Yellowstone County, Montana

county in Montana, United States

Yellowstone County is the most populous county in the U.S. state of Montana. As of the 2020 United States Census, 164,731 people lived there.[1] Its county seat is Billings.[2]

Yellowstone County
Postcard. Pompeys Pillar National Monument.
Map of Montana highlighting Yellowstone County
Location within the U.S. state of Montana
Map of the United States highlighting Montana
Montana's location within the U.S.
Coordinates: 45°56′N 108°16′W / 45.94°N 108.27°W / 45.94; -108.27
Country United States
State Montana
FoundedFebruary 26, 1883
Named forYellowstone River
SeatBillings
Largest cityBillings
Area
 • Total2,649 sq mi (6,860 km2)
 • Land2,633 sq mi (6,820 km2)
 • Water16 sq mi (40 km2)  0.6%
Population
 (2020)
 • Total164,731
 • Density62/sq mi (24/km2)
Time zoneUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Congressional district2nd
Websitewww.co.yellowstone.mt.gov
  • Montana county number 03

References

change
  1. "QuickFacts: Yellowstone County, Montana". United States Census Bureau. Retrieved January 5, 2024.
  2. "Find a County". National Association of Counties. Retrieved June 7, 2011.