Boundary Atlas

ZIP code 64166: Kansas City, MO

ZIP code 64166 is in Kansas City (40% of residents), in Clay County, Missouri. 60% of its residents live outside city limits. It is in Missouri's 6th congressional district (62%) and Missouri's 5th congressional district (38%). Its state senate district is State Senate District 17; its state house districts are State House District 8 (97%) and State House District 39 (2.8%).

320residents (2020 Census)
4.9 sq miland area
1cities and towns
2congressional districts
3voting precincts

See it on the mapAll of Missouri

City and county

City or townShare of ZIP residents
Kansas City40%

CountyShare of ZIP residents
Clay County100%

Town or county subdivisionShare of ZIP residents
Platte township100%

Congressional districts

Congressional districtShare of ZIP residents
Missouri's 6th congressional district (MO-06)62%
Missouri's 5th congressional district (MO-05)38%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

State legislative districts

State senate districtShare of ZIP residents
State Senate District 17100%

State house districtShare of ZIP residents
State House District 897%
State House District 392.8%

Voting precincts

3 voting precincts overlap ZIP 64166. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:64166")

ZIP 64166 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.