text: Basically... yes. Commerce City has an odd history I don't fully understand, but it was formed out of chunks of other unincorporated areas rather than growing "organically" like most real cities. As the name implies it is more of a commercial/industrial business park than "real" city in that sense.
  
  Map of the boundary: https://www.c3gov.com/home/showdocument?id=906
  
  Shapefiles: https://data-c3.opendata.arcgis.com/search?tags=boundaries