Greycliff Flag

Greycliff

County Seat:
No
Area (mi²):
0.509
State:
Montana

Greycliff is a CDP located in Sweet Grass County, Montana. Greycliff has a 2025 population of 86. Greycliff is currently declining at a rate of -2.27% annually and its population has decreased by -35.34% since the most recent census, which recorded a population of 133 in 2020.

The average household income in Greycliff is $86,159 with a poverty rate of 9.57%.The median age in Greycliff is 39.6 years: 24.5 years for males, and 39.8 years for females.

86
Total Population
169
Density (mi²)
-2 -2.27%
Growth

Greycliff Population

Greycliff Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Greycliff includes 54.26% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White5154.26%
Two or more races4345.74%

Greycliff Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Greycliff's average per capita income is $65,250. Household income levels show a median of $90,650. The poverty rate stands at 9.57%.

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$91,450-
Families$91,250$96,765
Households$90,650$86,159
Non Families$41,500$53,458

$65,250

Average Income

$90,650

Median Household Income

9.57%

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)