Stillwater County, Montana
Stillwater County: county in Montana, United States
About
Stillwater County is a county located in the U.S. state of Montana. As of the 2010 census, the population was 9,117 and a population density of 2 people per km². After 10 years in 2020 county had an estimated population of 9,888 inhabitants. Its county seat is Columbus. The county was created 113 years ago in 1912.
County Snapshot
Stillwater County at a glance
Stillwater County currently has 2 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
2
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
ColumbusPopulation 2,117
Top linked places
Quick Facts about Stillwater County
| Population | 9,888 (2020) |
| Country | United States of America |
| State | Montana (United States) |
| Area | 4674 km2 |
| Water as percent of area | 0.5% |
| Land as percent of area | 99.5% |
| Latitude & Longitude | 45.6694,-109.3948 |
| Altitude | 4,072 feet / 1241 meters |
| Capital | Columbus |
| Establishment | January 01, 1913 |
| Time Zone | America/Denver |
| Local time | 15:19:08 (18th April 2026) |
| Density | 2 Pop. per km² as of 2020 |
| Population growth | 7.8% (2010-2020) |
| Weather | 24℉ Slight Chance Snow Showers then Mostly Cloudy 7-days weather |
Geography
Stillwater County is located at 45°40'10"N 109°23'41"W (45.6694400, -109.3947700). It has 3 neighbors: Carbon County, Golden Valley County and Yellowstone County.
Stillwater County map
icon to open full mode. View satellite images
The largest city of Stillwater County is Columbus with a population of 2,117. Other cities include and Absarokee population 1,150. See all Stillwater County cities & populated places.
Stillwater County Populated Places
Cities, towns, neighborhoods & other populated places in Stillwater County.
| City Name | Population | Title |
|---|---|---|
| Columbus | 2,117 | Town in Stillwater County, Montana, United States |
| Absarokee | 1,150 | Town in Montana |
Weather
A slight chance of snow showers before midnight. Mostly cloudy, with a low around 24. West northwest wind around 8 mph. Chance of precipitation is 20%...
7-Day ForecastOfficial website of Stillwater County
Official Website- Columbus
Demographics
The population of Stillwater County increased by 7.8% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 9,117 | - | census |
| 2011 | 9,156 | 0.43% | estimation process |
| 2012 | 9,166 | 0.11% | estimation process |
| 2013 | 9,255 | 0.96% | estimation process |
| 2014 | 9,235 | -0.22% | estimation process |
| 2015 | 9,425 | 2.02% | estimation process |
| 2016 | 9,360 | -0.69% | estimation process |
| 2017 | 9,419 | 0.63% | estimation process |
| 2018 | 9,483 | 0.67% | estimation process |
| 2019 | 9,642 | 1.65% | estimation process |
| 2020 | 9,888 | 2.49% | estimation process |
Montana Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Yellowstone County | 162,990 | County in Montana, United States of America |
| 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 |