Congressional District by ZIP Code

Includes Representatives and Coverage Percentage per ZIP

*This version is up-to-date (116^th Congress) and reflects all court rulings in districts that faced election legal challenges, including the recent North Carolina re-drawn districts.

This product provides a current listing of 116^th Congressional Districts by ZIP Code. We use the latest Congressional Districts maps where the courts ordered the districts to be redrawn (NC, FL, PA, and VA), rather than wait for the USPS changes which can take about 6 months. Since ZIP Codes may span more than one Congressional District, we include an estimated coverage percentage. For example, a ZIP Code may cover 80% of one district and 20% of another. The foundation of this product is true commercial grade ZIP Code data. We utilize multiple sources – including our own plotting when necessary – to obtain a complete and accurate Congressional District by ZIP Code relationship. Plus, we add some extras such as congressional representatives by name, primary county, primary city, etc.

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Congressional Districts by ZIP Code

The product associates a 5-digit ZIP Code to one or more Congressional Districts. About 15% of ZIP Codes have more than one district.

Note: If you’re familiar with this data, you’ll know that all providers start with a database from the U.S. Postal Service which contains substantial inaccuracies at times. Rest assured, we have processes in place to catch and override these inaccuracies. Please contact us if interested in further info.

The following files are included with this product:

Districts-full - Congressional District by ZIP Code with corresponding district information.
Reps-full - Congressional Representative name and contact information.

Learn more: View the Congressional District by ZIP Code Product Documentation / Watch our Accuracy Matters video

Database Sources

We are licensees of USPS database products, but we enhance our database based on decades of experience to provide you with the most accurate product available.

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Cannot be resold, transferred, or used to compete with GreatData.com (as outlined in our license agreement).

Database Specs

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Data Format - CSV

ZIP Code
Congressional District Number
City
County
State
Sequence Number
Coverage Percentage
Rep. First Name
Rep. Last Name
Rep. Nickname
Vacancy Flag

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