Helena Valley Southeast is a community in Lewis and Clark County, Montana, home to about 9,108 people across 22 square miles. Its ZIP code is 59635, and parts of 59602 are in Helena Valley Southeast too.
Homes sold for a median of $277 per square foot in the three months ending August 2026, a seller’s market.
Mostly Helena Valley Southeast; also East Helena and Spokane Creek
Mostly Helena Valley West Central; part is in Helena Valley Southeast
Each card is that ZIP code’s whole market, including any part outside Helena Valley Southeast. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Helena Valley Southeast’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Helena Valley Southeast well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Spokane International Airport (GEG)271 miles away |
|---|---|
| Closer regional airport | Helena Regional Airport (HLN)5 miles away |
| Nearest city of 250,000+ | Seattle, WA493 miles away |
Straight-line distances from the center of Helena Valley Southeast; 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.
Helena Valley Southeast had 9,168 residents in the 2020 census, up 28% since 2000.
It’s the 12th 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 (5 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).
13 doctors and other health care providers list an office in Helena Valley Southeast.
Nearest hospitals
Providers with an office here
| Dentists | 1 |
|---|---|
| Nurse practitioners and physician assistants | 1 |
| Mental health providers | 6 |
| Physical and occupational therapists | 5 |
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 (1 nearby)
Grocery stores
Pharmacies
Libraries
Museums
Theaters and performance venues
Counts are within about 3 miles 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 East Helena K-12. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Eastgate SchoolEast Helena | Pre-K–K | 161 | Public | 5.5 mi |
| Prickly Pear ElemEast Helena | 1–2 | 269 | Public | 5.2 mi |
| Radley Elementary SchoolEast Helena | 3–5 | 428 | Public | 5.4 mi |
| 227 Academy- middle schoolEast Helena | 6–8 | 21 | Public | 4.6 mi |
| East Valley Middle SchoolEast Helena | 6–8 | 471 | Public | 5.4 mi |
| 227 Academy- HSEast Helena | 9–12 | 59 | Public | 4.6 mi |
| East Helena High SchoolEast Helena | 9–12 | 563 | Public | 4.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Helena Christian SchoolEast Helena | Pre-K–12 | 203 | Christian (no specific denomination) | 3.7 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 Valley West Central, Helena Valley Northwest, Helena Valley Northeast, Helena, East Helena, Spokane Creek, Montana City and York.
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.