Mansfield is an affluent suburban city located mostly in Tarrant county, with small parts in Ellis and Johnson counties in the U.S. state of Texas. It is a suburb of the Dallas-Fort Worth Metroplex area. Its location is almost equidistant to Dallas, Fort Worth and DFW Airport. As of the 2010 census, the population was 56,368. The population of Mansfield is estimated to grow to 59,831 in 2012 and projected to reach 70,019 in 2017.