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 Black or African American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Native American

Two or more races

Black or African American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	1,321	90.48%
Native American	78	5.34%
Two or more races	61	4.18%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

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