Park County, Montana

Park County, Montana
Location within the U.S. state of Montana
Coordinates: 45°30′N 110°31′W / 45.5°N 110.52°W / 45.5; -110.52
Country United States
State Montana
FoundedFebruary 23, 1887
SeatLivingston
Largest cityLivingston
Area
 • Total
2,813 sq mi (7,290 km2)
 • Land2,803 sq mi (7,260 km2)
 • Water10 sq mi (26 km2)  0.4%
Population
 (2020)
 • Total
17,191
 • Estimate 
(2024)
18,074
 • Density6.133/sq mi (2.368/km2)
Time zoneUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Area code406
Congressional district2nd
Websitewww.parkcounty.org
  • Montana county number 49

Park County is a county in the U.S. state of Montana. At the 2020 census, the population was 17,191. Its county seat is Livingston. A small part of Yellowstone National Park is in the southern part of the county.