The City of Commerce City is a Home Rule Municipality located in Adams County, Colorado, United States. Commerce City is a northern suburb of Denver and is the 18th most populous municipality in Colorado. The city population was 45,913 at the 2010.

Centrally located along Colorado’s bustling Front Range, Commerce City is a quality community for a lifetime. As one of the state’s fastest growing communities, Commerce City is redefining itself for the next generation, building on historic values of community, industry, agriculture and family. It has 25 miles of trails, a championship golf course, 840 acres of open space and parks, one of the country’s largest soccer complexes and the nation’s largest urban wildlife refuge.

Among the first establishments in the modern Commerce City were cemeteries. Riverside Cemetery, founded in 1876, is located in the city's southwest corner at East 52nd Avenue and Brighton Boulevard. Rose Hill Cemetery, in the heart of historic Commerce City, was established in 1892 on what at the time was an open plain.

The first school in the area began in 1871 as a one-room schoolhouse, with other schools added in 1899 and later in 1907. Until the late 1920s, the area was devoted to agriculture, including wheat fields, dairies, and pig farms.

Industry moved in, with a refinery established in 1930 and grain elevators built in the late 1930s. Rocky Mountain Arsenal was founded in 1942 due east of the growing community. Commerce City is known for an oil refinery with a capacity of 90,000 barrels per day , operated by Suncor.