Boundary Atlas

ZIP code 57470: Hillsdale, SD

ZIP code 57470 is in Rockham (14% of residents), in Faulk County (56%) and Hand County (44%), South Dakota. 86% 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 23; its state house district is State House District 23.

153residents (2020 Census)
149.7 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
Rockham14%

CountyShare of ZIP residents
Faulk County56%
Hand County44%

Town or county subdivisionShare of ZIP residents
Hillsdale township31%
Linn township20%
Carlton township15%
Rockham town14%
Pioneer township6.5%
Zell township3.9%
Plato township3.9%
Wheaton township3.3%
Park township1.3%
Centerville 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 23)Mark Lapka (R)100%
State Representative (State House District 23)Scott Moore (R)100%
State Representative (State House District 23)Spencer Gosch (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 23100%

State house districtShare of ZIP residents
State House District 23100%

Voting precincts

3 voting precincts overlap ZIP 57470. Map them, with each precinct's share of the ZIP's residents.

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ZIP 57470 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.