|Census Class & Code
|Incorporated Places - C1
|An active incorporated place that does not serve as a county subdivision equivalent.
|Incorporated Places - C4
|An active incorporated place with an alternate official common name.
|Incorporated Places - C9
|An inactive or nonfunctioning incorporated place.
|American Indian Areas - D1
|Legal federally recognized American Indian area consisting of reservation and associated off-reservation trust land.
|Counties and County Equivalents - H1
|An active county or equivalent feature.
|Populated - Incorporated Place - P1
|Populated Place that is also an incorporated place with the same name and the same Census Code.
|Obsolete or Incorrect Name - X1
|Deleted feature that was a governmental entity.
|Inactive or Nonfunctioning Primary County Divisions - Z5
|A statistical county subdivision.
|Land Grants & Other - N/A
|Land Grants and Other Unclassified Civil Features