Boundary Atlas

ZIP code 57353: Iroquois, SD

ZIP code 57353 is in Iroquois (31% of residents), Pearl Creek Colony (10%), Collins Colony (9.6%) and Bancroft (1.4%), in Kingsbury County (53%), Beadle County (36%) and Clark County (11%), South Dakota. 48% 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 8 (53%), State Senate District 22 (36%) and State Senate District 4 (11%); its state house districts are State House District 8 (53%), State House District 22 (36%) and State House District 4 (11%).

956residents (2020 Census)
298.9 sq miland area
4cities and towns
1congressional district
5voting precincts

See it on the mapAll of South Dakota

City and county

City or townShare of ZIP residents
Iroquois31%
Pearl Creek Colony10%
Collins Colony9.6%
Bancroft1.4%

CountyShare of ZIP residents
Kingsbury County53%
Beadle County36%
Clark County11%

Town or county subdivisionShare of ZIP residents
Iroquois city24%
Le Sueur township15%
Logan township13%
Collins township9.9%
Iroquois township7.1%
Iroquois city6.5%
Banner township4.9%
Belle Prairie township4.1%
Foster township3.4%
Esmond township3.1%
Richland township2.8%
Manchester township1.7%
Pearl Creek township1.5%
Bancroft town1.4%
Rosedale township0.8%
Spirit Lake township0.8%

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 8)Casey Crabtree (R)53%
State Senator (State Senate District 22)Brandon Wipf (R)36%
State Senator (State Senate District 4)Stephanie Sauder (R)11%
State Representative (State House District 8)Tim Reisch (R)53%
State Representative (State House District 8)Tim Walburg (R)53%
State Representative (State House District 22)Kevin Van Diepen (R)36%
State Representative (State House District 22)Lana Greenfield (R)36%
State Representative (State House District 4)Dylan Jordan (R)11%
State Representative (State House District 4)Kent Roe (R)11%

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 853%
State Senate District 2236%
State Senate District 411%

State house districtShare of ZIP residents
State House District 853%
State House District 2236%
State House District 411%

Voting precincts

5 voting precincts overlap ZIP 57353. Map them, with each precinct's share of the ZIP's residents.

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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:

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ZIP 57353 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.