Boundary Atlas

ZIP code 57201: Watertown, SD

ZIP code 57201 is in Watertown (87% of residents), in Codington County (100%) and Hamlin County (<0.1%), South Dakota. 13% 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 5 (96%) and State Senate District 4 (4.5%); its state house districts are State House District 5 (96%) and State House District 4 (4.5%).

26,091residents (2020 Census)
319.1 sq miland area
3cities and towns
1congressional district
33voting precincts

See it on the mapAll of South Dakota

City and county

City or townShare of ZIP residents
Watertown87%
Waverly<0.1%
Kranzburg<0.1%

CountyShare of ZIP residents
Codington County100%
Hamlin County<0.1%

Town or county subdivisionShare of ZIP residents
Watertown city87%
Pelican township2.8%
Lake township2.4%
Sheridan township1.8%
Elmira township1.7%
Rauville township1.0%
Kampeska township1.0%
Kranzburg township0.9%
Waverly township0.7%
Fuller township0.4%
Richland township0.2%
Germantown township0.2%
Kranzburg town<0.1%
Hamlin township<0.1%
Leola townshipland only

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 5)Glen Vilhauer (R)96%
State Senator (State Senate District 4)Stephanie Sauder (R)4.5%
State Representative (State House District 5)Josephine Garcia (R)96%
State Representative (State House District 5)Matt Roby (R)96%
State Representative (State House District 4)Dylan Jordan (R)4.5%
State Representative (State House District 4)Kent Roe (R)4.5%

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 596%
State Senate District 44.5%

State house districtShare of ZIP residents
State House District 596%
State House District 44.5%

Voting precincts

33 voting precincts overlap ZIP 57201. Map them, with each precinct's share of the ZIP's residents.

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ZIP 57201 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.