Boundary Atlas

ZIP code 65663: South Benton, MO

ZIP code 65663 is in Halfway (6.2% of residents), in Polk County, Missouri. 94% of its residents live outside city limits. It is in Missouri's 4th congressional district. Its state senate district is State Senate District 28; its state house district is State House District 128.

2,424residents (2020 Census)
114.7 sq miland area
1cities and towns
1congressional district
6voting precincts

See it on the mapAll of Missouri

City and county

City or townShare of ZIP residents
Halfway6.2%

CountyShare of ZIP residents
Polk County100%

Town or county subdivisionShare of ZIP residents
South Benton township33%
North Benton township26%
Mooney township18%
North Green township13%
South Green township7.1%
Northeast Marion township2.2%

Congressional district

Congressional districtShare of ZIP residents
Missouri's 4th congressional district (MO-04)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 28100%

State house districtShare of ZIP residents
State House District 128100%

Voting precincts

6 voting precincts overlap ZIP 65663. 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:65663")

ZIP 65663 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.