In 2017, Gallatin County, MT had a population of 101k people with a median age of 33.4 and a median household income of $59,397. Between 2016 and 2017 the population of Gallatin County, MT grew from 97,958 to 100,733, a 2.83% increase and its median household income grew from $57,021 to $59,397, a 4.17% increase.
The 5 largest ethnic groups in Gallatin County, MT are White (Non-Hispanic) (92.3%), White (Hispanic) (2.32%), Two or More Races (Non-Hispanic) (1.85%), Asian (Non-Hispanic) (1.3%), and American Indian & Alaska Native (Non-Hispanic) (0.857%). N/A% of the people in Gallatin County, MT speak a non-English language, and 98.2% are U.S. citizens.
The median property value in Gallatin County, MT is $303,700, and the homeownership rate is 61.6%. Most people in Gallatin County, MT commute by Drove Alone, and the average commute time is 16.5 minutes. The average car ownership in Gallatin County, MT is 2 cars per household.