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The Unionville handbook

Living in Unionville, MT: what to set up and who to call

Unionville has no town government of its own, so Lewis and Clark County runs its elections and most services, and its children attend Helena Elementary School District. The closest public drop-off to Unionville is Helena Solid Waste Department, 5 miles out; the town decides whether residents may use it.

Trash & dumpWhich school will my kid attend?How do I register to vote?ZIP codes
Unionville has no town government. It’s a census-designated place in Lewis and Clark County, so the county and regional agencies provide most services. This page answers what we can; the same answers appear on Unionville’s town page under “Getting set up”.

I’m new in town

What to set up in Unionville, and who provides it. Tap an answer for the details and where they come from.

PowerNorthWestern Energyinvestor-owned utility · 14.4¢/kWhMore →
InternetWhich providers serve UnionvilleData pending · FCC map (D4)
Trash & dumpNearest public drop-offHelena Solid Waste Department, 5 miMore →SchoolHelena High and Helena Elementary districtsWhich school depends on grade and addressMore →Register to voteIn personRules from vote.govMore →ZIP code59601Where people live, not P.O. boxesMore →
Home services

Power, water and internet

Who to call to start service at a new address in Unionville.

Electricity

Power comes from NorthWestern Energy

NorthWestern Energy (NorthWestern Energy LLC - (MT)), an investor-owned utility, serves all of Unionville. Its homes paid an average of 14.4¢ per kWh in 2025, about $102 a month (its average across Montana, for customers on its standard service). Montana lets you buy power from another supplier; 0% of NorthWestern Energy’s home customers do, and NorthWestern Energy still delivers it.

Start or move service: northwesternenergy.com · (888) 467-2669

Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.

Internet

Which providers serve Unionville

Data pending · D4

This card will list the home internet providers the FCC’s National Broadband Map shows in Unionville, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.

Source to come: FCC Broadband Data Collection.

Trash & recycling

The nearest public drop-off is 5 miles away

Pickup rules, the dump and recycling in Unionville.

Nearest public drop-off · 4.6 mi from the center of Unionville

Helena Solid Waste Department

This isn’t Unionville’s own facility. Whether Unionville residents may use it is the town’s rule: check the town’s office.

OpenStreetMap, as of Oct 9, 2026. © OpenStreetMap contributors.

Schools

Where your child goes to school

Public school districts and the school path by grade.

Unionville kids go to
PK–512 elementary schoolsDepends on your address
6–82 middle schoolsDepends on your address
9–123 high schoolsDepends on your address

Unionville is in two districts that split the grades: Helena Elementary School District and Helena 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.

Government & voting

No town hall: the county runs things

Unionville is unincorporated, so Lewis and Clark County is the local government.

Local governmentLewis and Clark CountyUnionville is a census-designated place: no town hall of its ownCensus
Who runs elections hereLewis and Clark County Election AdministratorElections here are run by Lewis and Clark County (county election office). 316 N Park Ave, Rm 168, Helena, MT 59623-0001 · (406) 447-8339 · [email protected]FVAP, Jun 2021
Register to voteIn personMontana has no online registration; you can register in person up to and including Election Day or by mail (postmarked 30 days before).vote.govCheck your registration and polling placeprodvoterportal.mt.govThe state’s voter lookup

Election office: FVAP local election office directory, updated Jun 2021; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.

ZIP codes & area codes

Unionville is in ZIP code 59601

ZIP codes where Unionville residents live, with the share of the town in each.

ZIPPost office nameShare of UnionvilleZIP’s residents in Unionville
59601Helena, MT100%1%

Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.

Everyday places

Getting around, the ER and the library

One line each; the subject pages have the rest.

Nearest emergency roomSt. Peters Health4.9 miles awayGet a library cardLewis and Clark Library120 South Last Chance Gulch · (406) 447-1690

ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.

Questions about living in Unionville

Who provides electricity in Unionville?

NorthWestern Energy (NorthWestern Energy LLC - (MT)), an investor-owned utility. Its homes paid about 14.4¢ per kWh in 2025 (EIA).

What ZIP codes are in Unionville?

59601. Census 2020 ZIP Code Tabulation Areas.

What school district is Unionville in?

Helena Elementary School District and Helena High School District.

How do I register to vote in Unionville?

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 Lewis and Clark 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): pending.