ZIP code 59270: Sidney, MT
ZIP code 59270 is in Sidney (74% of residents), in Richland County (99%) and McKenzie County (1.1%), Montana. 26% of its residents live outside city limits. It is in Montana's 2nd congressional district (99%) and North Dakota's at-large congressional district (1.1%). Its state senate districts are State Senate District 15 (88%), State Senate District 17 (11%) and State Senate District 26 (1.1%); its state house districts are State House District 30 (88%), State House District 33 (11%) and State House District 26 (1.1%).
See it on the mapAll of Montana
City and county
| City or town | Share of ZIP residents |
|---|---|
| Sidney | 74% |
| County | Share of ZIP residents |
|---|---|
| Richland County | 99% |
| McKenzie County | 1.1% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Sidney CCD | 91% |
| Savage-Crane CCD | 4.3% |
| Lambert CCD | 2.6% |
| Southwest McKenzie UT | 1.1% |
| Fairview CCD | 0.7% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Montana's 2nd congressional district (MT-02) | 99% |
| North Dakota's at-large congressional district (ND-AL) | 1.1% |
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 (MT-02) | Troy Downing (R) | 202-225-3211 | 99% |
| U.S. Representative (ND-AL) | Julie Fedorchak (R) | 202-225-2611 | 1.1% |
| U.S. Senator | Steve Daines (R) | 202-224-2651 · contact form | statewide |
| U.S. Senator | Tim Sheehy (R) | 202-224-2644 | statewide |
| State Senator (State Senate District 15) | Gregg Hunter (R) | 88% | |
| State Senator (State Senate District 17) | Bob Phalen (R) | 406-939-1187 | 11% |
| State Senator (State Senate District 26) | Dale Patten (R) | 1.1% | |
| State Representative (State House District 30) | Morgan Thiel (R) | 406-480-6271 | 88% |
| State Representative (State House District 33) | Brandon Ler (R) | 406-480-5687 | 11% |
| State Representative (State House District 26) | Kelby Timmons (R) | 1.1% | |
| State Representative (State House District 26) | Roger Maki (R) | 1.1% |
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
- Sidney website: http://www.cityofsidneymt.com/
- Sidney laws: search for the Sidney, Montana code of ordinances
- Richland County website: http://www.richland.org
- Richland County laws: search for the Richland County, Montana code of ordinances
- McKenzie County website: https://county.mckenziecounty.net/
- McKenzie County laws: search for the McKenzie County, Montana code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 15 | 88% |
| State Senate District 17 | 11% |
| State Senate District 26 | 1.1% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 30 | 88% |
| State House District 33 | 11% |
| State House District 26 | 1.1% |
Voting precincts
14 voting precincts overlap ZIP 59270. 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:59270")
ZIP 59270 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.