geocode.net
Free tool · GET /v1/reverse?fields=stateleg

What state legislative district am I in?

Find your state senate and state house districts from where you are. One click asks your browser for your position and returns both chambers' districts from Census boundaries.

Free for a few lookups a minute on a shared key. Need more? Get a free key for 10,000 a month, or run a whole file through the spreadsheet geocoder.

Your legislative districtsFind your state senate and house districts in one click.Your browser asks once; the position is used for this one lookup and not stored. Or type an address, or click the map.
Use your location, type an address, or click the map.

How it works

Your position is matched to the nearest address, and that address is tested against the Census Bureau's state legislative district boundaries for both chambers: the upper chamber (the state senate) and the lower chamber (the house, assembly or house of delegates). Each state names its own districts, and the answer uses the state's names.

In your code

curl "https://api.geocode.net/v1/reverse?lat=39.1582&lng=-75.5247&fields=stateleg" -H "X-API-Key: YOUR_KEY"

{ "fields": { "state_legislative_districts": {
    "upper": { "district": "017", "name": "State Senate District 17", "geoid": "10017" },
    "lower": { "district": "031", "name": "State Representative District 31", "geoid": "10031" } } } }

Notes

  • Nebraska has a single chamber, so you get an upper district only.
  • Washington DC has no state legislature. The Census Bureau publishes its eight council wards in the upper-chamber layer, so in DC the answer is your ward.
  • Boundaries are from TIGER/Line 2025. Where a state redrew its legislative maps for 2026, the new districts arrive with the 2026 files.
  • Nothing is requested until you click, and the position is not stored.

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