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.
Utahâs capital and largest city, Salt Lake City, is located in the county and is nicknamed âThe Crossroads of the West.â The county is famous for its ski resorts in Big Cottonwood Canyon and Little Cottonwood Canyon, which led to Salt Lake City hosting the 2002 Winter Olympics.