Boundary Atlas

ZIP code 57442: Gettysburg, SD

ZIP code 57442 is in Gettysburg (56% of residents) and Swift Bird (5.9%), in Potter County (90%), Dewey County (10.0%) and Sully County (0.5%), 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 23 (90%), State Senate District 28 (10.0%) and State Senate District 24 (0.5%); its state house districts are State House District 23 (90%), State House District 28A (10.0%) and State House District 24 (0.5%).

1,971residents (2020 Census)
593.4 sq miland area
2cities and towns
1congressional district
7voting precincts

See it on the mapAll of South Dakota

City and county

City or townShare of ZIP residents
Gettysburg56%
Swift Bird5.9%

CountyShare of ZIP residents
Potter County90%
Dewey County10.0%
Sully County0.5%

Town or county subdivisionShare of ZIP residents
Gettysburg city56%
West Potter UT25%
South Dewey UT10.0%
Central Potter UT8.9%
West Sully UT0.4%
East Sully UT0.1%

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)90%
State Senator (State Senate District 28)Sam Marty (R)10.0%
State Senator (State Senate District 24)Jim Mehlhaff (R)0.5%
State Representative (State House District 23)Scott Moore (R)90%
State Representative (State House District 23)Spencer Gosch (R)90%
State Representative (State House District 28A)Jana Hunt (R)10.0%
State Representative (State House District 24)Mike Weisgram (R)0.5%
State Representative (State House District 24)Will Mortenson (R)0.5%

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 2390%
State Senate District 2810.0%
State Senate District 240.5%

State house districtShare of ZIP residents
State House District 2390%
State House District 28A10.0%
State House District 240.5%

Voting precincts

7 voting precincts overlap ZIP 57442. Map them, with each precinct's share of the ZIP's residents.

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ZIP 57442 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.