Boundary Atlas

ZIP code 51038: Merrill, IA

ZIP code 51038 is in Merrill (46% of residents), in Plymouth County, Iowa. 54% of its residents live outside city limits. It is in Iowa's 4th congressional district. Its state senate districts are State Senate District 7 (92%) and State Senate District 2 (8.1%); its state house districts are State House District 13 (92%) and State House District 3 (8.1%).

1,562residents (2020 Census)
89.3 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
Merrill46%

CountyShare of ZIP residents
Plymouth County100%

Town or county subdivisionShare of ZIP residents
Plymouth township64%
Liberty township20%
Stanton township6.7%
Johnson township4.3%
Washington township3.7%
Hungerford township0.8%
Lincoln township0.4%
Sioux townshipland only

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 7)Kevin Alons (R)92%
State Senator (State Senate District 2)Jeff Taylor (R)8.1%
State Representative (State House District 13)Travis Sitzmann (R)92%
State Representative (State House District 3)Tom Jeneary (R)8.1%

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 792%
State Senate District 28.1%

State house districtShare of ZIP residents
State House District 1392%
State House District 38.1%

Voting precincts

4 voting precincts overlap ZIP 51038. Map them, with each precinct's share of the ZIP's residents.

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ZIP 51038 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.