Big Arm vs Rollins

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

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

Big Arm has the higher population (142 vs 110 in Rollins). Since 2019, Big Arm's population has grown faster (-16.0% vs -45.3%).

Population, income & housing

	Big Arm	Rollins
Population	142	110
Median age	31.5 yrs	62.0 yrs
Median household income	—	$180,197
Median home value	—	$1,210,900
Housing units	82	219
Homeownership rate	100.0%	95.6%
Bachelor's degree or higher	11.2%	57.3%
Unemployment rate	0.0%	5.3%

Trends (ACS 5-year, 2019–2023)

	Big Arm	Rollins
Population	169 → 142 (-16.0%)	201 → 110 (-45.3%)
Median household income	—	$59,412 → $180,197 (+203.3%)
Median home value	—	$531,300 → $1,210,900 (+127.9%)

Big Arm

Population

169142

Rollins

Population

201110

Median household income

$59,412$180,197

Median home value

$531,300$1,210,900

Age & race/ethnicity

Age distribution (share)

	Big Arm	Rollins
Under 5	19.0%	0.0%
5 to 17	12.0%	0.9%
18 to 24	0.0%	5.5%
25 to 34	31.0%	9.1%
35 to 44	25.4%	0.0%
45 to 54	0.0%	0.0%
55 to 64	0.0%	47.3%
65 to 74	7.7%	22.7%
75 and over	4.9%	14.5%

Race & ethnicity (share)

	Big Arm	Rollins
White (non-Hispanic)	39.4%	91.8%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	60.6%	0.0%
Asian	0.0%	2.7%
Native Hawaiian & Pacific Islander	0.0%	3.6%
Some other race	0.0%	0.0%
Two or more races	0.0%	1.8%
Hispanic or Latino	0.0%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Big Arm	Rollins
No high school diploma	25.5%	8.7%
High school graduate	17.3%	14.6%
Some college or associate's	45.9%	19.4%
Bachelor's degree	11.2%	44.7%
Graduate or professional degree	0.0%	12.6%

Commute to work

How workers get to work (share)

	Big Arm	Rollins
Drove alone	100.0%	48.5%
Carpooled	0.0%	4.4%
Public transit	0.0%	2.9%
Walked	0.0%	35.3%
Bicycle	0.0%	0.0%
Worked from home	0.0%	8.8%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Big Arm	Rollins
1-unit, detached	53.7%	95.9%
1-unit, attached	0.0%	0.0%
2 to 4 units	0.0%	0.0%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	46.3%	4.1%

Poverty & households

	Big Arm	Rollins
Poverty rate	55.6%	11.8%
Average household size	2.90	1.96
Mean commute (minutes)	—	24
Median year structure built	1976	1984