Unionville is a community in Lewis and Clark County, Montana, home to about 412 people across 1.3 square miles. It has no ZIP code of its own: it’s part of 59601.
Homes sold for a median of $256 per square foot in the three months ending August 2026, a seller’s market.
Mostly Helena; part is in Unionville
Each card is that ZIP code’s whole market, including any part outside Unionville. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Unionville’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Spokane International Airport (GEG)268 miles away |
|---|---|
| Closer regional airport | Helena Regional Airport (HLN)2 miles away |
| Nearest city of 250,000+ | Seattle, WA490 miles away |
Straight-line distances from the center of Unionville; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
It’s the 169th largest of 475 towns in Montana by population.
Lewis and Clark County grew from 19,171 residents in 1900 to 70,973 in 2020.
Lewis and Clark County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 14°F. About 11.5 inches of rain and melted snow fall in a typical year, with about 37 inches of snow.
Source: NOAA 1991–2020 climate normals, Helena Rgnl Ap, MT weather station (3 miles away).
27,265 jobs at 2,603 businesses in Lewis and Clark County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
984 doctors and other health care providers list an office in Unionville.
Nearest hospitals
Providers with an office here
| Primary care doctors | 71 |
|---|---|
| Specialist doctors | 124 |
| Dentists | 66 |
| Nurse practitioners and physician assistants | 155 |
| Mental health providers | 404 |
| Physical and occupational therapists | 105 |
| Optometrists | 15 |
| Chiropractors | 44 |
| Pharmacies | 16 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (10 nearby)
Grocery stores (5 nearby)
Pharmacies (1 nearby)
Libraries
Museums
Theaters and performance venues (1 nearby)
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Helena Elem, Helena H S. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Broadwater SchoolHelena | Pre-K–5 | 207 | Public | 1.4 mi |
| Bryant SchoolHelena | Pre-K–5 | 288 | Public | 1.2 mi |
| Central SchoolHelena | Pre-K–5 | 242 | Public | 1.8 mi |
| Four Georgians SchoolHelena | Pre-K–5 | 482 | Public | 0.7 mi |
| Hawthorne SchoolHelena | Pre-K–5 | 183 | Public | 1.9 mi |
| Jefferson SchoolHelena | Pre-K–5 | 245 | Public | 2.0 mi |
| Kessler Elementary SchoolHelena | Pre-K–5 | 235 | Public | 2.5 mi |
| Smith SchoolHelena | Pre-K–5 | 217 | Public | 2.1 mi |
| Helena Montessori Charter SchlHelena | K–5 | 198 | Public | 0.6 mi |
| Mount Ascension Learning Ac ELHelena | K–5 | — | Public | 0.6 mi |
| C R Anderson Middle SchlHelena | 6–8 | 962 | Public | 1.8 mi |
| Helena Middle SchoolHelena | 6–8 | 701 | Public | 1.2 mi |
| Mount Ascension Learning Ac MSHelena | 6–8 | 22 | Public | 0.6 mi |
| Capital High SchoolHelena | 9–12 | 1,293 | Public | 1.3 mi |
| Helena High SchoolHelena | 9–12 | 979 | Public | 1.2 mi |
| Helena P.A.L.Helena | 9–12 | 58 | Public | 1.4 mi |
| Mount Ascension Learning Ac HSHelena | 9–12 | 43 | Public | 0.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Bloom Montessori SchoolHelena | Pre-K–3 | 9 | Nonsectarian | 1.1 mi |
| Mountainside MontessoriHelena | Pre-K–K | 4 | Nonsectarian | 2.1 mi |
| St Andrew SchoolHelena | Pre-K–12 | 193 | Roman Catholic | 2.4 mi |
| IntermountainHelena | 2–7 | 7 | Nonsectarian | 2.4 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Helena, Helena West Side and Rimini.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.