State-adopted congressional district maps

Authority

Publisher

Each state (legislature or redistricting commission)

Trust tier

T1 official

What we use it for

identity boundary

Published

After each redistricting

Upstream

No single upstream address

License and terms

Not recorded

Rows citing it

No records are linked to this source yet.

Counted now, from the records whose source is this one.

Measured now

Not measured.

Joins with

No standard identifiers recorded for this source.

Notes and known gaps

A state's adopted U.S. House map for a new Congress, loaded as dated congressional_district rows beside the drawing it replaces, by RedistrictingImporter; each run's snapshot records the URL and sha256. California, 120th Congress: the Proposition 50 map (AB 604, Chapter 96, Statutes of 2025), from the Senate Elections and Constitutional Amendments Committee (selc.senate.ca.gov), 52 districts.