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Blaine County, MT
11 cities and towns and 7 ZIP codes in Blaine County, Montana.
Population
6,949
Land area
4,228sq mi
People per sq mi
2
ZIP codes
7
Cities and towns in Blaine County
Blaine County at a glance
- Blaine County is 79% less dense than Montana as a whole.
- The median household income is $64,813, 11% below the Montana median of $72,509.
- A typical owner-occupied home is valued at $155,500 (59% below Montana) and median rent is $660 a month.
- Its largest cities are Chinook (1,353), Fort Belknap Agency (1,227) and Hays (1,009).
Local data for Blaine County, MT
Counts from official public data
Housing and community stats
Blaine County, MT, American Community Survey 2020-2024
Median household income
$64,813
Poverty rate
18.3%
Median home value
$155,500
Median rent
$660/mo
Homeownership
65.7%
Bachelor's or higher
23.9%
Median age
35.6
Average commute
15.4 min
Largest reported origins and ancestries: German Americans (927), Norwegian Americans (462), Irish Americans (289).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
2.4%
Sep 2026, -0.7 pts in a year
Average annual pay
$46,693
1,325 jobs, 2025
Income per person
$37,554
BEA, 2024
Federal spending
$91.3M
FY 2026, $12,956 per person
PPP loans
$11.8M
440 loans, 1,378 jobs reported
Campaign donations
$20.3K
Itemized, 2026 cycle
How people get to work
Blaine County, MT, workers 16 and older. American Community Survey 5-year estimates
- Drove alone59.8%
- Carpooled15.8%
- Public transit0.6%
- Walked5.1%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other2.0%
- Worked from home16.6%
Average one-way commute: 15.4 minutes for people who do not work from home.
Environment and hazard risk
Blaine County, MT, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: cold wave
Storm events since 1996
310
Most often thunderstorm wind
Flood insurance policies
13
0.3% of homes, county
July high / Jan low
84° / 6°F
13.5 inches of rain a year
Hazards, floods and storm historyCheck a flood zone5 historic places
Health statistics
Share of adults in Blaine County, MT, CDC PLACES estimates
Obesity
41.1%
U.S. 33.3% +7.8 pts
Diabetes
14.3%
U.S. 12.1% +2.2 pts
Smoking
20.8%
U.S. 12.8% +8.0 pts
Uninsured (18-64)
11.9%
U.S. 11.1% +0.8 pts
Cities, towns and ZIP codes in Blaine County
Population shown
Frequently asked questions
- What is the largest city in Blaine County, MT?
- Chinook is the largest city or town in Blaine County, with about 1,353 residents.
- How many ZIP codes are in Blaine County?
- Blaine County includes 7 ZIP Code Tabulation Areas, including 59523, 59526, 59527, 59529, 59535.
- What is the population of Blaine County, MT?
- About 6,949 people live in Blaine County, based on American Community Survey 5-year estimates.
- What counties border Blaine County?
- Blaine County borders Hill County, Fergus County, Chouteau County, Phillips County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023