Boundary Atlas

ZIP code 57788: Vale, SD

ZIP code 57788 is in Vale (24% of residents), in Butte County (62%) and Meade County (38%), South Dakota. 76% 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 28 (62%) and State Senate District 29 (38%); its state house districts are State House District 28B (62%) and State House District 29 (38%).

534residents (2020 Census)
240.2 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
Vale24%

CountyShare of ZIP residents
Butte County62%
Meade County38%

Town or county subdivisionShare of ZIP residents
East Butte UT39%
Southwest Meade UT23%
Vale township21%
Belle Fourche-Cheyenne Valleys UT15%
West Butte UT2.2%

Congressional district

Congressional districtShare of ZIP residents
South Dakota's at-large congressional district (SD-AL)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 2862%
State Senate District 2938%

State house districtShare of ZIP residents
State House District 28B62%
State House District 2938%

Voting precincts

5 voting precincts overlap ZIP 57788. 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:57788")

ZIP 57788 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.