Photo: Andrew Filer from Seattle (ex-Minneapolis) · CC BY-SA 2.0Living in St. Xavier, MT: what to set up and who to call
St. Xavier has no town government of its own, so Big Horn County runs its elections and most services, and its children attend Hardin Elementary School District. Power in St. Xavier comes from Big Horn County Elec Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in St. Xavier, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in St. Xavier.
Power comes from Big Horn County Elec Coop
Big Horn County Elec Coop (Big Horn County Elec Coop, Inc), a cooperative utility, serves all of St. Xavier.
Start or move service: www.bhcec.com · (406) 665-2830
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
2 home internet providers serve St. Xavier
53% of 78 addresses can get 100/20 Mbps; 2% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Nemont | Fixed wireless, DSL, Fiber | 100% | 30/30 |
| T-Mobile | Fixed wireless | 51% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have St. Xavier’s trash rules yet
Pickup rules, the dump and recycling in St. Xavier.
Where your child goes to school
Public school districts and the school path by grade.
St. Xavier is in two districts that split the grades: Hardin Elementary School District and Hardin High School District.
Test scores and every school: see Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
No town hall: the county runs things
St. Xavier is unincorporated, so Big Horn County is the local government.
Election office: FVAP local election office directory, updated Jun 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
St. Xavier is in ZIP code 59075
ZIP codes where St. Xavier residents live, with the share of the town in each.
| ZIP | Post office name | Share of St. Xavier | ZIP’s residents in St. Xavier |
|---|---|---|---|
| 59075 | Saint Xavier, MT | 100% | 35% |
Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.
Getting around, the ER and the library
One line each; the subject pages have the rest.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in St. Xavier
Who provides electricity in St. Xavier?
Big Horn County Elec Coop (Big Horn County Elec Coop, Inc), a cooperative utility.
What internet providers serve St. Xavier?
Nemont, T-Mobile (FCC, as of December 2025).
What ZIP codes are in St. Xavier?
59075. Census 2020 ZIP Code Tabulation Areas.
What school district is St. Xavier in?
Hardin Elementary School District and Hardin High School District.
How do I register to vote in St. Xavier?
Montana has no online registration; you can register in person up to and including Election Day or by mail (postmarked 30 days before). Elections here are run by the Big Horn County Election Administrator. Check your registration at prodvoterportal.mt.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
- Trash: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
- ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
- Schools: NCES Common Core of Data, 2024–25.
- Registration: vote.gov, updated Nov 18, 2024 (read Oct 10, 2026). Official sites and area codes: Wikidata.
- Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
- Internet: FCC National Broadband Map, as of December 2025.