Boundary Atlas

ZIP code 57559: Murdo, SD

ZIP code 57559 is in Murdo (73% of residents), in Jones County (99%) and Mellette County (0.8%), South Dakota. 27% 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 26; its state house districts are State House District 26B (84%) and State House District 26A (16%).

651residents (2020 Census)
434.5 sq miland area
1cities and towns
1congressional district
7voting precincts

See it on the mapAll of South Dakota

City and county

City or townShare of ZIP residents
Murdo73%

CountyShare of ZIP residents
Jones County99%
Mellette County0.8%

Town or county subdivisionShare of ZIP residents
Murdo city73%
Central Jones UT12%
Buffalo township6.1%
Westover UT2.1%
Mullen township1.8%
Zickrick township1.4%
North Jones UT0.9%
Scovil township0.8%
Central Mellette UT0.8%
Dunkel township0.6%
Kolls township0.3%
Okaton township0.1%

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 26)Tamara Grove (R)100%
State Representative (State House District 26B)Rebecca Reimer (R)84%
State Representative (State House District 26A)Eric Emery (Democratic)16%

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 26100%

State house districtShare of ZIP residents
State House District 26B84%
State House District 26A16%

Voting precincts

7 voting precincts overlap ZIP 57559. 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:57559")

ZIP 57559 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.