Lakewood also houses Lakewood High School, an International Baccalaureate school in Jefferson County. Alameda High School is also an International Baccalaureate school . Lakewood is also home to Colorado Christian University. Lakewood is a Home Rule Municipality that is the most populous city in Jefferson County, Colorado, United States. Lakewood is the fifth most populous city in the State of Colorado and the 172nd most populous city in the United States. The United States Census Bureau estimates that in April 1, 2010 census the population of the City of Lakewood was 142,980 . Lakewood is west of Denver and is part of the Denver-Aurora-Broomfield, CO Metropolitan Statistical Area.