Fort Belknap Agency is a community in Blaine County, Montana, home to about 1,227 people across 46 square miles. Its ZIP code is 59526.
Mostly Fort Belknap Agency; also Harlem and North Harlem Colony
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| Nearest major airport | Spokane International Airport (GEG)409 miles away |
|---|---|
| Closer regional airport | Havre City County Airport (HVR)45 miles away |
| Nearest city of 250,000+ | Seattle, WA630 miles away |
Straight-line distances from the center of Fort Belknap Agency; 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.
Fort Belknap Agency had 1,567 residents in the 2020 census, up 24% since 2000.
It’s the 81st 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 85°F in summer, and winter lows average 5°F. About 12.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Harlem, 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).
23 doctors and other health care providers list an office in Fort Belknap Agency.
Nearest hospitals
Providers with an office here
| Primary care doctors | 3 |
|---|---|
| Dentists | 2 |
| Nurse practitioners and physician assistants | 4 |
| Mental health providers | 12 |
| Physical and occupational therapists | 1 |
| 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 (4 nearby)
Grocery stores (1 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Counts are within about 4.5 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 Harlem Elem, North Harlem Colony Elem, Harlem H S. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Harlem Elementary SchoolHarlem | Pre-K–6 | 350 | Public | 1.1 mi |
| North Harlem ElementaryHarlem | Pre-K–8 | 3 | Public | 3.2 mi |
| Harlem 7-8Harlem | 7–8 | 104 | Public | 0.8 mi |
| Harlem High SchoolHarlem | 9–12 | 175 | Public | 0.8 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| White Clay Immersion SchoolHarlem | 1–5 | 8 | Nonsectarian | 3.9 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 Harlem and North Harlem Colony.
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.