Boundary Atlas

ZIP code 57031: Gayville, SD

ZIP code 57031 is in Gayville (62% of residents), in Yankton County (92%) and Clay County (8.1%), South Dakota. 38% 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 18 (92%) and State Senate District 17 (8.1%); its state house districts are State House District 18 (92%) and State House District 17 (8.1%).

621residents (2020 Census)
39.4 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of South Dakota

City and county

City or townShare of ZIP residents
Gayville62%

CountyShare of ZIP residents
Yankton County92%
Clay County8.1%

Town or county subdivisionShare of ZIP residents
Gayville town62%
Gayville township25%
Meckling township6.8%
Volin township5.1%
Norway township1.3%
Bethel 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 18)Lauren Nelson (R)92%
State Senator (State Senate District 17)Sydney Davis (R)8.1%
State Representative (State House District 18)Julie Auch (R)92%
State Representative (State House District 18)Mike Stevens (R)92%
State Representative (State House District 17)Chris Kassin (R)8.1%
State Representative (State House District 17)William Shorma (R)8.1%

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 1892%
State Senate District 178.1%

State house districtShare of ZIP residents
State House District 1892%
State House District 178.1%

Voting precincts

3 voting precincts overlap ZIP 57031. Map them, with each precinct's share of the ZIP's residents.

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ZIP 57031 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.