Boundary Atlas

ZIP code 57348: Hitchcock, SD

ZIP code 57348 is in Hitchcock (21% of residents), in Beadle County (70%) and Spink County (30%), South Dakota. 79% 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 22; its state house district is State House District 22.

535residents (2020 Census)
270.1 sq miland area
1cities and towns
1congressional district
5voting precincts

See it on the mapAll of South Dakota

City and county

City or townShare of ZIP residents
Hitchcock21%

CountyShare of ZIP residents
Beadle County70%
Spink County30%

Town or county subdivisionShare of ZIP residents
Hitchcock town21%
Altoona township16%
Bonilla township11%
Pleasant View township11%
Cornwall township10%
Belmont township9.0%
Antelope township6.4%
Fairfield township4.7%
Broadland township3.0%
Nance township2.4%
Garfield township2.1%
Lincoln township1.9%
Lake Byron township0.9%
Crandon township0.4%
Allen townshipland only
Buffalo 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 22)Brandon Wipf (R)100%
State Representative (State House District 22)Kevin Van Diepen (R)100%
State Representative (State House District 22)Lana Greenfield (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 22100%

State house districtShare of ZIP residents
State House District 22100%

Voting precincts

5 voting precincts overlap ZIP 57348. Map them, with each precinct's share of the ZIP's residents.

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Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:57348")

ZIP 57348 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.