Boundary Atlas

ZIP code 57017: Colman, SD

ZIP code 57017 is in Colman (49% of residents), in Moody County (100%) and Lake County (0.4%), South Dakota. 51% 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 25 (100%) and State Senate District 8 (0.4%); its state house districts are State House District 25 (100%) and State House District 8 (0.4%).

1,294residents (2020 Census)
108.4 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
Colman49%

CountyShare of ZIP residents
Moody County100%
Lake County0.4%

Town or county subdivisionShare of ZIP residents
Colman city49%
Colman township18%
Jefferson township13%
Fremont township9.8%
Lynn township8.3%
Egan township2.3%
Chester township0.4%

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 25)Tom Pischke (R)100%
State Senator (State Senate District 8)Casey Crabtree (R)0.4%
State Representative (State House District 25)Jon Hansen (R)100%
State Representative (State House District 25)Les Heinemann (R)100%
State Representative (State House District 8)Tim Reisch (R)0.4%
State Representative (State House District 8)Tim Walburg (R)0.4%

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 25100%
State Senate District 80.4%

State house districtShare of ZIP residents
State House District 25100%
State House District 80.4%

Voting precincts

4 voting precincts overlap ZIP 57017. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:57017")

ZIP 57017 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.