In 2021, Sweet Grass County, MT had a population of 3.69k people with a median age of 45.4 and a median household income of $59,238. Between 2020 and 2021 the population of Sweet Grass County, MT grew from 3,676 to 3,690, a 0.381% increase and its median household income grew from $53,790 to $59,238, a 10.1% increase.
The 5 largest ethnic groups in Sweet Grass County, MT are White (Non-Hispanic) (93.1%), Black or African American (Non-Hispanic) (2.25%), White (Hispanic) (1.98%), Two+ (Non-Hispanic) (1.82%), and American Indian & Alaska Native (Non-Hispanic) (0.786%).
None of the households in Sweet Grass 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.
99.9% of the residents in Sweet Grass County, MT are U.S. citizens.
In 2021, the median property value in Sweet Grass County, MT was $243,500, and the homeownership rate was 78.3%.
Most people in Sweet Grass County, MT drove alone to work, and the average commute time was 24 minutes. The average car ownership in Sweet Grass County, MT was 2 cars per household.
Sweet Grass County, MT borders Golden Valley County, MT, Meagher County, MT, Park County, MT, Stillwater County, MT, and Wheatland County, MT.