Eureka is a town in Lincoln County, Montana, home to about 1,840 people across 1.3 square miles. Its ZIP code is 59917, and parts of 59930 are in Eureka too.
Homes sold for a median of $379 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Eureka; also Indian Springs
Mostly West Kootenai; part is in Eureka
Each card is that ZIP code’s whole market, including any part outside Eureka. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Eureka’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)144 miles away |
|---|---|
| Closer regional airport | Glacier Park International Airport (FCA)50 miles away |
| Nearest city of 250,000+ | Seattle, WA348 miles away |
Straight-line distances from the center of Eureka; 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.
Eureka had 1,380 residents in the 2020 census, up 36% since 2000.
It’s the 62nd largest of 475 towns in Montana by population.
Lincoln County grew from 3,638 residents in 1910 to 19,677 in 2020.
Lincoln County, 1910–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 19°F. About 14.9 inches of rain and melted snow fall in a typical year, with about 35 inches of snow.
Source: NOAA 1991–2020 climate normals, Eureka Rs, MT weather station (5 miles away).
4,520 jobs at 671 businesses in Lincoln County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
49 doctors and other health care providers list an office in Eureka.
Nearest hospitals
Providers with an office here
| Primary care doctors | 6 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 1 |
| Nurse practitioners and physician assistants | 9 |
| Mental health providers | 19 |
| Physical and occupational therapists | 10 |
| Chiropractors | 3 |
| Pharmacies | 3 |
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.
Grocery stores
Libraries
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 Eureka Elem, Lincoln County H S. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Eureka Elementary SchoolEureka | Pre-K–4 | 274 | Public | 3.5 mi |
| Eureka Middle School 5-8Eureka | 5–8 | 254 | Public | 3.4 mi |
| Lincoln Co High SchoolEureka | 9–12 | 273 | Public | 3.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Chrysalis SchoolEureka | 9–12 | 25 | Nonsectarian | 9.1 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 West Kootenai, Rexford and Indian Springs.
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.