Boundary Atlas

Kansas: cities, counties, ZIP codes and districts

Kansas has 4 congressional districts, 40 state senate districts and 125 state house districts under the maps in force for November 3, 2026, plus 4,749 voting precincts, 105 counties, 740 cities, towns and Census-designated places, and 704 ZIP codes.

Cities and towns

Largest first. Each page lists the city's county, districts and ZIP codes.

Congressional districts (2026)

DistrictShort2020 population
Kansas's 1st congressional districtKS-01734,470
Kansas's 2nd congressional districtKS-02734,470
Kansas's 3rd congressional districtKS-03734,470
Kansas's 4th congressional districtKS-04734,470

ZIP codes in Kansas

Each page lists the ZIP's congressional and legislative districts, with population shares where it's split.

Get this in your AI agent

Your agent can list, look up and map every district and precinct in Kansas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

list_geographies(country="US", level="congressional_district", region="KS")