ZIP Code 59731
About Garrison
Garrison is a census-designated place (CDP) in Powell County, Montana, United States. As of the 2020 census, Garrison had a population of 115.
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Area Profile
US Census (ACS 5-year · Gazetteer)
215
population
$58,750
median household income
2
people / sq mi
$350,000
median home value
36.8
median age
77
housing units
73
households
131.1
land area (sq mi)