Boundary Atlas

ZIP code 57328: Corsica, SD

ZIP code 57328 is in Corsica (52% of residents) and New Holland (1.8%), in Douglas County (100%) and Aurora County (0.4%), South Dakota. 46% of its residents live outside city limits. It is in South Dakota's at-large congressional district. Its state senate district is State Senate District 21; its state house district is State House District 21.

1,083residents (2020 Census)
160.8 sq miland area
2cities and towns
1congressional district
4voting precincts

See it on the mapAll of South Dakota

City and county

City or townShare of ZIP residents
Corsica52%
New Holland1.8%

CountyShare of ZIP residents
Douglas County100%
Aurora County0.4%

Town or county subdivisionShare of ZIP residents
Corsica city52%
Walnut Grove township8.7%
Garfield township7.8%
Holland township7.8%
Grandview township6.7%
Clark township6.4%
Iowa township5.3%
Washington township3.0%
Valley township1.9%
Aurora township0.4%
Joubert township0.2%
Lincoln townshipland only

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 21)MyKala Voita (R)100%
State Representative (State House District 21)Jim Halverson (R)100%
State Representative (State House District 21)Marty Overweg (R)100%

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 21100%

State house districtShare of ZIP residents
State House District 21100%

Voting precincts

4 voting precincts overlap ZIP 57328. Map them, with each precinct's share of the ZIP's residents.

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ZIP 57328 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.