Find the Congressional District for Any U.S. Address (Current, Official)

District boundaries change with redistricting. The Census Geocoder returns the district currently in effect — plus state senate and house districts in the same call.

One address or thousands

  1. Open GeoFlow
  2. Paste your addresses (one per line) or upload a CSV and pick the address column
  3. Click Run — each address is matched against the free U.S. Census Bureau Geocoder
  4. Download the enriched CSV

Example output

Input addressCountyCongressionalState Senate (SLDU)House/Assembly (SLDL)Timezone
1301 I ST, SACRAMENTO, CA, 95814Sacramento County (06067)0607 — Congressional District 706008 — State Senate District 806006 — Assembly District 6
350 5TH AVE, NEW YORK, NY, 10118New York County (36061)3612 — Congressional District 1236028 — State Senate District 2836075 — Assembly District 75
1600 PENNSYLVANIA AVE NW, WASHINGTON, DC, 20500District of Columbia (11001)1198 — Delegate District (at Large)11002 — Ward 2—

Try it free

Open GeoFlow — free up to 100 addresses per run

Data source: U.S. Census Bureau Geocoder (public domain). Timezone: tz-lookup (MIT).

FAQ

What about at-large states?

Alaska, Delaware, North Dakota, South Dakota, Vermont and Wyoming return district code 00 (at-large). DC returns 1198 (Delegate District).

Is it the current map?

Yes — the Current vintage returns districts in effect now, not old congresses.