Brighton is a home rule city located in the state of Colorado within the United States. It is situated across the border of Adams and Weld counties and serves as the county seat for Adams County. The city is integrated into both the Front Range Urban Corridor and the Denver-Aurora-Greeley, CO Combined Statistical Area.
According to the 2020 United States census, the city had a total population of 40,083 residents. Of this total, 39,718 people resided in Adams County, while 365 lived in Weld County.