In 2021, Stillwater County, MT had a population of 8.92k people with a median age of 48.3 and a median household income of $72,906. Between 2020 and 2021 the population of Stillwater County, MT declined from 9,562 to 8,916, a −6.76% decrease and its median household income grew from $67,448 to $72,906, a 8.09% increase.
The 5 largest ethnic groups in Stillwater County, MT are White (Non-Hispanic) (92.1%), White (Hispanic) (2.55%), Two+ (Non-Hispanic) (2.24%), Two+ (Hispanic) (1.35%), and American Indian & Alaska Native (Non-Hispanic) (1.04%).
None of the households in Stillwater County, MT reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.6% of the residents in Stillwater County, MT are U.S. citizens.
In 2021, the median property value in Stillwater County, MT was $276,500, and the homeownership rate was 82.1%.
Most people in Stillwater County, MT drove alone to work, and the average commute time was 28.5 minutes. The average car ownership in Stillwater County, MT was 2 cars per household.
Stillwater County, MT borders Carbon County, MT, Golden Valley County, MT, Park County, MT, Sweet Grass County, MT, and Yellowstone County, MT.