Gallatin County, MT
Gallatin County Map
The County of Gallatin is located in the State of Montana. Find directions to Gallatin County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the Gallatin County population is estimated at 116,806 people. The Gallatin County time zone is Mountain Daylight Time which is 7 hours behind Coordinated Universal Time (UTC).