Boundary Atlas

ZIP code 64089: Smithville, MO

ZIP code 64089 is in Smithville (77% of residents), in Clay County (90%) and Platte County (10%), Missouri. 23% of its residents live outside city limits. It is in Missouri's 6th congressional district. Its state senate districts are State Senate District 21 (90%) and State Senate District 34 (10%); its state house districts are State House District 8 (90%), State House District 13 (10%) and State House District 39 (<0.1%).

13,681residents (2020 Census)
60.9 sq miland area
2cities and towns
1congressional district
6voting precincts

See it on the mapAll of Missouri

City and county

City or townShare of ZIP residents
Smithville77%
Paradise0.5%

CountyShare of ZIP residents
Clay County90%
Platte County10%

Town or county subdivisionShare of ZIP residents
Platte township90%
Carroll township7.9%
Preston township2.4%
Liberty township<0.1%

Congressional district

Congressional districtShare of ZIP residents
Missouri's 6th congressional district (MO-06)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 2190%
State Senate District 3410%

State house districtShare of ZIP residents
State House District 890%
State House District 1310%
State House District 39<0.1%

Voting precincts

6 voting precincts overlap ZIP 64089. 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:64089")

ZIP 64089 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.