New U.S. Census estimates show booming growth in many Utah communities. For example, three areas added more than 2,000 residents each between 2012 and 2013: South Jordan (which grew by 2,705 people); Lehi (up by 2,424) and Kearns (2,255). Nine others added more than 1,000 residents each in the year: West Jordan (up 1,924), Salt Lake City (1,638), Saratoga Springs (1,572), Sandy (1,493), West Valley City (1,304), Herriman (1,274), St.