Boundary Atlas

ZIP code 57269: Kilborn, SD

ZIP code 57269 is in Twin Brooks (12% of residents), in Grant County, South Dakota. 88% 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 4; its state house district is State House District 4.

387residents (2020 Census)
94.1 sq miland area
1cities and towns
1congressional district
5voting precincts

See it on the mapAll of South Dakota

City and county

City or townShare of ZIP residents
Twin Brooks12%

CountyShare of ZIP residents
Grant County100%

Town or county subdivisionShare of ZIP residents
Kilborn township36%
Grant Center township27%
Twin Brooks township20%
Twin Brooks town12%
Mazeppa township3.9%
Madison township0.8%
Melrose township0.3%

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 4)Stephanie Sauder (R)100%
State Representative (State House District 4)Dylan Jordan (R)100%
State Representative (State House District 4)Kent Roe (R)100%

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 4100%

State house districtShare of ZIP residents
State House District 4100%

Voting precincts

5 voting precincts overlap ZIP 57269. Map them, with each precinct's share of the ZIP's residents.

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ZIP 57269 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.