Boundary Atlas

ZIP code 57439: Ferney, SD

ZIP code 57439 is in Ferney, in Brown County, South Dakota. It is in South Dakota's at-large congressional district. Its state senate district is State Senate District 1; its state house district is State House District 1.

42residents (2020 Census)
0.4 sq miland area
1cities and towns
1congressional district
1voting precincts

See it on the mapAll of South Dakota

City and county

City or townShare of ZIP residents
Ferney100%

CountyShare of ZIP residents
Brown County100%

Town or county subdivisionShare of ZIP residents
East Hanson township100%

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 1)Michael Rohl (R)100%
State Representative (State House District 1)Logan Manhart (R)100%
State Representative (State House District 1)Nick Fosness (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 1100%

State house districtShare of ZIP residents
State House District 1100%

Voting precincts

1 voting precinct overlap ZIP 57439. Map them, with each precinct's share of the ZIP's residents.

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ZIP 57439 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.