Boundary Atlas

ZIP code 51054: Sergeant Bluff, IA

ZIP code 51054 is in Sergeant Bluff (87% of residents), in Woodbury County, Iowa. 13% of its residents live outside city limits. It is in Iowa's 4th congressional district. Its state senate district is State Senate District 7; its state house districts are State House District 14 (100%) and State House District 13 (0.1%).

5,737residents (2020 Census)
38.7 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
Sergeant Bluff87%
Sioux City0.5%

CountyShare of ZIP residents
Woodbury County100%

Town or county subdivisionShare of ZIP residents
Woodbury township95%
Liberty township4.4%
Sioux City city0.5%
Floyd township0.1%
Grange townshipland only

Congressional district

Congressional districtShare of ZIP residents
Iowa's 4th congressional district (IA-04)100%

Elected officials

OfficeMemberContactShare of residents
MayorJon Winkel87%
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)100%
State Representative (State House District 14)Jacob Bossman (R)100%
State Representative (State House District 13)Travis Sitzmann (R)0.1%

From Wikidata (community-maintained); confirm on the city's website.

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); Mayors: Wikidata (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 7100%

State house districtShare of ZIP residents
State House District 14100%
State House District 130.1%

Voting precincts

6 voting precincts overlap ZIP 51054. Map them, with each precinct's share of the ZIP's residents.

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ZIP 51054 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.