Gallatin County, Montana Population and Demographics

In this article, we'll explore the population statistics for Gallatin County, Montana, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

We are using the latest American Community Survey (ACS) 5-Year survey data from the US Census Bureau, which is accurate up to 2021.

Table of Contents

Population

There is a lot of data that lets us see how many people live in Gallatin County, Montana. The most basic data is the total population, which is the total number of people living in Gallatin County, Montana. The estimated population of Gallatin County, Montana is 116,725 people, with a median age of 33.7.

We can look at the total population in Gallatin County over the last 5 years to see how much it has changed.

Year Population Change 5-Year Change
2021
116,725
+4.78%
+15.88%
2020
111,401
+3.09%
-
2019
108,063
+3.18%
-
2018
104,729
+3.97%
-
2017
100,733
 - -

Population of Gallatin County, Montana by Race and Ethnicity

We can also look at how the population has changed over the last 5 years by each of the race/ethnicity types as defined by the US Census Bureau.

Race 2021 2017 Change
White
90.4%
92.3%
 -2.06%
Black/African American
0.4%
0.3%
 +33.33%
Native
0.7%
0.9%
 -22.22%
Hispanic
4.1%
3.3%
 +24.24%
Asian
1.3%
1.3%
 0.00%
Hawaiian/Pacific Islander
0%
0%
 0.00%
Two Or More Races
2.8%
1.9%
 +47.37%
Other
0.3%
0%
 0.00%

This data can be very important for a number of reasons, including social and economic research, planning and development, and marketing to a multi-cultural population.

Note that the Native group includes both Native American and Alaskan Native people.

Population of Gallatin County, Montana by Age and Gender

The age and gender of a population is another interesting demographic statistic because it lets us track trends in the population over time. For example, we can see how the population has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 33.7 +0.9% 33.2 +2.47% 34.1 0%
2020 33.4 0% 32.4 -0.61% 34.1 -0.29%
2019 33.4 -0.3% 32.6 0% 34.2 -0.29%
2018 33.5 +0.3% 32.6 -0.31% 34.3 +0.59%
2017 33.4 - 32.7 - 34.1 -

The median age of Gallatin County, Montana gives you an idea of the age distribution, with half of the population being older than the median age and half being younger.

This can then be used to infer and compare against birth rates, parent ages, and more metrics to understand the population. For example, an increasing median age indicates an aging population, which can be a sign of a declining population in terms of birth rates and workforce participation.

Age 2021 2017
(Years) Male Female Male Female
0 to 9 5,858 +7.8% 5,910 +8.96% 6,301 6,453
10 to 19 6,692 +12.39% 6,028 +16.82% 7,557 7,097
20 to 29 11,282 +18.09% 9,382 +14.73% 13,459 10,841
30 to 39 7,714 +12.84% 7,332 +14.3% 8,733 8,438
40 to 49 6,242 +25.9% 5,283 +18.58% 8,014 6,332
50 to 59 5,957 +4.37% 5,926 +3.1% 6,206 6,109
60 to 69 4,880 +20.54% 4,995 +13.91% 5,952 5,719
70+ 3,432 +28.16% 3,820 +28.19% 4,501 5,013

Median Household Income

The latest median household income of Gallatin County, Montana is $76,208.00.

In simple terms, the median income is the middle income of a group of people. Half of the people in the group make more than the median income, and half make less. The median income is a good indicator of the overall income of a group of people, and can be used to compare against other metrics such as the average income, per capita income, and more.

Median Income by Age

We can also look at the median income by age to see how the median income varies by age, and how it compares to the overall median income for Gallatin County.

  • Under 25
    $30,836.00
  • 25 to 44
    $84,219.00
  • 45 to 64
    $94,317.00
  • 65 and over
    $61,604.00

Average Household Income

Whenever we ask what is the average household income in Gallatin County, we are actually talking about the mean household income.

This is calculated by adding up all the incomes of all the households in Gallatin County, and then dividing that number by the total number of households. This is a good way to get a general idea of the average income of a group of people, but it can be skewed by a very high or very low incomes.

