Boundary Atlas

ZIP code 57373: St. Lawrence, SD

ZIP code 57373 is in St. Lawrence (46% of residents), in Hand County, South Dakota. 54% 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 23; its state house district is State House District 23.

353residents (2020 Census)
219.3 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
St. Lawrence46%

CountyShare of ZIP residents
Hand County100%

Town or county subdivisionShare of ZIP residents
St. Lawrence town46%
St. Lawrence township15%
Holden township8.5%
Hiland township7.4%
Miller township6.2%
Gilbert township5.7%
York township4.2%
Pearl township3.4%
Grand township1.1%
Rose Hill township1.1%
Burdette township0.6%
Florence township0.3%
Northwest Hand UTland 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 23)Mark Lapka (R)100%
State Representative (State House District 23)Scott Moore (R)100%
State Representative (State House District 23)Spencer Gosch (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 23100%

State house districtShare of ZIP residents
State House District 23100%

Voting precincts

6 voting precincts overlap ZIP 57373. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

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:57373")

ZIP 57373 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.