Boundary Atlas

ZIP code 57381: Wessington, SD

ZIP code 57381 is in Wessington (37% of residents), in Beadle County (60%) and Hand County (40%), South Dakota. 63% 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 22 (60%) and State Senate District 23 (40%); its state house districts are State House District 22 (60%) and State House District 23 (40%).

538residents (2020 Census)
303.9 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of South Dakota

City and county

City or townShare of ZIP residents
Wessington37%

CountyShare of ZIP residents
Beadle County60%
Hand County40%

Town or county subdivisionShare of ZIP residents
Wessington city35%
Hulbert township9.3%
Grand township8.4%
Bates township8.2%
Rose Hill township7.1%
Nance township6.3%
Whiteside township6.3%
Wessington township5.9%
Sand Creek township5.4%
Spring Lake township4.3%
Gilbert township1.5%
Wessington city1.3%
Burr Oak township0.7%

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)60%
State Senator (State Senate District 23)Mark Lapka (R)40%
State Representative (State House District 22)Kevin Van Diepen (R)60%
State Representative (State House District 22)Lana Greenfield (R)60%
State Representative (State House District 23)Scott Moore (R)40%
State Representative (State House District 23)Spencer Gosch (R)40%

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 2260%
State Senate District 2340%

State house districtShare of ZIP residents
State House District 2260%
State House District 2340%

Voting precincts

4 voting precincts overlap ZIP 57381. 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:57381")

ZIP 57381 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.