ZIP code 66778: Lyon, KS
ZIP code 66778 is in Cherokee County, Kansas, outside any city or Census-designated place. It is in Kansas's 2nd congressional district. Its state senate district is State Senate District 13; its state house district is State House District 1.
See it on the mapAll of Kansas
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Cherokee County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Lyon township | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Kansas's 2nd congressional district (KS-02) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (KS-02) | Derek Schmidt (R) | 202-225-6601 | 100% |
| U.S. Senator | Jerry Moran (R) | 202-224-6521 · contact form | statewide |
| U.S. Senator | Roger Marshall (R) | 202-224-4774 · contact form | statewide |
| State Senator (State Senate District 13) | Tim Shallenburger (R) | 100% | |
| State Representative (State House District 1) | Dale Helwig (R) | 100% |
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Cherokee County website: http://CherokeeCountyKS.com
- Cherokee County laws: search for the Cherokee County, Kansas code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 13 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 1 | 100% |
Voting precincts
2 voting precincts overlap ZIP 66778. 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:66778")
ZIP 66778 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.