Boundary Atlas

ZIP code 57319: Bridgewater, SD

ZIP code 57319 is in Bridgewater (49% of residents) and Dolton (3.3%), in McCook County (86%), Hutchinson County (8.9%) and Turner County (5.0%), South Dakota. 47% 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 19 (95%) and State Senate District 16 (5.0%); its state house districts are State House District 19 (95%) and State House District 16 (5.0%).

1,037residents (2020 Census)
146.7 sq miland area
2cities and towns
1congressional district
5voting precincts

See it on the mapAll of South Dakota

City and county

City or townShare of ZIP residents
Bridgewater49%
Dolton3.3%

CountyShare of ZIP residents
McCook County86%
Hutchinson County8.9%
Turner County5.0%

Town or county subdivisionShare of ZIP residents
Bridgewater city49%
Union township12%
Bridgewater township12%
Emery township7.5%
Silver Lake township5.6%
Jefferson township4.3%
Pleasant township3.3%
Dolton town3.3%
Dolton township1.7%
Grant township1.0%

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 19)Kyle Schoenfish (R)95%
State Senator (State Senate District 16)Kevin Jensen (R)5.0%
State Representative (State House District 19)Drew Peterson (R)95%
State Representative (State House District 19)Jessica Bahmuller (R)95%
State Representative (State House District 16)John Shubeck (R)5.0%
State Representative (State House District 16)Karla Lems (R)5.0%

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 1995%
State Senate District 165.0%

State house districtShare of ZIP residents
State House District 1995%
State House District 165.0%

Voting precincts

5 voting precincts overlap ZIP 57319. 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:57319")

ZIP 57319 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.