ZIP code 57648: Pollock, SD
ZIP code 57648 is in Pollock (54% of residents), in Campbell County (71%) and Emmons County (29%), South Dakota. 46% of its residents live outside city limits. It is in South Dakota's at-large congressional district (71%) and North Dakota's at-large congressional district (29%). Its state senate districts are State Senate District 23 (71%) and State Senate District 8 (29%); its state house districts are State House District 23 (71%) and State House District 8 (29%).
See it on the mapAll of South Dakota
City and county
| City or town | Share of ZIP residents |
|---|---|
| Pollock | 54% |
| County | Share of ZIP residents |
|---|---|
| Campbell County | 71% |
| Emmons County | 29% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Pollock town | 54% |
| South Emmons UT | 29% |
| North Campbell UT | 15% |
| South Campbell UT | 1.7% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| South Dakota's at-large congressional district (SD-AL) | 71% |
| North Dakota's at-large congressional district (ND-AL) | 29% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (SD-AL) | Dusty Johnson (R) | 202-225-2801 | 71% |
| U.S. Representative (ND-AL) | Julie Fedorchak (R) | 202-225-2611 | 29% |
| U.S. Senator | John Thune (R) | 202-224-2321 · contact form | statewide |
| U.S. Senator | Mike Rounds (R) | 202-224-5842 · contact form | statewide |
| State Senator (State Senate District 23) | Mark Lapka (R) | 71% | |
| State Senator (State Senate District 8) | Jeff Magrum (R) | 29% | |
| State Representative (State House District 23) | Scott Moore (R) | 71% | |
| State Representative (State House District 23) | Spencer Gosch (R) | 71% | |
| State Representative (State House District 8) | Mike Berg (R) | 29% | |
| State Representative (State House District 8) | SuAnn Olson (R) | 29% |
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
- Pollock website: http://www.pollocksouthdakota.com/
- Pollock laws: search for the Pollock, South Dakota code of ordinances
- Campbell County laws: search for the Campbell County, South Dakota code of ordinances
- Emmons County website: http://www.emmonsnd.com/
- Emmons County laws: search for the Emmons County, South Dakota code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 23 | 71% |
| State Senate District 8 | 29% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 23 | 71% |
| State House District 8 | 29% |
Voting precincts
4 voting precincts overlap ZIP 57648. It also crosses into ND. 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:57648")
ZIP 57648 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.