ZIP code 57714: Allen, SD
ZIP code 57714 is in Allen (61% of residents), in Bennett County (99%) and Jackson County (0.8%), South Dakota. 39% 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 27; its state house district is State House District 27.
See it on the mapAll of South Dakota
City and county
| City or town | Share of ZIP residents |
|---|---|
| Allen | 61% |
| County | Share of ZIP residents |
|---|---|
| Bennett County | 99% |
| Jackson County | 0.8% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| West Bennett UT | 99% |
| Southwest Jackson UT | 0.8% |
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 27 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 27 | 100% |
Voting precincts
3 voting precincts overlap ZIP 57714. 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:57714")
ZIP 57714 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.