Boundary Atlas

ZIP code 57401: Aberdeen, SD

ZIP code 57401 is in Aberdeen (88% of residents), in Brown County, South Dakota. 12% of its residents live outside city limits. It is in South Dakota's at-large congressional district. Its state senate districts are State Senate District 3 (82%), State Senate District 23 (10%) and State Senate District 1 (7.3%); its state house districts are State House District 3 (82%), State House District 23 (10%) and State House District 1 (7.3%).

32,275residents (2020 Census)
278.8 sq miland area
2cities and towns
1congressional district
18voting precincts

See it on the mapAll of South Dakota

City and county

City or townShare of ZIP residents
Aberdeen88%
Prairiewood Village0.9%

CountyShare of ZIP residents
Brown County100%

Town or county subdivisionShare of ZIP residents
Aberdeen city88%
Lincoln township3.5%
Aberdeen township2.9%
Ravinia township1.1%
Prairiewood township0.9%
Warner township0.9%
Ordway township0.8%
Bath township0.7%
Mercier township0.4%
Gem township0.4%
Carlisle township<0.1%
Highland township<0.1%

Congressional district

Congressional districtShare of ZIP residents
South Dakota's at-large congressional district (SD-AL)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (SD-AL)Dusty Johnson (R)202-225-2801100%
U.S. SenatorJohn Thune (R)202-224-2321 · contact formstatewide
U.S. SenatorMike Rounds (R)202-224-5842 · contact formstatewide
State Senator (State Senate District 3)Carl Perry (R)82%
State Senator (State Senate District 23)Mark Lapka (R)10%
State Senator (State Senate District 1)Michael Rohl (R)7.3%
State Representative (State House District 3)Al Novstrup (R)82%
State Representative (State House District 3)Brandei Schaefbauer (R)82%
State Representative (State House District 23)Scott Moore (R)10%
State Representative (State House District 23)Spencer Gosch (R)10%
State Representative (State House District 1)Logan Manhart (R)7.3%
State Representative (State House District 1)Nick Fosness (R)7.3%

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 382%
State Senate District 2310%
State Senate District 17.3%

State house districtShare of ZIP residents
State House District 382%
State House District 2310%
State House District 17.3%

Voting precincts

18 voting precincts overlap ZIP 57401. Map them, with each precinct's share of the ZIP's residents.

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ZIP 57401 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.