Cedar Hills is a city in north-central Utah County, Utah, United States. The population was 9,796 at the 2010 census, up from 3,094 in 2000. Th…Cedar Hills is a city in north-central Utah County, Utah, United States. The population was 9,796 at the 2010 census, up from 3,094 in 2000. The city began growing rapidly during the 1990s and is located east of Alpine and Highland on the slopes of Mount Timpanogos.