Tooele is a city in Tooele County in the U.S. state of Utah. The population was 22,502 at the 2000 census, and 32,115 in 2010. It is the county seat of Tooele County. Located approximately 30 minutes southwest of Salt Lake City, Tooele is known for Tooele Army Depot, for its views of the nearby Oquirrh Mountains and the Great Salt Lake.