Election Dist Zipcodes

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Election Dist Zipcodes



The complete set of California residential ZIP Codes on CD, based on the 2010 census and the 2012-2021 California Reapportionment, includes Assembly, Senate and Congressional Districts.

Look up California congressional and legislative election district numbers based on 5-digit postal ZIP codes. Sort districts by, ZIP code, city, or county. (Note that Some ZIP code boundaries cross election district lines, which means zip codes are not entirely accurate for determining election districts.  We estimate that 5% of addresses may be misclassified using 5-digit zip codes.  To improve accuracy, you can purchase our zip+4 CD, or use our Member Match list matching service).

Files are formatted in Excel. To expedite your order, we can email the files to you. Contact us for details on email delivery.