The average household income of Gallatin County, Montana is currently $104,611.00.

In terms of accurately summarizing income at a geographic level, the median income is a better metric than the average income because it isn't affected by a small number of very high or very low incomes.

If you had an area where the average income was greater than the median, it can mean that there is significant income inequality, with income being concentrated in a small number of wealthy households.

9.72% of households in Gallatin County are classed as high income households (making $200,000+ per year).

Household Income Tiers

The US Census Bureau divides households into income tiers based on the median income for the area. This is a good way to compare the income of Gallatin County against other areas.

  • Less than $24,999
    13.49%
  • $25,000 to $49,999
    17.23%
  • $50,000 to $74,999
    18.60%
  • $75,000 to $99,999
    14.45%
  • $100,000 to $149,999
    17.67%
  • $150,000 to $199,999
    8.84%
  • $200,000 or more
    9.72%

Per Capita Income

The per capita income in Gallatin County is $42,219.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of Gallatin County by the total population of Gallatin County.

This is different from the average or mean income because it includes and accounts for all people in Gallatin County, Montana, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in Gallatin County to see how many people have a high school degree, a bachelor's degree, or a graduate degree.

Educational attainment is a good indicator of the overall education level of a population, and can be used to compare against other metrics such as the average income, per capita income, and more to see how education levels affect income, unemployment rates, and more.

  • Master's degree or higher
    18.03%
  • Bachelor's degree
    49.30%
  • Some college or associate's degree
    8.32%
  • High school diploma or equivalent
    23.37%
  • Less than high school diploma
    0.97%

Employment

Employment rates are all based around the total population in Gallatin County that are over the age of 16.

The total population of Gallatin County over the age of 16 is 96,337.

Of those people, a total of 71.20% are working or actively looking for work. This is called the labor force participation rate.

The participation rate is a useful market measure because it shows the relative amount of labor resources available to the economy.

The employment to total population rate in Gallatin County is 69.60%.

Employment by Age

We can look at the employment rates by age to see how it compares to the overall employment rate.

Age Population Participation Unemployment Rate
16 to 19 years 7,020 43.30% 13.70%
20 to 24 years 14,172 76.70% 2.80%
25 to 29 years 10,128 88.90% 2.10%
30 to 34 years 8,807 89.90% 1.00%
35 to 44 years 16,108 87.30% 1.40%
45 to 54 years 12,485 87.70% 1.00%
55 to 59 years 6,432 81.80% 1.20%
60 to 64 years 6,415 65.40% 0.90%
65 to 74 years 9,695 31.00% 1.10%
75 years and over 5,075 5.30% 1.90%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Gallatin County. The table below shows the rates for each of the ethnicity groups types defined by the US Census Bureau.

Age Population Participation Unemployment Rate
White 89,421 70.80% 2.10%
Black or African American 342 75.40% 1.20%
American Indian and Alaska Native 679 70.10% 13.40%
Asian 1,408 77.10% 1.00%
Native Hawaiian and Other Pacific Islander 4 0.00% 0.00%
Other 1,085 88.30% 0.70%
Two or more races 3,398 74.20% 1.20%
Hispanic or Latino 3,523 80.30% 5.00%
Not Hispanic or Latino 87,785 70.60% 1.90%

Occupations

In this section we can look at the most common occupations in Gallatin County as well as the gender breakdown and earnings of them.

The total population of civilian employees that are 16 years old or older in Gallatin County is 67,088, with median earnings of $38,553.00.

Women in Gallatin County, Montana earning approximately 68.90% of the men's earnings.

Population Earnings
Total 67,088 $38,553.00
Male 37,197 $45,872.00
Female 29,891 $31,615.00

Occupations by Category

In the table below, we can break down the population and earnings even further by occupation. The list of occupation categories below will show you how many people are employed in each category and the median earnings of each profession.

