Yellowstone County Map
The County of Yellowstone is located in the State of Montana. Find directions to Yellowstone County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the Yellowstone County population is estimated at 162,990 people. The Yellowstone County time zone is Mountain Daylight Time which is 7 hours behind Coordinated Universal Time (UTC).
Nearby counties include Big Horn County, Carbon County, Golden Valley County, Musselshell County, Rosebud County, Stillwater County, Treasure County.
Top cities include Billings, Laurel, Broadview, Huntley, Custer