Stillwater County, MT Demographics
Stillwater County, MT is the 24th most populous of 56 counties in Montana, with 8,963 residents across 1,797 square miles. That is about 5 people per square mile.
At the 2020 census
| Population | 8,963 |
|---|---|
| Land area | 1,797 sq mi |
| Density | 5 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Stillwater County compares to the US
We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: Stillwater County, MT
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Stillwater County, MT — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Stillwater County, MT
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 9664 | 3,957 | 308.1 | 13 |
| Census Tract 9666 | 3,081 | 894.5 | 3 |
| Census Tract 9665 | 1,925 | 594.2 | 3 |
Related places
Other counties nearby
Nearest counties
Metro areas containing Stillwater County
About this page
This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.
Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.