Yellowstone County, Montana Population 2019

Yellowstone County, Montana's estimated population is 159,229 with a growth rate of 0.84% in the past year according to the most recent United States census data. Yellowstone County, Montana is the largest county in Montana.

Year Population Growth Growth Rate
2018160,1379080.57%
2017159,2291,3260.84%
2016157,9031,3690.87%
2015156,5341,2590.81%
2014155,2751,5040.98%
2013153,7712,1491.42%
2012151,6221,8741.25%
2011149,7481,3600.92%
2010148,38834,96930.83%
1990113,4195,3844.98%
1980108,03520,66823.66%
197087,3678,35110.57%
196079,01623,14141.42%
195055,87514,69335.68%
194041,18210,39733.77%
193030,7851,1854.00%
192029,6006,65629.01%
191022,94416,732269.35%
19006,2124,147200.82%
18902,0650.00%

How Many People Live in Yellowstone County, Montana?

159,229

Population by Race

Race Population Percentage
White142,08790.89%
American Indian and Alaska Native6,6554.26%
Two or More Races4,3142.76%
Black or African American1,1130.71%
Some Other Race1,0560.68%
Asian9600.61%
Native Hawaiian and Other Pacific Islander1470.09%

Yellowstone County, Montana Population Pyramid 2019

Yellowstone County, Montana Median Age

38.3


Total

37.1


Male

39.4


Female

Yellowstone County, Montana Adults

There are 119,414 adults, (24,533 of whom are seniors) in Yellowstone County, Montana.

Yellowstone County, Montana Age Dependency

64.8

Age Dependency Ratio

25.9

Old Age Dependency Ratio

38.9

Child Dependency Ratio

Yellowstone County, Montana Sex Ratio

Female

79,464

50.83%

Male

76,868

49.17%

Yellowstone County, Montana Households and Families

Yellowstone County, Montana Renter vs Owner Occupied by Household Type

Yellowstone County, Montana Household Types

Type Owner Renter
Married83.9%16.1%
All68%32%
Male61.2%38.8%
Non Family52.3%47.7%
Female49.5%50.5%

68.0%

Rate of Home Ownership

Type Count Average Size Owned
All64,0202.3968
Married31,4513.0583.9
Non Family23,7641.2852.3
Female5,6543.0449.5
Male3,1512.9461.2

2.95

Average Family Size

2.39

Average Household Size

6.8%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Yellowstone County, Montana Education

Education Attained Count Percentage
Less Than 9th Grade2,0241.90%
9th to 12th Grade5,4815.15%
High School Graduate32,36030.40%
Some College25,48423.94%
Associates Degree8,9258.39%
Bachelors Degree22,32420.98%
Graduate Degree9,8339.24%

Yellowstone County, Montana Educational Attainment by Race

Name Total High School Bachelors
White96,41790,65530,339
Hispanic3,9022,999456
Native American3,4532,947593
Multiple Races1,5761,479397
Black657546143
Asian646519256
Other Race626482153
Islander9978

The highest rate of high school graduation is among white people with a rate of 94.02%.

The highest rate of bachelors degrees is among asian people with a rate of 39.63%.

Name Average Male Female
Overall$36,299$45,320$28,479
Less Than High School$24,404$31,309$16,934
High School Grad$30,358$40,120$21,480
Some College$34,306$43,910$27,355
Bachelors Degree$45,301$56,375$36,613
Graduate Degree$54,304$65,947$50,741

$36,299

Average Earnings

$45,320

Average Male

$28,479

Average Female

Yellowstone County, Montana Language

Yellowstone County, Montana Language by Age

Yellowstone County, Montana Language

96.48% of Yellowstone County, Montana residents speak only English, while 3.52% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.45% of the population.

Yellowstone County, Montana Poverty

Yellowstone County, Montana Poverty by Race

Name Total In Poverty Poverty Rate
White132,69811,9879.03%
Native6,2081,68727.17%
Hispanic8,0841,10713.69%
Multiple4,22184920.11%
Black1,04412111.59%
Other926525.62%
Asian940262.77%

10.14%

Overall Poverty Rate

8.76%

Male Poverty Rate

11.48%

Female Poverty Rate

Poverty in Yellowstone County, Montana

The race most likely to be in poverty in Yellowstone County, Montana is Native, with 27.17% below the poverty level.

The race least likely to be in poverty in Yellowstone County, Montana is Asian, with 2.77% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.31%. Among those working part-time, it was 14.20%, and for those that did not work, the poverty rate was 17.29%.

Name Poverty
Less Than High School13.18%
High School11.94%
Some College8.60%
Bachelors or Greater3.66%
Name Poverty
Female Unemployed31.56%
Male Unemployed17.98%
Female Employed7.20%
Male Employed4.40%

Yellowstone County, Montana Income

Yellowstone County, Montana Income by Household Type

Name Median Mean
Households$57,955$78,139
Families$72,370$94,544
Married Families$81,940$106,230
Non Families$33,958$47,469

Yellowstone County, Montana Marital Status

Yellowstone County, Montana Marital Status

Marriage Rates

52.3%

Overall Marriage Rate

53.4%

Male Marriage Rate

51.2%

Female Marriage Rate

Yellowstone County, Montana Married by Age and Sex

Yellowstone County, Montana Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

Yellowstone County, Montana Marital Status by Race

Yellowstone County, Montana Veterans

11,927

Number of Veterans

11,109

Male Veterans

818

Female Veterans

War Veterans
Vietnam4,483
First Gulf War2,527
Second Gulf War1,661
Korea953
World War II689
Age Group Veterans
65 to 743,023
35 to 542,956
75+2,570
55 to 642,486
18 to 34892

Yellowstone County, Montana Veterans by Race

Name Veterans % of Total
White11,23010.16%
Indian3708.83%
Hispanic3046.14%
2 or More1748.14%
Other6710.14%
Black617.88%
Asian253.30%

Yellowstone County, Montana Veterans by Education

6.60%

Veteran Poverty Rate

28.81%

Veteran Disability Rate

Yellowstone County, Montana Employment Status

67.8%

Labor Force Participation

65.2%

Employment Rate

3.5%

Unemployment Rate

Yellowstone 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

57.15%

Born in Montana

97.88%

Native Born

2.12%

Foreign Born

0.99%

Non Citizen

Place of Birth

97.88% of Yellowstone County, Montana residents were born in the United States, with 57.15% having been born in Montana. 0.99% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Population of Cities in Yellowstone County, Montana

City 2010 Census 2016 Estimated Growth Growth Rate
Billings10428911032360345.79%
Laurel671968651462.17%
Broadview19219310.52%
  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