Big Arm vs Elmo

A side-by-side comparison of Big Arm and Elmo: population, income, housing, and more.

Big Arm and Elmo are places in Montana. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Elmo has the higher population (183 vs 142 in Big Arm). Since 2019, Elmo's population has grown faster (+10.9% vs -16.0%).

Population, income & housing

	Big Arm	Elmo
Population	142	183
Median age	31.5 yrs	53.2 yrs
Housing units	82	112
Homeownership rate	100.0%	38.8%
Bachelor's degree or higher	11.2%	10.0%
Unemployment rate	0.0%	58.7%

Trends (ACS 5-year, 2019–2023)

	Big Arm	Elmo
Population	169 → 142 (-16.0%)	165 → 183 (+10.9%)

Big Arm

Population

169142

Elmo

Population

165183

Age & race/ethnicity

Age distribution (share)

	Big Arm	Elmo
Under 5	19.0%	0.0%
5 to 17	12.0%	39.9%
18 to 24	0.0%	0.0%
25 to 34	31.0%	8.7%
35 to 44	25.4%	0.0%
45 to 54	0.0%	8.2%
55 to 64	0.0%	4.9%
65 to 74	7.7%	26.2%
75 and over	4.9%	12.0%

Race & ethnicity (share)

	Big Arm	Elmo
White (non-Hispanic)	39.4%	12.6%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	60.6%	87.4%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	0.0%	0.0%
Hispanic or Latino	0.0%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Big Arm	Elmo
No high school diploma	25.5%	50.0%
High school graduate	17.3%	13.6%
Some college or associate's	45.9%	26.4%
Bachelor's degree	11.2%	10.0%
Graduate or professional degree	0.0%	0.0%

Commute to work

How workers get to work (share)

	Big Arm	Elmo
Drove alone	100.0%	100.0%
Carpooled	0.0%	0.0%
Public transit	0.0%	0.0%
Walked	0.0%	0.0%
Bicycle	0.0%	0.0%
Worked from home	0.0%	0.0%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Big Arm	Elmo
1-unit, detached	53.7%	35.7%
1-unit, attached	0.0%	24.1%
2 to 4 units	0.0%	0.0%
5 to 19 units	0.0%	21.4%
20 or more units	0.0%	0.0%
Mobile home & other	46.3%	18.8%

Poverty & households

	Big Arm	Elmo
Poverty rate	55.6%	30.1%
Average household size	2.90	2.15
Median year structure built	1976	1994