Welcome to Commerce City, where we mean business. The city is committed to building a "Quality Community for Lifetime" for all residents through economic opportunities, amenities, and services. As one of the fastest growing cities in Colorado, Commerce City is contributing to the nation's third-strongest metro-area economy in a meaningful way.CITY AT A GLANCE• The city more than doubled its population in the last decade, with more than 50,000 residents • Commerce City encompasses 41 square miles of land • Council-manager form of government • Median age of residents is 34.5 • Diverse population, with 47 percent of Hispanic descent • Average median income $65,944 • Borders Denver International Airport – the 10th busiest airport in the world • Adjacent to two new commuter rail lines connecting metro area • Direct access to seven major transportation corridors and two railroads • Playful City USA • 20-year Tree City USA award recipient