Boundary Atlas

ZIP code 57012: Canistota, SD

ZIP code 57012 is in Canistota (52% of residents), in McCook County, South Dakota. 48% 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 19; its state house district is State House District 19.

1,217residents (2020 Census)
83.4 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of South Dakota

City and county

City or townShare of ZIP residents
Canistota52%

CountyShare of ZIP residents
McCook County100%

Town or county subdivisionShare of ZIP residents
Canistota city52%
Greenland township16%
Spring Valley township14%
Canistota township9.5%
Grant township6.5%
Emery township1.9%
Union townshipland only

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 19100%

State house districtShare of ZIP residents
State House District 19100%

Voting precincts

3 voting precincts overlap ZIP 57012. 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:57012")

ZIP 57012 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.