Boundary Atlas

ZIP code 50670: Shell Rock, IA

ZIP code 50670 is in Shell Rock (65% of residents), in Butler County (97%), Bremer County (2.7%) and Black Hawk County (0.1%), Iowa. 35% of its residents live outside city limits. It is in Iowa's 2nd congressional district. Its state senate districts are State Senate District 29 (100%) and State Senate District 27 (0.1%); its state house districts are State House District 57 (100%) and State House District 54 (0.1%).

1,959residents (2020 Census)
55.1 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
Shell Rock65%

CountyShare of ZIP residents
Butler County97%
Bremer County2.7%
Black Hawk County0.1%

Town or county subdivisionShare of ZIP residents
Shell Rock township82%
Butler township8.4%
Beaver township4.9%
Washington township2.7%
Jefferson township2.2%
Union township0.1%

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 29)Sandy Salmon (R)100%
State Senator (State Senate District 27)Annette Sweeney (R)0.1%
State Representative (State House District 57)Pat Grassley (R)100%
State Representative (State House District 54)Josh Meggers (R)0.1%

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 29100%
State Senate District 270.1%

State house districtShare of ZIP residents
State House District 57100%
State House District 540.1%

Voting precincts

4 voting precincts overlap ZIP 50670. Map them, with each precinct's share of the ZIP's residents.

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ZIP 50670 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.