Boundary Atlas

ZIP code 65674: Humansville, MO

ZIP code 65674 is in Humansville (31% of residents), in Polk County (62%), Cedar County (32%), Hickory County (2.9%) and St. Clair County (2.7%), Missouri. 69% 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 districts are State House District 128 (65%), State House District 125 (32%) and State House District 126 (2.7%).

2,909residents (2020 Census)
95.6 sq miland area
1cities and towns
1congressional district
9voting precincts

See it on the mapAll of Missouri

City and county

City or townShare of ZIP residents
Humansville31%

CountyShare of ZIP residents
Polk County62%
Cedar County32%
Hickory County2.9%
St. Clair County2.7%

Town or county subdivisionShare of ZIP residents
Johnson township55%
Washington township23%
Jefferson township9.4%
Cliquot township3.4%
Weaubleau township2.9%
Collins township2.5%
Flemington township1.9%
Campbell township1.8%
Washington township0.1%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MO-04)Mark Alford (R)202-225-2876100%
U.S. SenatorEric Schmitt (R)202-224-5721 · contact formstatewide
U.S. SenatorJosh Hawley (R)202-224-6154 · contact formstatewide
State Senator (State Senate District 28)Sandy Crawford (R)100%
State Representative (State House District 128)Chris Warwick (R)65%
State Representative (State House District 125)Dane Diehl (R)32%
State Representative (State House District 126)Jim Kalberloh (R)2.7%

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 28100%

State house districtShare of ZIP residents
State House District 12865%
State House District 12532%
State House District 1262.7%

Voting precincts

9 voting precincts overlap ZIP 65674. 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:

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ZIP 65674 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.