Occupation Employed Earnings
Management 9,539 $66,746.00
Business and Financial 3,020 $60,239.00
Computer and Mathematical 1,938 $55,952.00
Architecture and Engineering 1,767 $64,239.00
Life, Physical, and Social Science 1,741 $56,322.00
Community and Social Service 936 $35,979.00
Legal 623 $62,644.00
Educational and Library 4,290 $35,884.00
Arts, Design, Entertainment, Sports, and Media 2,292 $33,214.00
Healthcare Practitioners 3,062 $56,245.00
Healthcare Support 1,636 $20,317.00
Firefighters and Protective Service 594 $36,461.00
Law Enforcement 207 $53,781.00
Food Preparation and Serving 4,816 $15,804.00
Building and Grounds Cleaning 1,978 $20,360.00
Personal Care and Service 2,010 $16,992.00
Sales 6,639 $39,210.00
Office and Administrative Support 5,834 $29,160.00
Farming, Fishing, and Forestry 699 $33,125.00
Construction and Extraction 4,882 $43,562.00
Installation, Maintenance, and Repair 1,742 $43,125.00
Production 3,334 $37,564.00
Transportation and Material Moving 1,733 $41,169.00

Occupations by Gender

The table below shows the same occupations from the list above, but we have split them by male and female to see how many male and females work in each occupation, the median earnings, and the male to female ratio of earnings.

That last metric is important because it can be used to look at the gender pay gap between men and women.

Occupation Male Female
Population Earnings Population Earnings
Management 5,901 $81,721.00 3,638 $48,813.00
Business and Financial 1,431 $73,125.00 1,589 $45,383.00
Computer and Mathematical 1,331 $77,716.00 607 $38,438.00
Architecture and Engineering 1,510 $64,421.00 257 $63,946.00
Life, Physical, and Social Science 890 $59,861.00 851 $49,911.00
Community and Social Service 375 $43,994.00 561 $35,271.00
Legal 288 $88,000.00 335 $52,274.00
Educational and Library 1,672 $55,227.00 2,618 $31,818.00
Arts, Design, Entertainment, Sports, and Media 1,372 $37,969.00 920 $31,037.00
Healthcare Practitioners 819 $84,250.00 2,243 $51,662.00
Healthcare Support 196 $27,212.00 1,440 $19,253.00
Firefighters and Protective Service 474 $36,866.00 120 $31,071.00
Law Enforcement 164 $54,318.00 43 $53,125.00
Food Preparation and Serving 2,282 $16,659.00 2,534 $14,873.00
Building and Grounds Cleaning 1,314 $25,289.00 664 $16,333.00
Personal Care and Service 586 $18,846.00 1,424 $16,695.00
Sales 3,502 $51,481.00 3,137 $32,381.00
Office and Administrative Support 1,280 $27,462.00 4,554 $29,381.00
Farming, Fishing, and Forestry 555 $36,563.00 144 $24,625.00
Construction and Extraction 4,607 $44,449.00 275 $27,472.00
Installation, Maintenance, and Repair 1,565 $43,970.00 177 $15,341.00
Production 2,287 $40,848.00 1,047 $30,422.00
Transportation and Material Moving 1,354 $44,093.00 379 $36,208.00

Households and Family Size

A household defined bu the US Census Bureau is a group of people who occupy a housing unit. A housing unit is a house, apartment, mobile home, group of rooms, or single room occupied as separate living quarters.

There are currently 46,378 households in Gallatin County, with an average household size of 2.42 people.

A family is defined as a group of two or more people related by birth, marriage, or adoption who live together in the same household.

There are 26,912 families in Gallatin County with an average family size of 2.94 people.

Households by Marital Status

The four categories of household by marital status are:

  • Married-couple family
  • Male householder with no spouse present
  • Female household with no spouse present
  • Nonfamily household

The table below shows the total number of households and families, with the average sizes of each.

