Yellowstone County, Montana Population 2022

Yellowstone County, Montana's estimated population is 165,113 with a growth rate of 0.78% in the past year according to the most recent United States census data. Yellowstone County, Montana is the 2nd largest county in Montana. The 2010 Population was 148,394 and has seen a growth of 11.27% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18902,0650.00%
19006,2124,147200.82%
191022,94416,732269.35%
192029,6006,65629.01%
193030,7851,1854.00%
194041,18210,39733.77%
195055,87514,69335.68%
196079,01623,14141.42%
197087,3678,35110.57%
1980108,03520,66823.66%
1990113,4195,3844.98%
2010148,39434,97530.84%
2011149,7721,3780.93%
2012151,6351,8631.24%
2013153,7752,1401.41%
2014155,2791,5040.98%
2015156,5291,2500.81%
2016157,9141,3850.88%
2017159,2661,3520.86%
2018160,0297630.48%
2019161,3001,2710.79%
2020162,5711,2710.79%
2021163,8421,2710.78%
2022165,1131,2710.78%
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Yellowstone County, Montana Population Growth

Population by Race

Race Population Percentage
White143,12289.23%
Black or African American1,4120.88%
American Indian and Alaska Native6,3723.97%
Asian1,1450.71%
Native Hawaiian and Other Pacific Islander900.06%
Some Other Race1,7461.09%
Two or More Races6,5034.05%
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Yellowstone County, Montana Population by Race

Yellowstone County, Montana Population Pyramid 2022

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Yellowstone County, Montana Median Age

38.7


Total

37.9


Male

39.7


Female

Yellowstone County, Montana Adults

There are 122,829 adults, (27,317 of whom are seniors) in Yellowstone County, Montana.

Yellowstone County, Montana Age Dependency

Age Dependency Ratio

28.6

Old Age Dependency Ratio

39.3

Child Dependency Ratio

Yellowstone County, Montana Sex Ratio

Female

81,262

50.67%

Male

79,128

49.33%

Yellowstone County, Montana Population by Age

Yellowstone County, Montana Renter vs Owner Occupied by Household Type

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Yellowstone County, Montana Household Types

Type Owner Renter
Married84.8%15.2%
All68.9%31.1%
Non Family54.2%45.8%
Male53.1%46.9%
Female53%47%

68.9%

Rate of Home Ownership

Yellowstone County, Montana Households and Families

Type Count Average Size Owned
All68,0472.3168.9
Married33,0382.9984.8
Male3,4883.0253.1
Female5,7582.8553
Non Family25,7631.2154.2

2.89

Average Family Size

2.31

Average Household Size

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Yellowstone County, Montana Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1,5571.42%
9th to 12th Grade4,1243.75%
High School Graduate32,17529.28%
Some College25,91623.58%
Associates Degree10,0479.14%
Bachelors Degree25,00222.75%
Graduate Degree11,07610.08%
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Yellowstone County, Montana Educational Attainment by Sex (over 25)

Yellowstone County, Montana Educational Attainment by Race

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Race Total High School Bachelors
Asian835787413
White98,64794,14533,457
2+ Races2,5742,499802
Other Race1,2861,146313
Black721671173
Hispanic4,3313,544770
Native American3,3773,062554
Islander62626

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 49.46%.

Yellowstone County, Montana Educational Attainment by Race

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Name Average Male Female
Overall$40,798$50,291$32,651
Less Than 9th Grade$23,408$28,415$20,445
High School Graduate$31,884$41,295$26,510
Some College$36,572$48,897$29,452
Bachelors Degree$51,336$61,904$42,297
Graduate Degree$64,161$82,675$56,000

$40,798

Average Earnings

$50,291

Average Male

$32,651

Average Female

Yellowstone County, Montana Earnings by Educational Attainment

Yellowstone County, Montana Language by Age

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Yellowstone County, Montana Language

96.28% of Yellowstone County, Montana residents speak only English, while 3.72% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.60% of the population.

Yellowstone County, Montana Language

Yellowstone County, Montana Poverty by Race

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Name Total In Poverty Poverty Rate
Asian1,13719617.24%
Native5,75598817.17%
Hispanic9,1791,28113.96%
Multiple6,43874111.51%
White134,70311,9538.87%
Black1,343594.39%
Islander8622.33%
Other277NaN%

9.60%

Overall Poverty Rate

8.93%

Male Poverty Rate

10.25%

Female Poverty Rate

Poverty in Yellowstone County, Montana

The race most likely to be in poverty in Yellowstone County, Montana is Asian, with 17.24% below the poverty level.

The race least likely to be in poverty in Yellowstone County, Montana is Other, with NaN% 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 12.74%, and for those that did not work, the poverty rate was 16.38%.

Yellowstone County, Montana Poverty

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Name Poverty
Less Than 9th Grade14.19%
High School12.65%
Some College7.94%
Bachelors or Greater3.89%

Yellowstone County, Montana Poverty Rate by Education

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Rate Poverty
Male Employed4.25%
Male Unemployed23.04%
Female Employed6.74%
Female Unemployed23.01%

Yellowstone County, Montana Poverty Rate by Employment Status and Sex

Yellowstone County, Montana Income by Household Type

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Name Median Mean
Households$62,630$86,860
Families$80,653$107,884
Married Families$93,990$123,295
Non Families$38,128$49,443
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Income by Household Type

Yellowstone County, Montana Marital Status

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Marriage Rates

52.9%

Overall Marriage Rate

53.9%

Male Marriage Rate

51.8%

Female Marriage Rate

Yellowstone County, Montana Married by Age and Sex

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Yellowstone County, Montana Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Yellowstone County, Montana Marital Status by Race

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Yellowstone County, Montana Marital Status

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12,232

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War2,211
First Gulf War2,612
Vietnam4,375
Korea903
World War II441

Yellowstone County, Montana Veterans by War

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Age Group Veterans
18 to 341,380
35 to 542,844
55 to 642,066
65 to 743,149
75+2,793

Yellowstone County, Montana Veterans by Age

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Name Veterans % of Total
White11,38710.18%
Black9811.89%
Native American43310.81%
Asian192.12%
Other Race574.18%
2+ Races2386.45%
Hispanic3496.36%

Yellowstone County, Montana Veterans by Race

Yellowstone County, Montana Veterans by Education

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6.91%

Veteran Poverty Rate

30.39%

Veteran Disability Rate

Yellowstone County, Montana Veterans by Education

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66.7%

Labor Force Participation

64.3%

Employment Rate

3.4%

Unemployment Rate

Yellowstone County, Montana Employment by Age

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Yellowstone County, Montana Employment by Race

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Yellowstone County, Montana Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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58.28%

Born in Yellowstone County, Montana

98.06%

Native Born

1.94%

Foreign Born

0.83%

Non Citizen

1.11%

Naturalized

Place of Birth

98.06% of Yellowstone County, Montana residents were born in the United States, with 58.28% having been born in Montana. 0.83% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Yellowstone County, Montana Place of Birth

  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

Sources