ZIP Code 59033
About Greycliff
Greycliff is a census-designated place (CDP) in Sweet Grass County, Montana, United States. As of the 2020 census, Greycliff had a population of 89.
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Area Profile
US Census (ACS 5-year · Gazetteer)
139
population
$90,577
median household income
4
people / sq mi
39.2
median age
64
housing units
64
households
35.4
land area (sq mi)