Gallatin County, Montana Population 2020

Gallatin County, Montana's estimated population is 118,316 with a growth rate of 2.80% in the past year according to the most recent United States census data. Gallatin County, Montana is the 3rd largest county in Montana.

Year Population Growth Growth Rate
2020118,3163,2202.80%
2019115,0963,2202.88%
2018111,8763,2202.96%
2017108,6563,9183.74%
2016104,7383,8723.84%
2015100,8663,3583.44%
201497,5082,7152.86%
201394,7932,2282.41%
201292,5651,2011.31%
201191,3641,7131.91%
201089,65139,18877.66%
199050,4637,59817.73%
198042,86510,36031.87%
197032,5056,46024.80%
196026,0454,14318.92%
195021,9023,63319.89%
194018,2692,14513.30%
193016,1242601.64%
192015,8641,78512.68%
191014,0794,52647.38%
19009,5533,30752.95%
18906,2462,60371.45%
18803,6432,065130.86%
18701,5780.00%

Gallatin County, Montana Population Growth

Population by Race

Race Population Percentage
White98,71394.26%
Two or More Races2,6082.49%
Asian1,4691.40%
American Indian and Alaska Native8990.86%
Some Other Race6770.65%
Black or African American3520.34%
Native Hawaiian and Other Pacific Islander110.01%

Gallatin County, Montana Population Pyramid 2020

Gallatin County, Montana Median Age

33.5


Total

32.6


Male

34.3


Female

Gallatin County, Montana Adults

There are 83,509 adults, (12,315 of whom are seniors) in Gallatin County, Montana.

Gallatin County, Montana Age Dependency

47.1

Age Dependency Ratio

17.3

Old Age Dependency Ratio

29.8

Child Dependency Ratio

Gallatin County, Montana Sex Ratio

Female

50,483

48.20%

Male

54,246

51.80%

Gallatin County, Montana Households and Families

Gallatin County, Montana Renter vs Owner Occupied by Household Type

Gallatin County, Montana Household Types

Type Owner Renter
Married82.2%17.8%
All61.3%38.7%
Male52.2%47.8%
Female51.9%48.1%
Non Family39.3%60.7%

61.3%

Rate of Home Ownership

Type Count Average Size Owned
All41,9852.461.3
Married20,3083.0682.2
Non Family17,6201.5439.3
Female2,4302.7551.9
Male1,6272.9552.2

2.94

Average Family Size

2.4

Average Household Size

7.5%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

Gallatin County, Montana Education

Education Attained Count Percentage
Less Than 9th Grade7721.16%
9th to 12th Grade1,4162.13%
High School Graduate12,49718.77%
Some College14,98522.51%
Associates Degree4,2676.41%
Bachelors Degree21,08131.66%
Graduate Degree11,56117.36%

Gallatin County, Montana Educational Attainment by Race

Name Total High School Bachelors
White62,32660,54830,974
Hispanic1,8951,605630
Asian966928557
Multiple Races843825334
Native American423360101
Other Race36028982
Black24124087
Islander55

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 57.66%.

Name Average Male Female
Overall$38,476$43,205$31,680
Less Than High School$22,639$32,197$
High School Grad$29,691$36,566$23,913
Some College$31,504$36,589$26,147
Bachelors Degree$42,531$52,073$35,729
Graduate Degree$57,639$66,036$52,093

$38,476

Average Earnings

$43,205

Average Male

$31,680

Average Female

Gallatin County, Montana Language

Gallatin County, Montana Language by Age

Gallatin County, Montana Language

95.87% of Gallatin County, Montana residents speak only English, while 4.13% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.62% of the population.

Gallatin County, Montana Poverty

Gallatin County, Montana Poverty by Race

Name Total In Poverty Poverty Rate
White92,91610,43511.23%
Hispanic3,63453714.78%
Multiple2,47238915.74%
Asian1,39932423.16%
Native85631636.92%
Black3209630.00%
Other672456.70%

11.89%

Overall Poverty Rate

11.84%

Male Poverty Rate

11.95%

Female Poverty Rate

Poverty in Gallatin County, Montana

The race most likely to be in poverty in Gallatin County, Montana is Native, with 36.92% below the poverty level.

The race least likely to be in poverty in Gallatin County, Montana is Other, with 6.70% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.87%. Among those working part-time, it was 23.72%, and for those that did not work, the poverty rate was 16.41%.

Name Poverty
Less Than High School17.03%
High School9.97%
Some College8.95%
Bachelors or Greater4.48%
Name Poverty
Male Unemployed36.15%
Female Unemployed19.85%
Female Employed11.01%
Male Employed9.41%

Gallatin County, Montana Income

Gallatin County, Montana Income by Household Type

Name Median Mean
Households$61,499$84,251
Families$83,108$107,801
Married Families$91,180$118,271
Non Families$37,124$48,755

Gallatin County, Montana Marital Status

Gallatin County, Montana Marital Status

Marriage Rates

49.1%

Overall Marriage Rate

47.0%

Male Marriage Rate

51.4%

Female Marriage Rate

Gallatin County, Montana Married by Age and Sex

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 45-54.

Gallatin County, Montana Marital Status by Race

Gallatin County, Montana Veterans

5,828

Number of Veterans

5,217

Male Veterans

611

Female Veterans

War Veterans
Vietnam1,989
Second Gulf War1,419
First Gulf War1,275
Korea362
World War II162
Age Group Veterans
65 to 741,484
35 to 541,390
75+1,148
18 to 34979
55 to 64827
Name Veterans % of Total
White5,5897.06%
2 or More19411.82%
Hispanic1786.85%
Indian458.56%

$Gallatin County, Montana Veterans by Education

5.14%

Veteran Poverty Rate

24.88%

Veteran Disability Rate

Gallatin County, Montana Employment Status

72.2%

Labor Force Participation

69.8%

Employment Rate

3.3%

Unemployment Rate

Gallatin County, Montana Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

41.55%

Born in Montana

96.60%

Native Born

3.40%

Foreign Born

1.98%

Non Citizen

Place of Birth

96.60% of Gallatin County, Montana residents were born in the United States, with 41.55% having been born in Montana. 1.98% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990