ZIP code 58838: Sioux, ND
ZIP code 58838 is in McKenzie County, North Dakota, outside any city or Census-designated place. It is in North Dakota's at-large congressional district. Its state senate district is State Senate District 26; its state house district is State House District 26.
See it on the mapAll of North Dakota
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| McKenzie County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Sioux township | 70% |
| Southwest McKenzie UT | 29% |
| Charbon township | 1.8% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| North Dakota's at-large congressional district (ND-AL) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (ND-AL) | Julie Fedorchak (R) | 202-225-2611 | 100% |
| U.S. Senator | John Hoeven (R) | 202-224-2551 · contact form | statewide |
| U.S. Senator | Kevin Cramer (R) | 202-224-2043 · contact form | statewide |
| State Senator (State Senate District 26) | Dale Patten (R) | 100% | |
| State Representative (State House District 26) | Kelby Timmons (R) | 100% | |
| State Representative (State House District 26) | Roger Maki (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
- McKenzie County website: https://county.mckenziecounty.net/
- McKenzie County laws: search for the McKenzie County, North Dakota code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 26 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 26 | 100% |
Voting precincts
1 voting precinct overlap ZIP 58838. 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:58838")
ZIP 58838 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.