Chinook is a city in Blaine County, Montana, home to about 1,353 people across 0.5 square miles. Its ZIP code is 59523.
Mostly Chinook
We’re writing up Chinook’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)389 miles away |
|---|---|
| Closer regional airport | Havre City County Airport (HVR)25 miles away |
| Nearest city of 250,000+ | Seattle, WA609 miles away |
Straight-line distances from the center of Chinook; 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.
Chinook had 1,185 residents in the 2020 census, down 15% since 2000.
It’s the 78th largest of 475 towns in Montana by population.
Blaine County grew from 9,057 residents in 1920 to 7,044 in 2020.
Blaine County, 1920–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 4°F. About 13.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Chinook, MT weather station (about a mile away).
1,036 jobs at 135 businesses in Blaine County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
20 doctors and other health care providers list an office in Chinook.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Dentists | 2 |
| Nurse practitioners and physician assistants | 4 |
| Mental health providers | 7 |
| Physical and occupational therapists | 5 |
| Optometrists | 1 |
| Pharmacies | 1 |
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 (2 nearby)
Libraries (1 nearby)
Museums (2 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 Bear Paw Elem, Cleveland Elem, Chinook Elem and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Bear Paw SchoolChinook | Pre-K–8 | 10 | Public | 26.6 mi |
| Cleveland SchoolChinook | Pre-K–8 | 11 | Public | 21.6 mi |
| Meadowlark SchoolChinook | Pre-K–6 | 144 | Public | 0.9 mi |
| Chinook 7-8Chinook | 7–8 | 63 | Public | 0.8 mi |
| Chinook High SchoolChinook | 9–12 | 115 | Public | 0.8 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public 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.