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 2026 population of 90. Greycliff is currently declining at a rate of -1.1% 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 Greycliff is $70,417 with a poverty rate of 4.43%. The median age in Greycliff is 30.4 years: 22.8 years for males, and 39.6 years for females. For every 100 females there are 251.1 males.

90
Total Population
177
Density (mi²)
-1 -1.1%
Growth

Greycliff Population

Greycliff Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202690-1-1.1%
202591-2-2.15%

Median Age

Overall: 30.4 years
Female: 39.6 years
Male: 22.8 years

Greycliff Adults

There are 102 adults, (35 of whom are seniors) in Greycliff.

Sex Ratio

Female: 45 (28.5%)
Male: 113 (71.5%)

Demographics

The racial composition of Greycliff includes 63.92% White, 4.43% Asian, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White10163.92%
Two or more races4629.11%
Asian74.43%
Native American42.53%
Race
Population ↓
Percentage (of total)
Native American31.9%
Race
Population ↓
Percentage (of total)
White10163.92%
Two or more races4629.11%
Asian74.43%
Native American10.63%

Greycliff Marital Status

Economics and Income Statistics

Greycliff 's average per capita income is $49,583. Household income levels show a median of $70,417. The poverty rate stands at 4.43%.

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$94,167-
Families$71,042$86,831
Households$70,417$76,626
Non Families-$41,636

$49,583

Average Income

$70,417

Median Household Income

4.43%

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)