Boundary Atlas

ZIP code 57323: Carthage, SD

ZIP code 57323 is in Carthage (57% of residents), in Miner County (87%), Kingsbury County (12%) and Sanborn County (1.8%), South Dakota. 43% 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 (98%) and State Senate District 20 (1.8%); its state house districts are State House District 8 (98%) and State House District 20 (1.8%).

224residents (2020 Census)
122.7 sq miland area
1cities and towns
1congressional district
6voting precincts

See it on the mapAll of South Dakota

City and county

City or townShare of ZIP residents
Carthage57%

CountyShare of ZIP residents
Miner County87%
Kingsbury County12%
Sanborn County1.8%

Town or county subdivisionShare of ZIP residents
Carthage city57%
Carthage township15%
Redstone township10%
Esmond township5.8%
Mathews township5.8%
Grafton township2.2%
Green Valley township2.2%
Afton township1.8%
Miner 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 8)Casey Crabtree (R)98%
State Senator (State Senate District 20)Paul Miskimins (R)1.8%
State Representative (State House District 8)Tim Reisch (R)98%
State Representative (State House District 8)Tim Walburg (R)98%
State Representative (State House District 20)Jeff Bathke (R)1.8%
State Representative (State House District 20)Kaley Nolz (R)1.8%

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 898%
State Senate District 201.8%

State house districtShare of ZIP residents
State House District 898%
State House District 201.8%

Voting precincts

6 voting precincts overlap ZIP 57323. 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:

related_geographies(id="us:zcta:57323")

ZIP 57323 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.