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 2026 population of 170. Garrison is currently growing at a rate of 6.92% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Garrison is $93,625 with a poverty rate of 7.55%. The median age in Garrison is 38.3 years: 38.1 years for males, and 49.5 years for females. For every 100 females there are 231.3 males.

170
Total Population
18
Density (mi²)
11 6.92%
Growth

Garrison Population

Garrison Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026170116.92%
2025159106.71%

Median Age

Overall: 38.3 years
Female: 49.5 years
Male: 38.1 years

Garrison Adults

There are 71 adults, (14 of whom are seniors) in Garrison.

Sex Ratio

Female: 32 (30.2%)
Male: 74 (69.8%)

Demographics

The racial composition of Garrison includes 71.7% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White7671.7%
Two or more races3028.3%
Race
Population ↓
Percentage (of total)
White7671.7%
Two or more races3028.3%

Garrison Marital Status

Economics and Income Statistics

Garrison 's average per capita income is $51,125. Household income levels show a median of $93,625. The poverty rate stands at 7.55%.

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$125,179-
Families$110,000$103,029
Households$93,625$87,920
Non Families-$67,771

$51,125

Average Income

$93,625

Median Household Income

7.55%

Poverty Rate

Nearby Cities

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)