Gallatin County, Montana Population 2023

127,795

Gallatin County, Montana's estimated 2023 population is 127,795 with a growth rate of 2.36% 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 89,513 and has seen a growth of 42.77% since that time.

Note: data after 2021 is projected based on recent change

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

2023 Growth Rate
2.36% (2,945)
County Website
Gallatin County
State
Montana
Founded
1865
County Seat
Bozeman
2010 Population
89,513
Growth Since 2010
42.77% (38,282)

Gallatin County, Montana Population 2023

Population by Race

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

White

Two or more races

Asian

Other race

Native American

Black or African American

Native Hawaiian or Pacific Islander

Gallatin County, Montana Population by Race

Gallatin County, Montana Population Pyramid 2023

Gallatin County, Montana Median Age

33.7

Total

33.2

Male

34.1

Female

Gallatin County, Montana Adults

There are 93,617 adults, (14,770 of whom are seniors) in Gallatin County, Montana.

Gallatin County, Montana Age Dependency

48

Age Dependency Ratio

18.7

Old Age Dependency Ratio

29.3

Child Dependency Ratio

Gallatin County, Montana Sex Ratio

Female56,00247.98%
Male60,72352.02%

Gallatin County, Montana Population by Age

Gallatin County, Montana Renter vs Owner Occupied by Household Type

2.94

Average Family Size

2.42

Average Household Size

62.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Gallatin County, Montana Households and Families

Male

Female

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

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

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 50.99%.

Gallatin County, Montana Educational Attainment by Race

All

Male

Female

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

$43,561

Average Earnings

$53,536

Average Male

$35,956

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

95.96% of Gallatin County, Montana residents speak only English, while 4.04% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.72% of the population.

Gallatin County, Montana Language

Gallatin County, Montana Poverty by Race

rate

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

10.39%

Overall Poverty Rate

9.72%

Male Poverty Rate

11.12%

Female Poverty Rate

Poverty in Gallatin County, Montana

The race most likely to be in poverty in Gallatin County, Montana is Black, with 42.69% below the poverty level.

The race least likely to be in poverty in Gallatin County, Montana is Other, with 9.23% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.86%. Among those working part-time, it was 20.14%, and for those that did not work, the poverty rate was 14.96%.

Gallatin County, Montana Poverty

rate

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Gallatin County, Montana Poverty Rate by Education

rate

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Gallatin County, Montana Poverty Rate by Employment Status and Sex

Gallatin County, Montana Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

mean

median

Income by Household Type

Gallatin County, Montana Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

49.2%

Overall Marriage Rate

47.3%

Male Marriage Rate

51.3%

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

5,868

Number of Veterans

5,466

Male Veterans

402

Female Veterans

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Gallatin County, Montana Veterans by War

count

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Gallatin County, Montana Veterans by Age

count

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Gallatin County, Montana Veterans by Race

Gallatin County, Montana Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.72%

Veteran Poverty Rate

23.75%

Veteran Disability Rate

Gallatin County, Montana Veterans by Education

LaborForceParticipation

71.2%

Labor Force Participation

69.6%

Employment Rate

2.1%

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

36.63%

Born in Gallatin County, Montana

92.45%

Native Born

3.3%

Foreign Born

1.63%

Non Citizen

1.67%

Naturalized

Place of Birth

92.45% of Gallatin County, Montana residents were born in the United States, with 36.63% having been born in Montana. 1.63% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Gallatin County, Montana Place of Birth

Sources