Chinook

County:: Blaine County
County Seat:: Yes
Area (mi²):: 0.523
State:: Montana

Chinook is a city located in Blaine County, Montana. Chinook has a 2025 population of 1,149. It is also the county seat of Blaine County. Chinook is currently declining at a rate of -0.43% annually and its population has decreased by -2.3% since the most recent census, which recorded a population of 1,176 in 2020.

The average household income in Chinook is $83,256 with a poverty rate of 10.36%.The median age in Chinook is 39 years: 45.4 years for males, and 30.6 years for females.

Demographics

The racial composition of Chinook includes 90.48% White, 5.34% Native American, and smaller percentages for and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	1,321	90.48%
Native American	78	5.34%
Two or more races	61	4.18%

Chinook Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Chinook's average per capita income is $63,664. Household income levels show a median of $71,500. The poverty rate stands at 10.36%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Families	$105,938	$122,776
Married Families	$96,000	-
Households	$71,500	$83,256
Non Families	$21,914	$34,029

$63,664

Average Income

$71,500

Median Household Income

10.36%

Poverty Rate