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.
Tooele County, Utah (UT) County population in 2014: 61,598 (82% urban, 18% rural); it was 40,735 in 2000. County owner-occupied with a mortgage or a loan houses and condos in 2010: 11,464. County owner-occupied free and clear houses and condos in 2010: 2,409. County owner-occupied houses and condos in 2000: 9,924.