Broomfield is a consolidated city and county located in the U.S. state of Colorado. Broomfield has a consolidated government which operates under Article XX, Sections 10-13 of the Constitution of the State of Colorado. The Broomfield population was 74,112 at the 2020 United States Census, making it the 15th most populous municipality and the 12th most populous county in Colorado. Broomfield is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area and the Front Range Urban Corridor. 4K Resolution.