Boundary Atlas

ZIP code 51025: Holstein, IA

ZIP code 51025 is in Holstein (75% of residents), in Ida County (98%) and Cherokee County (2.2%), Iowa. 25% of its residents live outside city limits. It is in Iowa's 4th congressional district. Its state senate districts are State Senate District 6 (98%) and State Senate District 3 (2.2%); its state house districts are State House District 12 (98%) and State House District 5 (2.2%).

2,009residents (2020 Census)
106.4 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
Holstein75%

CountyShare of ZIP residents
Ida County98%
Cherokee County2.2%

Town or county subdivisionShare of ZIP residents
Griggs township83%
Battle township5.4%
Logan township5.0%
Galva township2.0%
Silver township2.0%
Douglas township1.9%
Diamond township0.2%

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 6)Jason Schultz (R)98%
State Senator (State Senate District 3)Lynn Evans (R)2.2%
State Representative (State House District 12)Steven Holt (R)98%
State Representative (State House District 5)Zach Dieken (R)2.2%

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 698%
State Senate District 32.2%

State house districtShare of ZIP residents
State House District 1298%
State House District 52.2%

Voting precincts

4 voting precincts overlap ZIP 51025. Map them, with each precinct's share of the ZIP's residents.

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ZIP 51025 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.