Boundary Atlas

ZIP code 50154: McCallsburg, IA

ZIP code 50154 is in McCallsburg (67% of residents), in Story County (96%) and Hardin County (3.8%), Iowa. 33% of its residents live outside city limits. It is in Iowa's 4th congressional district (96%) and Iowa's 2nd congressional district (3.8%). Its state senate districts are State Senate District 26 (96%) and State Senate District 27 (3.8%); its state house districts are State House District 51 (96%) and State House District 54 (3.8%).

527residents (2020 Census)
23.7 sq miland area
1cities and towns
2congressional districts
2voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
McCallsburg67%

CountyShare of ZIP residents
Story County96%
Hardin County3.8%

Town or county subdivisionShare of ZIP residents
Warren township96%
Concord township3.8%

Congressional districts

Congressional districtShare of ZIP residents
Iowa's 4th congressional district (IA-04)96%
Iowa's 2nd congressional district (IA-02)3.8%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IA-04)Randy Feenstra (R)202-225-442696%
U.S. Representative (IA-02)Ashley Hinson (R)202-225-29113.8%
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 26)Kara Warme (R)96%
State Senator (State Senate District 27)Annette Sweeney (R)3.8%
State Representative (State House District 51)Brett Barker (R)96%
State Representative (State House District 54)Josh Meggers (R)3.8%

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 2696%
State Senate District 273.8%

State house districtShare of ZIP residents
State House District 5196%
State House District 543.8%

Voting precincts

2 voting precincts overlap ZIP 50154. 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:50154")

ZIP 50154 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.