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zipcodeR (version 0.4.0)

zip_to_cd: ZIP Code to Congressional District Relationship File

Description

A dataset containing mappings between ZIP codes and congressional districts

Usage

zip_to_cd

Arguments

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)

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.