Boundary Atlas

ZIP code 50843: Cumberland, IA

ZIP code 50843 is in Cumberland (47% of residents), in Cass County (100%) and Adams County (<0.1%), Iowa. 53% of its residents live outside city limits. It is in Iowa's 3rd congressional district. Its state senate district is State Senate District 9; its state house district is State House District 18.

537residents (2020 Census)
72.3 sq miland area
1cities and towns
1congressional district
6voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Cumberland47%

CountyShare of ZIP residents
Cass County100%
Adams Countyland only

Town or county subdivisionShare of ZIP residents
Union township74%
Edna township13%
Noble township8.9%
Bear Grove township3.0%
Massena township1.1%
Lincoln townshipland only

Congressional district

Congressional districtShare of ZIP residents
Iowa's 3rd congressional district (IA-03)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IA-03)Zachary Nunn (R)202-225-5476100%
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 9)Tom Shipley (R)100%
State Representative (State House District 18)Tom Moore (R)100%
State Representative (State House District 17)Devon Wood (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 9100%

State house districtShare of ZIP residents
State House District 18100%
State House District 17land only

Voting precincts

6 voting precincts overlap ZIP 50843. Map them, with each precinct's share of the ZIP's residents.

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ZIP 50843 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.