Resources Activity Stream About Order by Relevance Name Ascending Name Descending Last Modified Go 1 resource found Formats: HTML JPEG Tags: zip code demographics Filter Results Census 2000 5-Digit ZIP Code Tabulation Areas (ZCTAs) A ZIP Code tabulation area (ZCTA) is a statistical geographic entity that approximates the delivery area for a U.S. Postal Service five-digit or three-digit ZIP Code. ZCTAs are... JPEG fgdb gpkg ags_mapserver SHP HTML