Lakewood is the home rule municipality that is the most populous municipality in Jefferson County, Colorado, United States. The city population was 155,984 at the 2020 U.S. Census, making Lakewood the fifth most populous city in Colorado and the 167th most populous city in the United States. Lakewood is a suburb of Denver and is a principal city of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area and a major city of the Front Range Urban Corridor. The city has a notable student population, as it is home to three higher education institutions: Colorado Christian University, Red Rocks Community College and Rocky Mountain College of Art and Design. Lakewood is also home to the Denver Federal Center, which houses the largest concentration of federal agencies outside of Washington, D.C.