In 2020, Gallatin County, MT had a population of 111k people with a median age of 33.4 and a median household income of $70,124. Between 2019 and 2020 the population of Gallatin County, MT grew from 108,063 to 111,401, a 3.09% increase and its median household income grew from $66,397 to $70,124, a 5.61% increase.
The 5 largest ethnic groups in Gallatin County, MT are White (Non-Hispanic) (91.1%), Two+ (Non-Hispanic) (2.41%), White (Hispanic) (2.13%), Asian (Non-Hispanic) (1.26%), and Two+ (Hispanic) (0.96%).
None of the households in Gallatin 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.
98.4% of the residents in Gallatin County, MT are U.S. citizens.
In 2020, the median property value in Gallatin County, MT was $388,000, and the homeownership rate was 61.1%. Most people in Gallatin County, MT drove alone to work, and the average commute time was 18.3 minutes. The average car ownership in Gallatin County, MT was 2 cars per household.