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 1,162. It is also the county seat of Blaine County. Chinook is currently growing at a rate of 0.26% annually but its population has decreased by -1.36% since the most recent census, which recorded a population of 1,178 in 2020.

1.2K
Total Population
2,223
Density (mi²)
3 0.26%
Growth

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)