About Yellowstone County
Yellowstone County is a city located in United States, in the Montana region. According to the latest available data (2026), the population of Yellowstone County is approximately 164,731 residents, making it the #493 most populous city in United States.
Globally, Yellowstone County ranks #10,359 among the world's most populated cities.
Yellowstone County City Statistics
| City | Yellowstone County |
| Country |  United States |
| Population | 164,731 |
| Global Rank | #10,359 |
| Rank in United States | #493 of 867 cities |
| City Category | city |
| Region | Montana |
| Latitude | 45.94 |
| Longitude | -108.27 |
| Data Year | 2026 |
Where is Yellowstone County Located?
Yellowstone County is located in United States, in the Montana region, at coordinates 45.94° latitude and -108.27° longitude. Located in the mid-latitudes, Yellowstone County experiences distinct four-season weather patterns.
Nearby Cities
Other Cities in United States
Largest Cities in United States
| # | City | Population |
|---|---|---|
| 1 | Harris County | 4,731,145 |
| 2 | Los Angeles | 3,898,747 |
| 3 | San Diego County | 3,298,634 |
| 4 | Brooklyn | 2,736,074 |
| 5 | Miami-Dade County | 2,701,767 |
Frequently Asked Questions
What is the population of Yellowstone County?
The population of Yellowstone County is approximately 164,731 residents according to the latest available data (2026).
Where is Yellowstone County located?
Yellowstone County is located in United States at approximately 45.94° latitude and -108.27° longitude.
Is Yellowstone County one of the largest cities in United States?
With a population of 164,731, Yellowstone County is one of the notable urban areas in United States. It ranks #493 out of 867 cities in the country.
