Big Arm vs Dayton

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

Big Arm and Dayton 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 103 in Dayton). Since 2019, Dayton's population has grown faster (+6.2% vs -16.0%).

Population, income & housing

	Big Arm	Dayton
Population	142	103
Median age	31.5 yrs	65.8 yrs
Median household income	—	$84,688
Median home value	—	$875,000
Housing units	82	110
Homeownership rate	100.0%	58.5%
Bachelor's degree or higher	11.2%	48.8%
Unemployment rate	0.0%	14.3%

Trends (ACS 5-year, 2019–2023)

	Big Arm	Dayton
Population	169 → 142 (-16.0%)	97 → 103 (+6.2%)
Median household income	—	$52,500 → $84,688 (+61.3%)
Median home value	—	$310,000 → $875,000 (+182.3%)

Big Arm

Population

169142

Dayton

Population

97103

Median household income

$52,500$84,688

Median home value

$310,000$875,000

Age & race/ethnicity

Age distribution (share)

	Big Arm	Dayton
Under 5	19.0%	8.7%
5 to 17	12.0%	0.0%
18 to 24	0.0%	11.7%
25 to 34	31.0%	5.8%
35 to 44	25.4%	0.0%
45 to 54	0.0%	2.9%
55 to 64	0.0%	18.4%
65 to 74	7.7%	32.0%
75 and over	4.9%	20.4%

Race & ethnicity (share)

	Big Arm	Dayton
White (non-Hispanic)	39.4%	88.3%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	60.6%	5.8%
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%	5.8%
Hispanic or Latino	0.0%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Big Arm	Dayton
No high school diploma	25.5%	0.0%
High school graduate	17.3%	23.2%
Some college or associate's	45.9%	28.0%
Bachelor's degree	11.2%	14.6%
Graduate or professional degree	0.0%	34.1%

Commute to work

How workers get to work (share)

	Big Arm	Dayton
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	Dayton
1-unit, detached	53.7%	85.5%
1-unit, attached	0.0%	0.0%
2 to 4 units	0.0%	2.7%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	46.3%	11.8%

Poverty & households

	Big Arm	Dayton
Poverty rate	55.6%	3.9%
Average household size	2.90	1.94
Mean commute (minutes)	—	46
Median year structure built	1976	1973