Prairie County, Montana

Prairie County
Downtown Terry, Montana during a typical snowy day.
Downtown Terry, Montana during a typical snowy day.
Map of Montana highlighting Prairie County
Location within the U.S. state of Montana
Map of the United States highlighting Montana
Montana's location within the U.S.
Coordinates: 46°51′N 105°22′W / 46.85°N 105.37°W / 46.85; -105.37
Country United States
State Montana
FoundedFebruary 5, 1915
Named forPrairie landscape
SeatTerry
Largest townTerry
Area
 • Total1,743 sq mi (4,510 km2)
 • Land1,737 sq mi (4,500 km2)
 • Water5.8 sq mi (15 km2)  0.3%
Population
 (2020)
 • Total1,088
 • Estimate 
(2022)
1,107 Increase
 • Density0.6/sq mi (0.2/km2)
Time zoneUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Congressional district2nd
Websitevisitterrymt.com (Terry Chamber of Commerce)
  • Montana county number 45

Prairie County is a county in the U.S. state of Montana. As of the 2020 census, the population was 1,088,[1] making it the fifth-least populous county in Montana.[citation needed] Its county seat is Terry.[2] Prairie County was created by the Montana Legislature in 1915 out of parts of Custer, Dawson, and Fallon Counties. The name was selected in a contest and reflects the predominant landscape of the region.[3]

The county was the site of the 1938 Custer Creek train wreck that killed 47 people and injured 75.

  1. ^ "State & County QuickFacts". United States Census Bureau. Retrieved May 7, 2023.
  2. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
  3. ^ "Montana Place Names Companion". Montana Place Names From Alzada to Zortman. Montana Historical Society Research Center. Retrieved May 9, 2011.

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