Gallatin County, Montana Population 2024

127,880

Gallatin County, Montana's estimated 2024 population is 127,880 with a growth rate of 1.16% in the past year according to the most recent United States census data. Gallatin County, Montana is the 2nd largest county in Montana. The 2010 population was 89,662 and has seen a growth of 42.62% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029135,2351,4711.1%
2028133,7641,4711.11%
2027132,2931,4711.12%
2026130,8221,4711.14%
2025129,3511,4711.15%
2024127,8801,4711.16%
2023126,4091,4711.18%
2022124,9381,8401.49%
2021123,0983,5012.93%
2020119,5975,1254.48%
2019114,4722,5942.32%
2018111,8783,0282.78%
2017108,8503,8513.67%
2016104,9993,9563.92%
2015101,0433,4143.5%
201497,6292,7442.89%
201394,8852,2582.44%
201292,6271,2141.33%
201191,4131,7511.95%
201089,66200%
199050,4637,59817.73%
198042,86510,36031.87%
197032,5056,46024.8%
196026,0454,14318.92%
195021,9023,63319.89%
194018,2692,14513.3%
193016,1242601.64%
192015,8641,78512.68%
191014,0794,52647.38%
19009,5533,30752.95%
18906,2462,60371.45%
18803,6432,065130.86%
18701,578-133,657-98.83%
2024 Growth Rate
1.16% (1,471)
County Website
Gallatin County
State
Montana
County Seat
Bozeman
2020 Population
119,597
Area
2605 mi²
Density
49 people/mi²
Growth Since 2020
6.93% (8,283)
Founded
1865

Population by Race

Race
Population
Percentage (of total)
White109,56789.67%
Two or more races7,0665.78%
Other race2,4832.03%
Asian1,5631.28%
Native American9200.75%
Black or African American5930.49%
Native Hawaiian or Pacific Islander20%

White

Two or more races

Other race

Asian

Native American

Black or African American

Native Hawaiian or Pacific Islander

Gallatin County, Montana Population by Race

Gallatin County, Montana Population Pyramid 2024

Gallatin County, Montana Median Age

33.8

Total

32.9

Male

34.8

Female

Gallatin County, Montana Adults

There are 98,695 adults, (16,230 of whom are seniors) in Gallatin County, Montana.

Gallatin County, Montana Age Dependency

48.2

Age Dependency Ratio

19.7

Old Age Dependency Ratio

28.5

Child Dependency Ratio

Gallatin County, Montana Sex Ratio

Female58,23947.66%
Male63,95552.34%

Gallatin County, Montana Population by Age

Gallatin County, Montana Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All50,0312.3561.538.5
Married23,8412.9479.420.6
Non Family21,7831.5643.456.6
Female2,9793.1851.548.5
Male1,4282.6960.939.1

2.89

Average Family Size

2.35

Average Household Size

61.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Gallatin County, Montana Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1,4391.82%
Associates Degree5,3876.8%
Bachelors Degree26,31733.24%
Graduate Degree15,75319.9%
High School Graduate14,38818.17%
Less Than 9th Grade8061.02%
Some College15,07519.04%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Gallatin County, Montana Educational Attainment by Sex (over 25)

Gallatin County, Montana Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White70,97669,34038,684
2+ Races3,9343,6431,692
Hispanic3,5053,062958
Other Race1,5721,421418
Asian1,027975698
Native American541459134
Black23421460

The highest rate of high school graduation is among white people with a rate of 97.69%.

The highest rate of bachelors degrees is among asian people with a rate of 67.96%.

Gallatin County, Montana Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$59,654$71,016$44,007
Graduate Degree$71,123$86,484$59,056
High School Graduate$45,753$55,512$29,806
Less Than 9th Grade$33,099$40,983$16,067
Overall$53,658$64,041$41,511
Some College$47,083$55,986$37,120

$53,658

Average Earnings

$64,041

Average Male

$41,511

Average Female

Gallatin County, Montana Earnings by Educational Attainment

Gallatin County, Montana Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Gallatin County, Montana Language

94.66% of Gallatin County, Montana residents speak only English, while 5.34% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.95% of the population.

Gallatin County, Montana Language

Gallatin County, Montana Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White103,91810,47410.08%
Hispanic6,08169811.48%
Multiple6,8545808.46%
Other2,46037315.16%
Asian1,53023915.62%
Black53312222.89%
Native837333.94%

10.21%

Overall Poverty Rate

9.62%

Male Poverty Rate

10.86%

Female Poverty Rate

Poverty in Gallatin County, Montana

The race most likely to be in poverty in Gallatin County, Montana is Black, with 22.89% below the poverty level.

The race least likely to be in poverty in Gallatin County, Montana is Native, with 3.94% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.49%. Among those working part-time, it was 19.54%, and for those that did not work, the poverty rate was 15.74%.

Gallatin County, Montana Poverty

rate

Rate
Poverty
Less Than 9th Grade17.39%
High School7.73%
Some College5.87%
Bachelors or Greater3.73%

Gallatin County, Montana Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed47.15%
Female Unemployed22.22%
Female Employed10.42%
Male Employed6.11%

Gallatin County, Montana Poverty Rate by Employment Status and Sex

Gallatin County, Montana Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$111,714$152,110
Households$87,454$124,551
Married Families$122,666$165,959
Non Families$60,156$84,071

mean

median

Income by Household Type

Gallatin County, Montana Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

48.9%

Overall Marriage Rate

47.3%

Male Marriage Rate

50.6%

Female Marriage Rate

Gallatin County, Montana Married by Age and Sex

male

female

Gallatin County, Montana Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Gallatin County, Montana Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Gallatin County, Montana Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

5,353

Number of Veterans

4,918

Male Veterans

435

Female Veterans

War
Veterans
Vietnam1,832
Second Gulf War1,821
First Gulf War1,119
Korea187
World War II54

Gallatin County, Montana Veterans by War

count

Age Group
Veterans
35 to 541,351
65 to 741,346
75+1,069
18 to 34856
55 to 64731

Gallatin County, Montana Veterans by Age

count

Name
Veterans
% of Total
White5,0825.69%
2+ Races1442.94%
Hispanic1212.72%
Black4010.81%
Native American384.56%
Other Race331.75%
Asian161.19%

Gallatin County, Montana Veterans by Race

Gallatin County, Montana Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.3%

Veteran Poverty Rate

26.55%

Veteran Disability Rate

Gallatin County, Montana Veterans by Education

LaborForceParticipation

71%

Labor Force Participation

69.3%

Employment Rate

2.3%

Unemployment Rate

Gallatin County, Montana Employment by Age

LaborForceParticipation

Gallatin County, Montana Employment by Race

LaborForceParticipation

Gallatin County, Montana Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

37.17%

Born in Gallatin County, Montana

95.94%

Native Born

4.06%

Foreign Born

2.03%

Non Citizen

2.03%

Naturalized

Place of Birth

95.94% of Gallatin County, Montana residents were born in the United States, with 37.17% having been born in Montana. 2.03% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Gallatin County, Montana Place of Birth

Sources