Boundary Atlas

ZIP code 50278: Zearing, IA

ZIP code 50278 is in Zearing (68% of residents), in Story County, Iowa. 32% of its residents live outside city limits. It is in Iowa's 4th congressional district. Its state senate district is State Senate District 26; its state house district is State House District 51.

780residents (2020 Census)
46.4 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Zearing68%

CountyShare of ZIP residents
Story County100%

Town or county subdivisionShare of ZIP residents
Lincoln township90%
Sherman township5.6%
Warren township2.6%
Richland township1.7%

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 26)Kara Warme (R)100%
State Representative (State House District 51)Brett Barker (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 26100%

State house districtShare of ZIP residents
State House District 51100%

Voting precincts

3 voting precincts overlap ZIP 50278. Map them, with each precinct's share of the ZIP's residents.

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ZIP 50278 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.