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 |
Median household: $76,570
Median individual: $41,306
Mode: 85.6% White
Median house value: $347,850.0
Median: 39.0 years old
With at least college degree: 34.1%
With STEM degree: 41.3%
Never married: 29.9%
Unemployed: 3.4%
All data comes from the SimpleMaps US Counties Database, 2026.
Home (Maps) | Database License | Privacy | Database Releases | Database Order Lookup | Resources | Contact | FAQs
SimpleMaps.com is a product of Pareto Software, LLC. © 2010-2026.