Big Arm, Montana Population 2024

247

Big Arm is a city located in Lake County Montana. Big Arm has a 2024 population of 247. Big Arm is currently growing at a rate of 19.32% annually and its population has increased by 177.53% since the most recent census, which recorded a population of 89 in 2020.

The average household income in Big Arm is $59,040 with a poverty rate of 51.79%. The median age in Big Arm is 33.5 years: 41.2 years for males, and 29.7 years for females.

Big Arm Demographics

According to the most recent ACS, the racial composition of Big Arm was:

  • Native American: 65.48%
  • White: 34.52%
  • Black or African American: 0%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 0%
  • Two or more races: 0%
State
Montana
Land Area (mi²)
5.4 sq mi
Density (mi²)
45.60/sq mi
Growth Since 2020
177.53% (158)
The current population of Big Arm, Montana is 247 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 89.

Population by Race

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Race
Population
Percentage (of total)
Native American11065.48%
White5834.52%
Black or African American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%
Two or more races00%

Native American

White

Black or African American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Big Arm Population by Race

Big Arm Population Pyramid 2024

Big Arm Median Age

33.5

Total

41.2

Male

29.7

Female

Big Arm Adults

There are 118 adults, (23 of whom are seniors) in Big Arm.

Big Arm Age Dependency

76.8

Age Dependency Ratio

24.2

Old Age Dependency Ratio

52.6

Child Dependency Ratio

Big Arm Sex Ratio

Female8047.62%
Male8852.38%

Big Arm Population by Age

Big Arm Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All473.571000
Married473.571000
Male0000
Female0000
Non Family0000

3.57

Average Family Size

3.57

Average Household Size

100.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Big Arm Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade3832.2%
Associates Degree1210.17%
Bachelors Degree1210.17%
Graduate Degree00%
High School Graduate2218.64%
Less Than 9th Grade00%
Some College3428.81%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Big Arm Educational Attainment by Sex (over 25)

Big Arm Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
Native American60220
White585812

The highest rate of high school graduation is among white people with a rate of 100%.

The highest rate of bachelors degrees is among white people with a rate of 20.69%.

Big Arm Educational Attainment by Race

Big Arm Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Big Arm Language

100% of Big Arm residents speak only English, while 0% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0% of the population.

Big Arm Language

Big Arm Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Native1106458.18%
White582339.66%

51.79%

Overall Poverty Rate

72.73%

Male Poverty Rate

28.75%

Female Poverty Rate

Poverty in Big Arm

The race most likely to be in poverty in Big Arm is Native, with 58.18% below the poverty level.

The race least likely to be in poverty in Big Arm is White, with 39.66% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 51.11%. Among those working part-time, it was 0%, and for those that did not work, the poverty rate was 62.3%.

Big Arm Poverty

rate

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Rate
Poverty
Less Than 9th Grade100%
Some College50%
High School0%
Bachelors or Greater0%

Big Arm Poverty Rate by Education

rate

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Rate
Poverty
Male Employed0%
Male Unemployed0%
Female Employed51.11%
Female Unemployed0%

Big Arm Poverty Rate by Employment Status and Sex

Big Arm Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families-$59,040
Households-$59,040
Married Families-$-999,999,999
Non Families--

mean

median

Income by Household Type

Big Arm Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

83.1%

Overall Marriage Rate

100.0%

Male Marriage Rate

70.0%

Female Marriage Rate

Big Arm Married by Age and Sex

male

female

Big Arm Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is Over 65.

Big Arm Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Big Arm Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

12

Number of Veterans

12

Male Veterans

0

Female Veterans

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War
Veterans
Vietnam12
Second Gulf War0
First Gulf War0
Korea0
World War II0

Big Arm Veterans by War

count

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Age Group
Veterans
65 to 7412
18 to 340
35 to 540
55 to 640
75+0

Big Arm Veterans by Age

count

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Name
Veterans
% of Total
White1220.69%

Big Arm Veterans by Race

Big Arm Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

0%

Veteran Disability Rate

Big Arm Veterans by Education

LaborForceParticipation

48.3%

Labor Force Participation

48.3%

Employment Rate

0%

Unemployment Rate

Big Arm Employment by Age

LaborForceParticipation

Big Arm Employment by Race

LaborForceParticipation

Big Arm Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

50%

Born in Big Arm

100%

Native Born

0%

Foreign Born

0%

Non Citizen

0%

Naturalized

Place of Birth

100% of Big Arm residents were born in the United States, with 50% having been born in Montana. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Big Arm Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20242474019.32%
20232073923.21%
202216886104.88%
202182-7-7.87%
202089-80-47.34%
2019169-73-30.17%
201824200%
2017242-70-22.44%
20163128235.65%
2015230-30-11.54%
2014260-23-8.13%
2013283-4-1.39%
201228772.5%
201128010358.19%
201017700%

Big Arm Population by Year