Boundary Atlas

ZIP code 57311: Alexandria, SD

ZIP code 57311 is in Alexandria (43% of residents), Oak Lane Colony (9.1%) and Rockport Colony (5.1%), in Hanson County (100%) and Hutchinson County (<0.1%), South Dakota. 43% 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 19; its state house district is State House District 19.

1,522residents (2020 Census)
188.4 sq miland area
4cities and towns
1congressional district
6voting precincts

See it on the mapAll of South Dakota

City and county

City or townShare of ZIP residents
Alexandria43%
Oak Lane Colony9.1%
Rockport Colony5.1%
Farmer1.0%

CountyShare of ZIP residents
Hanson County100%
Hutchinson Countyland only

Town or county subdivisionShare of ZIP residents
Alexandria city43%
Beulah township19%
Wayne township13%
Jasper township8.1%
Fairview township5.1%
Edgerton township3.9%
Pleasant township3.5%
Worthen township1.6%
Spring Lake township1.2%
Farmer town1.0%
Taylor township0.6%
Rosedale township0.3%
Clayton 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 19)Kyle Schoenfish (R)100%
State Representative (State House District 19)Drew Peterson (R)100%
State Representative (State House District 19)Jessica Bahmuller (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 19100%

State house districtShare of ZIP residents
State House District 19100%

Voting precincts

6 voting precincts overlap ZIP 57311. Map them, with each precinct's share of the ZIP's residents.

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ZIP 57311 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.