, Rockwall.GeographyAccording to the U.S. Census Bureau, the county has an area of, of which is land and (15%) is water. It is the smallest county by area in Texas.Major highways20px Interstate 3020px U.S. Highway 6720px State Highway 6620px State Highway 20520px State Highway 276