ZIP code 64504: St. Joseph, MO
ZIP code 64504 is in St. Joseph (79% of residents), in Buchanan County, Missouri. 21% of its residents live outside city limits. It is in Missouri's 6th congressional district. Its state senate district is State Senate District 34; its state house districts are State House District 11 (97%) and State House District 13 (2.9%).
See it on the mapAll of Missouri
City and county
| City or town | Share of ZIP residents |
|---|---|
| St. Joseph | 79% |
| County | Share of ZIP residents |
|---|---|
| Buchanan County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Washington township | 80% |
| Center township | 15% |
| Wayne township | 5.4% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Missouri's 6th congressional district (MO-06) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | John Josendale | 79% | |
| U.S. Representative (MO-06) | Sam Graves (R) | 202-225-7041 | 100% |
| U.S. Senator | Eric Schmitt (R) | 202-224-5721 · contact form | statewide |
| U.S. Senator | Josh Hawley (R) | 202-224-6154 · contact form | statewide |
| State Senator (State Senate District 34) | Tony Luetkemeyer (R) | 100% | |
| State Representative (State House District 11) | Brenda Shields (R) | 97% | |
| State Representative (State House District 13) | Sean Pouche (R) | 2.9% |
From Wikidata (community-maintained); confirm on the city's website.
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); Mayors: Wikidata (CC0).
Local government
- St. Joseph website: https://www.stjosephmo.gov/
- St. Joseph laws: search for the St. Joseph, Missouri code of ordinances
- Buchanan County website: http://www.co.buchanan.mo.us
- Buchanan County laws: search for the Buchanan County, Missouri code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 34 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 11 | 97% |
| State House District 13 | 2.9% |
Voting precincts
5 voting precincts overlap ZIP 64504. Map them, with each precinct's share of the ZIP's residents.
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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:64504")
ZIP 64504 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.