Boundary Atlas

ZIP code 66086: Tonganoxie, KS

ZIP code 66086 is in Tonganoxie (52% of residents), in Leavenworth County (100%) and Jefferson County (0.4%), Kansas. 48% of its residents live outside city limits. It is in Kansas's 2nd congressional district (100%) and Kansas's 1st congressional district (0.4%). Its state senate districts are State Senate District 9 (99%), State Senate District 18 (0.4%) and State Senate District 5 (0.3%); its state house districts are State House District 42 (86%) and State House District 38 (14%).

10,662residents (2020 Census)
95.3 sq miland area
1cities and towns
2congressional districts
16voting precincts

See it on the mapAll of Kansas

City and county

City or townShare of ZIP residents
Tonganoxie52%

CountyShare of ZIP residents
Leavenworth County100%
Jefferson County0.4%

Town or county subdivisionShare of ZIP residents
Tonganoxie township52%
Stranger township44%
Reno township3.0%
Sherman township0.7%
Fairmount township0.3%
Union township0.2%
Sarcoxie township0.1%

Congressional districts

Congressional districtShare of ZIP residents
Kansas's 2nd congressional district (KS-02)100%
Kansas's 1st congressional district (KS-01)0.4%

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 999%
State Senate District 180.4%
State Senate District 50.3%

State house districtShare of ZIP residents
State House District 4286%
State House District 3814%

Voting precincts

16 voting precincts overlap ZIP 66086. 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:66086")

ZIP 66086 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.