St. Ignatius is a town in Lake County, Montana, home to about 977 people across 0.5 square miles. Its ZIP code is 59865.
Homes sold for a median of $394 per square foot in the three months ending August 2026, a buyer’s market.
Each card is that ZIP code’s whole market, including any part outside St. Ignatius. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up St. Ignatius’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)163 miles away |
|---|---|
| Closer regional airport | Missoula Montana Airport (MSO)29 miles away |
| Nearest city of 250,000+ | Seattle, WA387 miles away |
Straight-line distances from the center of St. Ignatius; 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.
St. Ignatius had 768 residents in the 2020 census, down 3% since 2000.
It’s the 96th largest of 475 towns in Montana by population.
Lake County grew from 9,541 residents in 1930 to 31,134 in 2020.
Lake County, 1930–2020
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 22°F. About 16.8 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Saint Ignatius, MT weather station (about a mile away).
7,817 jobs at 991 businesses in Lake County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
60 doctors and other health care providers list an office in St. Ignatius.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Dentists | 11 |
| Nurse practitioners and physician assistants | 8 |
| Mental health providers | 35 |
| Physical and occupational therapists | 3 |
| Chiropractors | 1 |
| 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
Pharmacies
Libraries
Museums
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 St Ignatius K-12 Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| St Ignatius Elementary SchoolSt Ignatius | Pre-K–5 | 210 | Public | 1.1 mi |
| St Ignatius Middle SchoolSt Ignatius | 6–8 | 128 | Public | 1.0 mi |
| St Ignatius High SchoolSt Ignatius | 9–12 | 121 | Public | 1.0 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Mission Valley Christian SchoolSaint Ignatius | 1–8 | 26 | Amish | 2.2 mi |
| Pinehaven Christian Childrens Ranch and SchoolSaint Ignatius | 1–12 | 12 | Christian (no specific denomination) | 4.5 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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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.