G3100 Combined Statistical Area U.S. Census Bureau G4000 State or Equivalent feature U.S. Census Bureau G4020 County or Equivalent Feature U.S. Census Bureau G4120 Consolidated City U.S. Census Bureau G4300 Economic census place U.S. Census Bureau G6400 Planning Region U.S. Census Bureau G3110 Metropolitan and Micropolitan Statistical Area U.S. Census Bureau G3120 Metropolitan Division U.S. Census Bureau