Alder vs Twin Bridges

A side-by-side comparison of Alder and Twin Bridges: population, income, housing, and more.

Alder and Twin Bridges are places in Montana. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Twin Bridges has the higher population (218 vs 108 in Alder). Twin Bridges has the higher median household income ($52,292 vs $39,167 in Alder). Alder has the higher median home value ($436,400 vs $220,800 in Twin Bridges).

Population, income & housing

	Alder	Twin Bridges
Population	108	218
Median age	58.0 yrs	61.1 yrs
Median household income	$39,167	$52,292
Median home value	$436,400	$220,800
Median gross rent	$717	—
Housing units	75	154
Homeownership rate	72.4%	72.0%
Bachelor's degree or higher	29.0%	17.1%
Unemployment rate	0.0%	0.0%

Trends (ACS 5-year, 2019–2023)

	Alder	Twin Bridges
Population	109 → 108 (-0.9%)	235 → 218 (-7.2%)
Median household income	$32,813 → $39,167 (+19.4%)	$32,321 → $52,292 (+61.8%)
Median home value	$161,300 → $436,400 (+170.6%)	$164,400 → $220,800 (+34.3%)
Median gross rent	—	$735 → $964 (+31.2%)

Alder

Population

109108

Median household income

$32,813$39,167

Median home value

$161,300$436,400

Twin Bridges

Population

235218

Median household income

$32,321$52,292

Median home value

$164,400$220,800

Median gross rent

$735$964

Age & race/ethnicity

Age distribution (share)

	Alder	Twin Bridges
Under 5	3.7%	2.3%
5 to 17	10.2%	14.7%
18 to 24	0.0%	5.0%
25 to 34	5.6%	1.4%
35 to 44	11.1%	15.1%
45 to 54	12.0%	7.8%
55 to 64	16.7%	16.1%
65 to 74	23.1%	25.7%
75 and over	17.6%	11.9%

Race & ethnicity (share)

	Alder	Twin Bridges
White (non-Hispanic)	100.0%	92.7%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	3.2%
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%	2.8%
Hispanic or Latino	0.0%	1.4%

Educational attainment (age 25+)

Share of adults 25+

	Alder	Twin Bridges
No high school diploma	5.4%	5.3%
High school graduate	33.3%	30.6%
Some college or associate's	32.3%	47.1%
Bachelor's degree	20.4%	16.5%
Graduate or professional degree	8.6%	0.6%

Commute to work

How workers get to work (share)

	Alder	Twin Bridges
Drove alone	52.0%	68.4%
Carpooled	0.0%	1.8%
Public transit	0.0%	0.0%
Walked	20.0%	24.6%
Bicycle	0.0%	0.0%
Worked from home	28.0%	5.3%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Alder	Twin Bridges
1-unit, detached	78.7%	77.9%
1-unit, attached	0.0%	1.9%
2 to 4 units	5.3%	1.3%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	16.0%	18.8%

Poverty & households

	Alder	Twin Bridges
Poverty rate	13.9%	11.5%
Average household size	1.86	2.04
Mean commute (minutes)	11	38
Median year structure built	1955	1964