Big Sky vs Three Forks

A side-by-side comparison of Big Sky and Three Forks: population, income, housing, and more.

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

Big Sky has the higher population (2,388 vs 2,034 in Three Forks). Big Sky has the higher median household income ($103,625 vs $80,394 in Three Forks). Big Sky has the higher median home value ($884,700 vs $382,400 in Three Forks).

Population, income & housing

	Big Sky	Three Forks
Population	2,388	2,034
Median age	38.5 yrs	42.6 yrs
Median household income	$103,625	$80,394
Median home value	$884,700	$382,400
Median gross rent	$1,712	$1,263
Housing units	3,118	895
Homeownership rate	85.5%	75.1%
Bachelor's degree or higher	58.3%	21.3%
Unemployment rate	2.1%	1.1%

Trends (ACS 5-year, 2019–2023)

	Big Sky	Three Forks
Population	3,058 → 2,388 (-21.9%)	1,729 → 2,034 (+17.6%)
Median household income	$75,586 → $103,625 (+37.1%)	$65,357 → $80,394 (+23.0%)
Median home value	$564,000 → $884,700 (+56.9%)	$208,800 → $382,400 (+83.1%)
Median gross rent	$1,405 → $1,712 (+21.9%)	$1,083 → $1,263 (+16.6%)

Big Sky

Population

3,0582,388

Median household income

$75,586$103,625

Median home value

$564,000$884,700

Median gross rent

$1,405$1,712

Three Forks

Population

1,7292,034

Median household income

$65,357$80,394

Median home value

$208,800$382,400

Median gross rent

$1,083$1,263

Age & race/ethnicity

Age distribution (share)

	Big Sky	Three Forks
Under 5	6.1%	5.1%
5 to 17	8.2%	16.0%
18 to 24	3.5%	6.3%
25 to 34	19.9%	12.5%
35 to 44	25.2%	11.8%
45 to 54	8.0%	7.1%
55 to 64	17.6%	21.4%
65 to 74	9.2%	15.6%
75 and over	2.3%	4.1%

Race & ethnicity (share)

	Big Sky	Three Forks
White (non-Hispanic)	93.6%	93.2%
Black or African American	0.2%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	1.9%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.6%	0.0%
Two or more races	1.7%	1.3%
Hispanic or Latino	3.8%	3.6%

Educational attainment (age 25+)

Share of adults 25+

	Big Sky	Three Forks
No high school diploma	3.3%	3.0%
High school graduate	7.6%	36.3%
Some college or associate's	30.7%	39.5%
Bachelor's degree	38.7%	19.0%
Graduate or professional degree	19.6%	2.2%

Commute to work

How workers get to work (share)

	Big Sky	Three Forks
Drove alone	58.7%	81.3%
Carpooled	2.9%	0.7%
Public transit	3.3%	0.0%
Walked	6.6%	6.2%
Bicycle	0.0%	0.0%
Worked from home	27.9%	9.1%
Other means	0.7%	2.6%

Housing

Units in structure (share)

	Big Sky	Three Forks
1-unit, detached	50.7%	67.8%
1-unit, attached	20.5%	2.1%
2 to 4 units	16.7%	7.2%
5 to 19 units	5.5%	0.0%
20 or more units	6.0%	0.0%
Mobile home & other	0.5%	22.9%

Poverty & households

	Big Sky	Three Forks
Poverty rate	6.9%	6.7%
Average household size	2.01	2.30
Mean commute (minutes)	22	22
Median year structure built	2000	1983