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COUNTY · 1990 CENSUS

Gallatin County

Montana · 50,463 residents · 2,605 sq mi
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The short version

Gallatin County is a county of 50,463 people in Montana. This is an unusually credentialed place: 34% of adults have a four-year degree. The population has fallen 26% since 2000. This skews young, with a median age of 29.9. The typical home is worth $69,900. Owners hold 59% of the housing stock.

At a glance
Lower income
below the US median
US median: $30,130
Younger
median age 29.9
US median: 33.0
More educated
34% hold a bachelor's degree
US average: 20%
More affordable
home values down 34%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

Total population
50,463
−26%vs 2000
vs 67,831 in 2000
1990 – 2025
Median age
29.9
−3%vs 2000
vs 30.7 in 2000
US average: 33.0
Land area
2,605 sq mi
Population, 1990 – 2024
43K65K87K109K131K19902000201020202024Gallatin County
2024124K
1990201020202024
Age distribution, 1990
Under 56.9%(3,476)
US avg: 7.3%
5 to 97.2%(3,621)
US avg: 7.3%
10 to 146.8%(3,416)
US avg: 6.9%
15 to 198.7%(4,369)
US avg: 7.1%
20 to 2412.5%(6,305)
US avg: 7.5%
25 to 3417.7%(8,945)
US avg: 17.5%
35 to 4416.8%(8,470)
US avg: 15.1%
45 to 548.5%(4,273)
US avg: 10.2%
55 to 646.1%(3,103)
US avg: 8.5%
65 to 745.5%(2,751)
US avg: 7.3%
75 to 842.7%(1,338)
US avg: 4%
85 and over0.8%(396)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$23,345
−19%inflation adjusted, since 2000
vs $38,120 in 2000
US average: $30,130
1990 – 2024
Per capita income
$12,252
−36%vs 2000
vs $19,074 in 2000
US average: $14,340
Poverty rate
17.1%
+4.3 ptsvs 2000
vs 12.8% in 2000
US average: 13.2%
Section 03

Housing

Median home value
$69,900
−34%inflation adjusted, since 2000
vs $140,000 in 2000
US average: $93,722
1990 – 2024
Median gross rent
$342
−19%inflation adjusted, since 2000
vs $555 in 2000
US average: $450
Owner-occupied
58.5%
−3.9 ptsvs 2000
vs 62.4% in 2000
41.5% rent
Section 04

Race & ethnicity

2000
White, non-Hispanic95.3%(64,672)
Black0.2%(148)
Hispanic / Latino1.5%(1,047)
Asian0.9%(599)
Other0%
1990
White, non-Hispanic97.1%(49,020)
Black0.2%(80)
Hispanic / Latino1.4%(724)
Asian1.3%(631)
Other1.5%(732)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican2.8%(3,491)
Spaniard0.3%(354)
Puerto Rican0.3%(346)
Venezuelan0.2%(231)
Colombian0.2%(226)
Honduran0.2%(213)
Cuban0.2%(205)
Peruvian0.2%(196)
Nicaraguan0.1%(149)
Argentine0.1%(83)
+ 8 more hispanic origin groups with data
Costa Rican0.1%(81)
Bolivian0.1%(73)
Dominican0%(57)
Chilean0%(10)
Asian origin
Chinese0.6%(755)
Korean0.2%(192)
Asian Indian0.1%(176)
Filipino0.1%(148)
Vietnamese0.1%(86)
Japanese0%(60)
Nepalese0%(55)
Thai0%(33)
Pacific Islander origin
Chamorro0%(11)
Ancestry
German22.3%(27,702)
English14.6%(18,065)
Irish13.7%(16,974)
Norwegian6.4%(7,914)
American4.7%(5,849)
Scottish3.7%(4,535)
Italian3.5%(4,360)
Dutch3%(3,776)
Swedish2.8%(3,430)
French2.6%(3,213)
Polish2.3%(2,912)
Scotch-Irish1.4%(1,751)
+ 37 more ancestry groups with data
Danish1.1%(1,313)
Russian0.8%(1,046)
Welsh0.8%(1,039)
Hungarian0.7%(833)
Swiss0.6%(764)
Ukrainian0.5%(580)
Czech0.4%(524)
Finnish0.4%(520)
Austrian0.4%(458)
British0.3%(424)
Greek0.3%(341)
Canadian0.3%(321)
Lithuanian0.3%(314)
Arab0.2%(266)
Romanian0.2%(265)
Portuguese0.2%(230)
Australian0.2%(229)
Turkish0.2%(213)
Croatian0.2%(203)
Belgian0.1%(183)
Lebanese0.1%(165)
Slovak0.1%(138)
Armenian0.1%(117)
Serbian0.1%(117)
Slovene0.1%(89)
West Indian0.1%(81)
Ethiopian0.1%(73)
Bulgarian0.1%(64)
Latvian0.1%(64)
Guyanese0%(59)
Iraqi0%(53)
Iranian0%(50)
Brazilian0%(44)
Syrian0%(35)
Section 05

