South Jordan is a city in Salt Lake County, Utah, United States. It is part of the Salt Lake City, Utah Metropolitan Statistical Area. The population was 29,437 at the 2000 census. South Jordan has been one of the fastest-growing cities in Utah since the early 1990s; a 2008 U.S. Census Bureau estimate put its population at 51,131. Kennecott Land, a land development company, has recently begun construction on the master-planned Daybreak Community for the entire western half of South Jordan. This community could potentially double South Jordan's population. South Jordan is also the first city in the world with two LDS temples.