Geographic Codes Lookup

Use this page to look up standard codes for areas grouped into common census geographic summary levels.

Usage notes

  • Populations are shown in parentheses after each area on the list.
  • Most codes are linked. The link leads to a page that lists multiple data sources for the selected area.
  • All population data are from the 2010-2014 American Community Survey.
  • For more information about geoIDs and summary levels, visit our About Census geography page.