Garrison Flag

Garrison

County:
Powell County
County Seat:
No
Area (mi²):
9.634
State:
Montana

Garrison is a CDP located in Powell County, Montana. Garrison has a 2025 population of 159. Garrison is currently growing at a rate of 7.43% annually and its population has increased by 80.68% since the most recent census, which recorded a population of 88 in 2020.

The average household income in Garrison is $58,133 with a poverty rate of 8.7%.The median age in Garrison is 38.2 years: 19.3 years for males, and 38.7 years for females.

159
Total Population
17
Density (mi²)
11 7.43%
Growth

Garrison Population

Garrison Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Garrison includes 96.38% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White13396.38%
Two or more races53.62%

Garrison Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Garrison's average per capita income is $39,063. Household income levels show a median of $46,250. The poverty rate stands at 8.7%.

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
Married Families$46,875-
Families$46,563$60,252
Households$46,250$58,133
Non Families-$55,826

$39,063

Average Income

$46,250

Median Household Income

8.7%

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)