Flathead County vs Gallatin County

A side-by-side comparison of Flathead County and Gallatin County: population, income, housing, and more.

Flathead County and Gallatin County are counties in Montana. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Gallatin County has the higher population (122,194 vs 108,445 in Flathead County). Gallatin County has the higher median household income ($87,454 vs $71,327 in Flathead County). Gallatin County has the higher median home value ($604,900 vs $467,700 in Flathead County).

Population, income & housing

	Flathead County	Gallatin County
Population	108,445	122,194
Median age	42.1 yrs	33.8 yrs
Median household income	$71,327	$87,454
Median home value	$467,700	$604,900
Median gross rent	$1,094	$1,574
Housing units	50,948	55,589
Homeownership rate	74.0%	61.5%
Bachelor's degree or higher	36.0%	53.1%
Unemployment rate	3.0%	2.3%

Trends (ACS 5-year, 2019–2023)

	Flathead County	Gallatin County
Population	99,899 → 108,445 (+8.6%)	108,063 → 122,194 (+13.1%)
Median household income	$56,182 → $71,327 (+27.0%)	$66,397 → $87,454 (+31.7%)
Median home value	$273,600 → $467,700 (+70.9%)	$357,100 → $604,900 (+69.4%)
Median gross rent	$855 → $1,094 (+28.0%)	$1,074 → $1,574 (+46.6%)

Flathead County

Population

99,899108,445

Median household income

$56,182$71,327

Median home value

$273,600$467,700

Median gross rent

$855$1,094

Gallatin County

Population

108,063122,194

Median household income

$66,397$87,454

Median home value

$357,100$604,900

Median gross rent

$1,074$1,574

Age & race/ethnicity

Age distribution (share)

	Flathead County	Gallatin County
Under 5	5.4%	4.8%
5 to 17	16.4%	14.4%
18 to 24	6.6%	16.0%
25 to 34	12.0%	16.4%
35 to 44	13.1%	14.2%
45 to 54	11.8%	10.7%
55 to 64	13.9%	10.2%
65 to 74	13.3%	8.6%
75 and over	7.5%	4.6%

Race & ethnicity (share)

	Flathead County	Gallatin County
White (non-Hispanic)	90.7%	88.3%
Black or African American	0.2%	0.5%
American Indian & Alaska Native	0.9%	0.6%
Asian	0.9%	1.3%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.3%	0.7%
Two or more races	3.5%	3.5%
Hispanic or Latino	3.5%	5.1%

Educational attainment (age 25+)

Share of adults 25+

	Flathead County	Gallatin County
No high school diploma	4.4%	2.8%
High school graduate	27.4%	18.2%
Some college or associate's	32.2%	25.8%
Bachelor's degree	24.2%	33.2%
Graduate or professional degree	11.8%	19.9%

Commute to work

How workers get to work (share)

	Flathead County	Gallatin County
Drove alone	73.8%	68.1%
Carpooled	6.5%	8.0%
Public transit	0.1%	0.5%
Walked	2.9%	5.4%
Bicycle	0.6%	2.0%
Worked from home	14.7%	14.9%
Other means	1.5%	1.0%

Housing

Units in structure (share)

	Flathead County	Gallatin County
1-unit, detached	72.6%	59.5%
1-unit, attached	5.0%	9.5%
2 to 4 units	5.7%	11.6%
5 to 19 units	4.7%	9.3%
20 or more units	3.1%	4.6%
Mobile home & other	8.9%	5.5%

Poverty & households

	Flathead County	Gallatin County
Poverty rate	9.6%	10.2%
Average household size	2.46	2.35
Mean commute (minutes)	19	19
Median year structure built	1989	1997