Use thousandth in a sentence. 1  coming last in a series of a thousand; 1,000th. 2  designating any of the thousand equal parts of something.
For other uses, see Brigham City (disambiguation). Brigham City is a city in Box Elder County, Utah, United States. The population was 17,899 at the 2010 census. It is the county seat of Box Elder County. It lies on the western slope of the Wellsville Mountains, a branch of the Wasatch Range at the western terminus of Box Elder Canyon.
CEDAR CITY. Cedar City, with a population of 29,000, is the largest community in Iron County and is located at the mouth of Coal Creek in south-central Utah. Its elevation is 5,800 feet above sea level, and it lies in a semi-arid part of the state with 10,000-foot mountains to the east and a vast desert area to the west.