Boundary Atlas

ZIP code 50428: Clear Lake, IA

ZIP code 50428 is in Clear Lake (83% of residents) and Ventura (2.0%), in Cerro Gordo County, Iowa. 15% of its residents live outside city limits. It is in Iowa's 2nd congressional district. Its state senate district is State Senate District 30; its state house districts are State House District 60 (99%) and State House District 59 (0.9%).

9,290residents (2020 Census)
117.3 sq miland area
2cities and towns
1congressional district
6voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Clear Lake83%
Ventura2.0%

CountyShare of ZIP residents
Cerro Gordo County100%

Town or county subdivisionShare of ZIP residents
Clear Lake city83%
Clear Lake township9.3%
Grant township2.6%
Lake township1.7%
Lincoln township1.5%
Union township1.2%
Mount Vernon township0.9%

Congressional district

Congressional districtShare of ZIP residents
Iowa's 2nd congressional district (IA-02)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IA-02)Ashley Hinson (R)202-225-2911100%
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 30)Doug Campbell (R)100%
State Representative (State House District 60)Jane Bloomingdale (R)99%
State Representative (State House District 59)Christian Hermanson (R)0.9%

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 30100%

State house districtShare of ZIP residents
State House District 6099%
State House District 590.9%

Voting precincts

6 voting precincts overlap ZIP 50428. Map them, with each precinct's share of the ZIP's residents.

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ZIP 50428 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.