ZIP Code to Congressional District Relationship File

Source: R/data.r

A dataset containing mappings between ZIP codes and congressional districts

zip_to_cd

Format

A data frame with 45914 rows and 2 variables:

ZIP

5 digit U.S. ZIP code

CD

Four digit congressional district code (State FIPS code + district number)

Source

Historical HUD-USPS-derived snapshot archived at https://github.com/gavinrozzi/zipcodeR-data

Details

This is the exact pre-2020 HUD-USPS-derived mapping shipped in zipcodeR 0.3.5. It is frozen for legacy reproducibility and should not be interpreted as a current redistricting vintage. Current authoritative ZCTA relationships are available in explicit data bundles.