ZIP code 57763: Oelrichs, SD
ZIP code 57763 is in Oelrichs (44% of residents), in Fall River County, South Dakota. 56% 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 30; its state house district is State House District 30.
See it on the mapAll of South Dakota
City and county
| City or town | Share of ZIP residents |
|---|---|
| Oelrichs | 44% |
| County | Share of ZIP residents |
|---|---|
| Fall River County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Northeast Fall River UT | 53% |
| Oelrichs town | 44% |
| Southwest Fall River UT | 2.7% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| South Dakota's at-large congressional district (SD-AL) | 100% |
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 30 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 30 | 100% |
Voting precincts
2 voting precincts overlap ZIP 57763. 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:57763")
ZIP 57763 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.