The ZCTA file contains data for all 5 digit ZCTAs in the 50 states, District of Columbia and Puerto Rico as of Census 2000. The file is plain ASCII text, one line per record.

    * Columns 1-2: United States Postal Service State Abbreviation
    * Columns 3-66: Name (e.g. 35004 5-Digit ZCTA - there are no post office names)
    * Columns 67-75: Total Population (2000)
    * Columns 76-84: Total Housing Units (2000)
    * Columns 85-98: Land Area (square meters) - Created for statistical purposes only.
    * Columns 99-112: Water Area (square meters) - Created for statistical purposes only.
    * Columns 113-124: Land Area (square miles) - Created for statistical purposes only.
    * Columns 125-136: Water Area (square miles) - Created for statistical purposes only.
    * Columns 137-146: Latitude (decimal degrees) First character is blank or "-" denoting North or South latitude respectively
    * Columns 147-157: Longitude (decimal degrees) First character is blank or "-" denoting East or West longitude respectively