Boundary Atlas

ZIP code 50123: Humeston, IA

ZIP code 50123 is in Humeston (60% of residents), in Wayne County (89%), Lucas County (7.9%), Decatur County (2.5%) and Clarke County (0.4%), Iowa. 40% of its residents live outside city limits. It is in Iowa's 3rd congressional district. Its state senate district is State Senate District 12; its state house district is State House District 24.

775residents (2020 Census)
82.8 sq miland area
2cities and towns
1congressional district
4voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Humeston60%
Le Roy0.4%

CountyShare of ZIP residents
Wayne County89%
Lucas County7.9%
Decatur County2.5%
Clarke County0.4%

Town or county subdivisionShare of ZIP residents
Richman township70%
Clay township14%
Union township7.9%
Washington township4.9%
Garden Grove township2.5%
Franklin township0.4%

Congressional district

Congressional districtShare of ZIP residents
Iowa's 3rd congressional district (IA-03)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IA-03)Zachary Nunn (R)202-225-5476100%
U.S. SenatorChuck Grassley (R)202-224-3744 · contact formstatewide
U.S. SenatorJoni Ernst (R)202-224-3254 · contact formstatewide
State Senator (State Senate District 12)Amy Sinclair (R)100%
State Representative (State House District 24)Sam Wengryn (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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 12100%

State house districtShare of ZIP residents
State House District 24100%

Voting precincts

4 voting precincts overlap ZIP 50123. Map them, with each precinct's share of the ZIP's residents.

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ZIP 50123 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.