Yellowstone County, Montana
Yellowstone County: county in Montana, United States of America
About
Yellowstone County is a county located in the U.S. state of Montana. As of the 2010 census, the population was 147,972 and a population density of 22 people per km². After 10 years in 2020 county had an estimated population of 162,990 inhabitants. Its county seat is Billings. The county was created 133 years ago in 1892.
County Snapshot
Yellowstone County at a glance
Yellowstone County currently has 4 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
4
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Montana counties
56
Open related pagesLargest city
BillingsPopulation 117,445
Top linked places
Quick Facts about Yellowstone County
| Population | 162,990 (2020) |
| Country | United States of America |
| State | Montana (United States) |
| Area | 6861 km2 |
| Water as percent of area | 0.6% |
| Land as percent of area | 99.4% |
| Latitude & Longitude | 45.9373,-108.2744 |
| Named for | Yellowstone River |
| Altitude | 3,002 feet / 915 meters |
| Capital | Billings |
| Establishment | January 01, 1893 |
| Time Zone | UTC−07:00 |
| Local time | 13:46:56 (18th April 2026) |
| Density | 24 Pop. per km² as of 2020 |
| Population growth | 9.21% (2010-2020) |
| Weather | 29℉ Slight Chance Rain And Snow Showers then Mostly Cloudy 7-days weather |
Geography
Yellowstone County is located at 45°56'14"N 108°16'28"W (45.9372500, -108.2743500). It has 7 neighbors: Big Horn County, Carbon County, Golden Valley County, Musselshell County, Rosebud County, Stillwater County and Treasure County.
Yellowstone County map
icon to open full mode. View satellite images
The largest city of Yellowstone County is Billings with a population of 117,445. Other cities include, Lockwood population 6,797, Laurel population 6,715 and Broadview population 182. See all Yellowstone County cities & populated places.
Yellowstone County Populated Places
Cities, towns, neighborhoods & other populated places in Yellowstone County.
| City Name | Population | Title |
|---|---|---|
| Billings | 117,445 | The most populous city in Montana. |
| Lockwood | 6,797 | Human settlement in Yellowstone County, Montana, United States of America |
| Laurel | 6,715 | City in Yellowstone County, Montana, USA |
| Broadview | 182 | Town in Montana, United States |
Weather
A slight chance of rain and snow showers before 10pm. Mostly cloudy, with a low around 29. West northwest wind 6 to 10 mph. Chance of precipitation is...
7-Day ForecastOfficial website of Yellowstone County
Official Website- Billings
Demographics
The population of Yellowstone County increased by 9.21% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 147,972 | - | census |
| 2011 | 149,772 | 1.2% | estimation process |
| 2012 | 151,635 | 1.23% | estimation process |
| 2013 | 153,775 | 1.39% | estimation process |
| 2014 | 155,279 | 0.97% | estimation process |
| 2015 | 156,529 | 0.8% | estimation process |
| 2016 | 157,914 | 0.88% | estimation process |
| 2017 | 159,266 | 0.85% | estimation process |
| 2018 | 160,029 | 0.48% | estimation process |
| 2019 | 161,300 | 0.79% | estimation process |
| 2020 | 162,990 | 1.04% | estimation process |
Montana Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Missoula County | 121,630 | County in Montana, United States |
| Billings | 117,445 | The most populous city in Montana. |
| Gallatin County | 116,806 | County in Montana, United States |
| Flathead County | 105,851 | County in Montana, United States |
| Cascade County | 81,346 | County in central Montana, United States |
| Missoula | 76,848 | The most populous city in Missoula County, Montana. |
| Lewis and Clark County | 70,229 | County in Montana, United States |
| Great Falls | 58,353 | Town in Cascade County, Montana, United States |
| Bozeman | 50,970 | Town in Gallatin County, Montana, United States |
| Ravalli County | 45,002 | County in Montana, United States |
| Silver Bow County | 35,180 | County in Montana, United States |
| Butte | 34,190 | Consolidated city-county in Montana, United States |
| Helena | 33,737 | State capital of Montana, United States and seat of Lewis and Clark County |
| Lake County | 30,986 | County in Montana, United States |
| Kalispell | 25,329 | City in Flathead County, Montana, United States |
| Lincoln County | 20,343 | County in Montana, United States |