Yellowstone   County MT United States

County FIPS 30111
Largest City Billings
State Montana
Latitude 45.9373
Longitude -108.2744
Population 168,957
Density 64.17 people per square mile
Time Zone America/Denver
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $76,570
Median individual: $41,306

Race

Mode: 85.6% White

Gender

 50.4% female 

Rent

  $1131 / month  

Median house value: $347,850.0

Age

Median: 39.0 years old

Education

With at least college degree: 34.1%
With STEM degree: 41.3%

Marital Status

 50.0% married 

Never married: 29.9%

Labor Force Participation

 66.1% working 

Unemployed: 3.4%

Average Family Size

 3.00 people 

Commute Time

 18.6 minutes 

Health Care

 7.7% uninsured 

Poverty

 9.2%

All data comes from the SimpleMaps US Counties Database, 2026.

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