Boundary Atlas

ZIP code 57580: Winner, SD

ZIP code 57580 is in Winner (67% of residents), in Tripp County (97%), Todd County (2.8%) and Mellette County (0.7%), South Dakota. 33% 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 21 (97%) and State Senate District 26 (3.5%); its state house districts are State House District 21 (97%) and State House District 26A (3.5%).

4,356residents (2020 Census)
1,028.6 sq miland area
2cities and towns
1congressional district
15voting precincts

See it on the mapAll of South Dakota

City and county

City or townShare of ZIP residents
Winner67%
Okreek0.6%

CountyShare of ZIP residents
Tripp County97%
Todd County2.8%
Mellette County0.7%

Town or county subdivisionShare of ZIP residents
Winner city67%
Lamro township10%
East Todd UT2.8%
Black township2.5%
Star Prairie township1.4%
Wilson township1.3%
Brunson township1.1%
Jordan township1.1%
Wortman township1.0%
Willow Creek township0.9%
Plainview township0.9%
Rosedale township0.9%
Weaver township0.8%
Millboro township0.8%
Carter township0.8%
Mosher township0.7%
Rames township0.6%
Curlew township0.5%
Dog Ear township0.5%
Taylor township0.4%
Beaver Creek township0.3%
Huggins township0.3%
Wright UT0.3%
Pleasant Valley township0.3%
Holsclaw township0.3%
Progressive UT0.3%
Banner township0.2%
Lake township0.2%
Sully township0.2%
Pahapesto UT0.2%
Stewart township0.2%
Greenwood township0.2%
Colome township0.1%
Lone Tree township<0.1%
McNeely township<0.1%
Keyapaha 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)97%
State Senator (State Senate District 26)Tamara Grove (R)3.5%
State Representative (State House District 21)Jim Halverson (R)97%
State Representative (State House District 21)Marty Overweg (R)97%
State Representative (State House District 26A)Eric Emery (Democratic)3.5%

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 2197%
State Senate District 263.5%

State house districtShare of ZIP residents
State House District 2197%
State House District 26A3.5%

Voting precincts

15 voting precincts overlap ZIP 57580. Map them, with each precinct's share of the ZIP's residents.

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ZIP 57580 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.