Northglenn is a home rule municipality located in Adams and Weld counties in Colorado, United States. It serves as part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. As of the 2020 census, the city had a population of 38,131.
The city was established in 1959 by Jordon Perlmutter as a master planned community. It remains a residential and commercial hub within the metropolitan region of Colorado.