In 2018, Gallatin County, MT had a population of 105k people with a median age of 33.5 and a median household income of $61,499. Between 2017 and 2018 the population of Gallatin County, MT grew from 100,733 to 104,729, a 3.97% increase and its median household income grew from $59,397 to $61,499, a 3.54% increase.
The 5 largest ethnic groups in Gallatin County, MT are White (Non-Hispanic) (91.8%), White (Hispanic) (2.47%), Two+ (Non-Hispanic) (2.14%), Asian (Non-Hispanic) (1.39%), and American Indian & Alaska Native (Non-Hispanic) (0.714%). NaNk% of the people in Gallatin County, MT speak a non-English language, and 98% are U.S. citizens.
The median property value in Gallatin County, MT is $330,400, and the homeownership rate is 61.3%. Most people in Gallatin County, MT commute by Drove Alone, and the average commute time is 16.7 minutes. The average car ownership in Gallatin County, MT is 2 cars per household.