Chinook Flag

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 2026 population of 1,149. It is also the county seat of Blaine County. Chinook is currently declining at a rate of -0.52% annually and its population has decreased by -2.54% since the most recent census, which recorded a population of 1,179 in 2020.

The median household income in Chinook is $61,750 with a poverty rate of 8.37%. The median age in Chinook is 44.8 years: 48.1 years for males, and 40.4 years for females. For every 100 females there are 104.4 males.

1.1K
Total Population
2,198
Density (mi²)
-6 -0.52%
Growth

Chinook Population

Chinook Population

Year ↓
Population
Growth
Annual Change
20261,149-6-0.52%
20251,155-2-0.17%
20241,157-1-0.09%
20231,158-12-1.03%
20221,170-8-0.68%
20211,178-1-0.08%
20201,179-6-0.51%
20191,256-8-0.63%
20181,26490.72%
20171,25550.4%
20161,25060.48%
20151,244-5-0.4%
20141,249141.13%
20131,235-9-0.72%
20121,244241.97%
20111,220171.41%
20101,20610.08%

Median Age

Overall: 44.8 years
Female: 40.4 years
Male: 48.1 years

Chinook Adults

There are 945 adults, (325 of whom are seniors) in Chinook.

Sex Ratio

Female: 662 (48.9%)
Male: 691 (51.1%)

Demographics

The racial composition of Chinook includes 85.81% White, 8.65% Native American, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,16185.81%
Native American1178.65%
Two or more races654.8%
Black or African American100.74%
Race
Population ↓
Percentage (of total)
White1,16185.81%
Native American1178.65%
Two or more races654.8%
Black or African American100.74%

Chinook Marital Status

Economics and Income Statistics

Chinook's average per capita income is $53,750. Household income levels show a median of $61,750. The poverty rate stands at 8.37%.

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$95,250$120,730
Married Families$90,208-
Households$61,750$84,653
Non Families$21,429$32,658

$53,750

Average Income

$61,750

Median Household Income

8.37%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)