Boundary Atlas

ZIP code 57274: Webster, SD

ZIP code 57274 is in Webster (64% of residents), in Day County (99%) and Clark County (1.1%), South Dakota. 36% 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 1 (99%) and State Senate District 4 (1.1%); its state house districts are State House District 1 (99%) and State House District 4 (1.1%).

2,686residents (2020 Census)
372.6 sq miland area
2cities and towns
1congressional district
13voting precincts

See it on the mapAll of South Dakota

City and county

City or townShare of ZIP residents
Webster64%
Grenville<0.1%

CountyShare of ZIP residents
Day County99%
Clark County1.1%

Town or county subdivisionShare of ZIP residents
Webster city64%
Webster township11%
Rusk township4.1%
Racine township3.2%
Morton township2.9%
Raritan township2.6%
Highland township2.3%
Wheatland township2.2%
Kidder township1.9%
Grenville township1.6%
Butler township1.3%
York township1.0%
Lynn township0.7%
Cottonwood township0.4%
Spring Valley township0.4%
Blaine township0.3%
Grenville town<0.1%

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 1)Michael Rohl (R)99%
State Senator (State Senate District 4)Stephanie Sauder (R)1.1%
State Representative (State House District 1)Logan Manhart (R)99%
State Representative (State House District 1)Nick Fosness (R)99%
State Representative (State House District 4)Dylan Jordan (R)1.1%
State Representative (State House District 4)Kent Roe (R)1.1%

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 199%
State Senate District 41.1%

State house districtShare of ZIP residents
State House District 199%
State House District 41.1%

Voting precincts

13 voting precincts overlap ZIP 57274. Map them, with each precinct's share of the ZIP's residents.

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ZIP 57274 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.