Boundary Atlas

ZIP code 51238: Hospers, IA

ZIP code 51238 is in Hospers (58% of residents), in Sioux County (88%) and O'Brien County (12%), Iowa. 42% of its residents live outside city limits. It is in Iowa's 4th congressional district. Its state senate districts are State Senate District 2 (88%) and State Senate District 3 (12%); its state house districts are State House District 3 (80%), State House District 5 (12%) and State House District 4 (8.4%).

1,251residents (2020 Census)
49.2 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Hospers58%

CountyShare of ZIP residents
Sioux County88%
O'Brien County12%

Town or county subdivisionShare of ZIP residents
Floyd township76%
Baker township9.1%
Lynn township7.0%
Holland township4.6%
Carroll township2.4%
Capel township1.4%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IA-04)Randy Feenstra (R)202-225-4426100%
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 2)Jeff Taylor (R)88%
State Senator (State Senate District 3)Lynn Evans (R)12%
State Representative (State House District 3)Tom Jeneary (R)80%
State Representative (State House District 5)Zach Dieken (R)12%
State Representative (State House District 4)Skyler Wheeler (R)8.4%

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 288%
State Senate District 312%

State house districtShare of ZIP residents
State House District 380%
State House District 512%
State House District 48.4%

Voting precincts

4 voting precincts overlap ZIP 51238. 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:51238")

ZIP 51238 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.