Boundary Atlas

ZIP code 57748: Dakota, SD

ZIP code 57748 is in Bridger (15% of residents), in Ziebach County (62%) and Meade County (38%), South Dakota. 85% 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 28A (62%) and State House District 29 (38%).

318residents (2020 Census)
399.7 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
Bridger15%

CountyShare of ZIP residents
Ziebach County62%
Meade County38%

Town or county subdivisionShare of ZIP residents
South Ziebach UT62%
Dakota township14%
Belle Fourche-Cheyenne Valleys UT11%
Union township5.7%
Howard township4.4%
North Meade UT3.1%

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 28A62%
State House District 2938%

Voting precincts

4 voting precincts overlap ZIP 57748. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

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:57748")

ZIP 57748 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.