High Quality Content by WIKIPEDIA articles! The Denver-Aurora-Broomfield, CO Metropolitan Statistical Area is a United States Census Bureau defined Metropolitan Statistical Area (MSA) in the State of Colorado that includes the City and County of Denver and nine suburban counties. The Census Bureau estimates that the population was 2,357,404 on 2007-07-01, an +14.23% increase since United States Census 2000. In 2007, 50.7% of Coloradans lived in the Denver-Aurora-Broomfield MSA.