Married Male Female Nonfamily
Total Households 22,610 1,517 2,785 19,466
Average Household Size 2.99 2.73 3.32 1.6
Total Families 22,610 1,517 2,785 0
Average Household Size 2.97 2.42 3.03 0

Poverty

Of the 26,912 families in Gallatin County, 4.00% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Gallatin County:

Household Size Poverty Threshold
1 Person $14,580.00
2 People $19,720.00
3 People $24,860.00
4 People $30,000.00
5 People $35,140.00
6 People $40,280.00
7 People $45,420.00
8 People $50,560.00

Housing

There are 51,826 housing units in Gallatin County, Montana.

The table below shows the split between occupied and vacant units:

Total Percentage
Occupied 46,378 89.49%
Vacant 5,448 10.51%

32.36% of the total 51,826 housing units in Gallatin County are rental units. This is approximately 16,771 properties.

For owner-occupied housing units, a total of 28,914 are occupied by the owner - or 55.79% of the total.

Rental Rates

The median rent for a property in Gallatin County is $1,212.00.

In the chart below, we can look at the number of rental properties in Gallatin County that fall into a particular rent range. These can then be used to compare with other areas, or to see how they have changed over time.

  • No rent paid
    693
  • Less than $500
    518
  • $500 to $999
    5,128
  • $1,000 to $1,499
    5,904
  • $1,500 to $1,999
    3,361
  • $2,000 to $2,499
    1,439
  • $2,500 to $2,999
    159
  • $3,000 or more
    262

Property Value

The median value of a property in Gallatin County is $435,400.00.

Just like with rental rates, we can look at the number of properties in Gallatin County that fall into a particular value range.

  • Less than $50,000
    842
  • $50,000 to $99,999
    651
  • $100,000 to $149,999
    668
  • $150,000 to $199,999
    988
  • $200,000 to $299,999
    3,978
  • $300,000 to $499,999
    10,136
  • $500,000 to $999,999
    8,940
  • $1,000,000 or more
    2,711

Property Age

We can also look at the age of properties in Gallatin County. The chart below shows the number of properties in Gallatin County that fall into a particular age range.

  • 1939 or earlier
    3,619
  • 1940 to 1949
    850
  • 1950 to 1959
    2,078
  • 1960 to 1969
    2,145
  • 1970 to 1979
    7,213
  • 1980 to 1989
    5,647
  • 1990 to 1999
    9,223
  • 2000 to 2009
    12,207
  • 2010 to 2013
    8,689
  • 2014 or later
    155

Vehicles per Household

The number of vehicles available per household can be a good indicator of the level of affluence in an area. The chart below shows the number of households in Gallatin County that have a particular number of vehicles available.

  • No vehicles available
    1,126
  • 1 vehicle available
    12,178
  • 2 vehicles available
    18,692
  • 3 or more vehicles available
    14,382

Commuting to Work

In this section, we can also look at how people in Gallatin County get to work. The chart below shows the number of people in Gallatin County that commute to work in a particular way.

18.3 minutes is the average travel time to work for people in Gallatin County.

These commute times can be compared to other date like income and educational levels to see how they relate to each other and if there are any trends in the data that might suggest a correlation.

  • Less than 5 minutes
    3,355
  • 5 to 9 minutes
    10,482
  • 10 to 14 minutes
    11,796
  • 15 to 19 minutes
    12,586
  • 20 to 24 minutes
    8,137
  • 25 to 29 minutes
    2,724
  • 30 to 34 minutes
    3,504
  • 35 to 39 minutes
    446
  • 40 to 44 minutes
    375
  • 45 to 59 minutes
    1,336
  • 60 to 89 minutes
    1,454
  • 90 or more minutes
    1,302

Summary

We've covered a LOT of demographic and population data for Gallatin County, Montana in this article! Hopefully you have found it very useful in your research of the area.

If you use any of the data found on this page, please consider linking back to USPopulation.org as the source and if you have any feedback or data requests, click here to contact us.

Places in Gallatin County, Montana

We have data for 27 places in Gallatin County, Montana. Click on a place below to see more information about the demographics of that place.