Boundary Atlas

ZIP code 51533: Emerson, IA

ZIP code 51533 is in Emerson (49% of residents), in Mills County (74%) and Montgomery County (26%), Iowa. 51% of its residents live outside city limits. It is in Iowa's 4th congressional district (74%) and Iowa's 3rd congressional district (26%). Its state senate districts are State Senate District 8 (74%) and State Senate District 9 (26%); its state house districts are State House District 16 (74%) and State House District 18 (26%).

816residents (2020 Census)
79.9 sq miland area
1cities and towns
2congressional districts
5voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Emerson49%

CountyShare of ZIP residents
Mills County74%
Montgomery County26%

Town or county subdivisionShare of ZIP residents
Indian Creek township65%
Garfield township12%
Lincoln township8.6%
Deer Creek township6.5%
West township5.0%
Anderson township2.6%

Congressional districts

Congressional districtShare of ZIP residents
Iowa's 4th congressional district (IA-04)74%
Iowa's 3rd congressional district (IA-03)26%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IA-04)Randy Feenstra (R)202-225-442674%
U.S. Representative (IA-03)Zachary Nunn (R)202-225-547626%
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 8)Mark Costello (R)74%
State Senator (State Senate District 9)Tom Shipley (R)26%
State Representative (State House District 16)David Sieck (R)74%
State Representative (State House District 18)Tom Moore (R)26%

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 874%
State Senate District 926%

State house districtShare of ZIP residents
State House District 1674%
State House District 1826%

Voting precincts

5 voting precincts overlap ZIP 51533. Map them, with each precinct's share of the ZIP's residents.

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related_geographies(id="us:zcta:51533")

ZIP 51533 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.