Big Arm Flag

Big Arm

County:
Lake County
County Seat:
No
Area (mi²):
5.419
State:
Montana

Big Arm is a CDP located in Lake County, Montana. Big Arm has a 2025 population of 166. Big Arm is currently declining at a rate of 0% annually and its population has increased by 86.52% since the most recent census, which recorded a population of 89 in 2020.

The average household income in Big Arm is $55,157 with a poverty rate of 55.63%. The median age in Big Arm is 31.5 years: 40.9 years for males, and 29.6 years for females.

166
Total Population
31
Density (mi²)
0 0%
Growth

Big Arm Population

Big Arm Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Big Arm includes 60.56% Native American, 39.44% White, and smaller percentages for Black or African American, Asian, Native Hawaiian or Pacific Islander, other race, Two or more races and multiracial populations.

Population by Race

Native American

White

Black or African American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Race
Population
Percentage (of total)
Native American8660.56%
White5639.44%
Black or African American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%
Two or more races00%

Big Arm Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Big Arm's average per capita income is $0. Household income levels show a median of $0. The poverty rate stands at 55.63%.

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
Households-$55,157
Families-$55,157
Married Families--
Non Families--

$0

Average Income

$0

Median Household Income

55.63%

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)