Rural Urban Suburban Data

This database classifies ZIP Codes as being predominately Rural, Urban, or Suburban geographical areas (as opposed to the Census which just has urban vs rural). This classification is based on three key factors: population density (people per square mile), distance from nearest city, and size of the nearest city (urban and suburban areas extend farther for larger cities). rural urban Please note that some ZIP Codes are borderline and therefore there is a degree of subjectivity inherent in this database.

We use Census counts and estimations to calculate the population per ZIP Code based on a ZCTA (Zip Code Tabulation Area). It is an approximation of a ZIP Code derived from U.S. Census Bureau databases and in-house research.

This database is updated regularly as ZIP Codes are added and we receive population updates. It is released quarterly. The price includes an initial download and any updates made during the one year subscription period.

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Database Specs & Features


  • Immediate Download

    Download is available immediately upon purchase and for the duration of the annual subscription.

  • Quarterly Updates

    A monthly update of this database is not necessary, so we update the database quarterly and recommend that you download quarterly as well.

  • Free FTP/SFTP (upon request)

    To update your database without human intervention, we can provide you will your own FTP site that you can write a script to access. Just request it after purchase.

  • Data Format - CSV

    Comma-Separated Values (CSV) Text File


  • 5 Digit ZIP Code

    Official U.S. Postal Service five digit ZIP Code

  • ZIP Type (Business, Military, etc.)

    U.S. Postal Service type codes:
    B = Single High-volume Address
    M = APO/FPO Military
    E = P.O. Box Only
    No value indicates standard general delivery

  • State

    Official U.S. Postal Service state abbreviation

  • County

    The name of the county in which the ZIP Code is found.

  • City

    Official city name used by the U.S. Postal Service

  • Rural Codes

    Locale Indicator:
    R=Rural ZIP Code
    U=Urban ZIP Code
    S=Suburban ZIP Code
    blank=unclassified

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