Boundary Atlas

ZIP code 57025: Elk Point, SD

ZIP code 57025 is in Elk Point (73% of residents) and Richland (3.3%), in Union County, South Dakota. 24% 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 17 (93%) and State Senate District 16 (7.3%); its state house districts are State House District 17 (93%) and State House District 16 (7.3%).

2,940residents (2020 Census)
124.0 sq miland area
2cities and towns
1congressional district
5voting precincts

See it on the mapAll of South Dakota

City and county

City or townShare of ZIP residents
Elk Point73%
Richland3.3%

CountyShare of ZIP residents
Union County100%

Town or county subdivisionShare of ZIP residents
Elk Point city73%
Elk Point township8.5%
Richland UT6.6%
Brule township5.8%
Civil Bend township3.5%
Spink township1.5%
Jefferson township0.9%

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 17)Sydney Davis (R)93%
State Senator (State Senate District 16)Kevin Jensen (R)7.3%
State Representative (State House District 17)Chris Kassin (R)93%
State Representative (State House District 17)William Shorma (R)93%
State Representative (State House District 16)John Shubeck (R)7.3%
State Representative (State House District 16)Karla Lems (R)7.3%

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 1793%
State Senate District 167.3%

State house districtShare of ZIP residents
State House District 1793%
State House District 167.3%

Voting precincts

5 voting precincts overlap ZIP 57025. 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:57025")

ZIP 57025 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.