Education

Bachelor's degree or higher
33.8%
−7.2 ptsvs 2000
vs 41.0% in 2000
US average: 20.3%
High school or higher
90.4%
−3.0 ptsvs 2000
vs 93.3% in 2000
US average: 75.2%
Graduate degree
11.9%
−1.0 ptsvs 2000
vs 12.9% in 2000
US average: 7.1%
Section 06

Commute & transportation

Average commute
18.4 min
+59%vs 2000
vs 11.6 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)
Men 15+
Never married43.5%(23,952)
Married48.5%(26,717)
Widowed1.5%(800)
Divorced6.5%(3,595)
Women 15+
Never married34.4%(17,105)
Married51.4%(25,610)
Widowed5.1%(2,536)
Divorced9.1%(4,526)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured
6.9%
−6.9 ptssince 2013
from 13.8% in 2013
US average: 8.4%
Employer-based
57.9%
−0.1 ptssince 2020
from 58.0% in 2020
US average: 54.8%
Direct-purchase
20.1%
−1.7 ptssince 2020
from 21.8% in 2020
US average: 13.8%
Medicare
14.3%
+1.2 ptssince 2020
from 13.1% in 2020
US average: 18.4%
Medicaid
13.1%
+0.1 ptssince 2020
from 13.0% in 2020
US average: 20.9%
VA health care
2.3%
−0.1 ptssince 2020
from 2.4% in 2020
US average: 2.2%
Any private
76.1%
−1.5 ptssince 2020
from 77.6% in 2020
US average: 67.1%
Any public
26.9%
+1.4 ptssince 2020
from 25.5% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)32.3%(1,649)
US avg: 26.4%
Gulf War (1990s)25.8%(1,318)
US avg: 24.3%
Vietnam era31.5%(1,611)
US avg: 33.1%
Korean War3.2%(164)
US avg: 4.5%
World War II1%(49)
US avg: 1%

Share of the 5,109 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

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Head to head

Compare Gallatin County to nearby counties

GALLATIN COUNTY VS
Park County
Income$70,047+200%
Home value$467,500+569%
Population18,214−86%
SEE FULL COMPARISON →
GALLATIN COUNTY VS
Madison County
Income$75,250+222%
Home value$470,100+573%
Population10,026−92%
SEE FULL COMPARISON →
GALLATIN COUNTY VS
Broadwater County
Income$70,374+201%
Home value$426,600+510%
Population8,493−93%
SEE FULL COMPARISON →
GALLATIN COUNTY VS
Jefferson County
Income$95,490+309%
Home value$446,900+539%
Population13,329−90%
SEE FULL COMPARISON →
Frequently asked

How many people live in Gallatin County, Montana?

Gallatin County, Montana has about 50,463 residents according to the 1990 Census.

What is the median household income in Gallatin County, Montana?

The typical household in Gallatin County, Montana earns about $23,345 a year. Half of households make more than that, and half make less.

Is Gallatin County, Montana expensive?

In Gallatin County, Montana, the median home is worth about $69,900, and the typical rent is about $342 a month.

How educated are people in Gallatin County, Montana?

About 33.8% of adults age 25 and over in Gallatin County, Montana hold a bachelor's degree or higher.

What is the poverty rate in Gallatin County, Montana?

About 17.1% of people in Gallatin County, Montana live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →