Prairie County, Montana
Prairie County | |
|---|---|
Downtown Terry, Montana during a typical snowy day. | |
Location within the U.S. state of Montana | |
Montana's location within the U.S. | |
| Coordinates: 46°51′N 105°22′W / 46.85°N 105.37°W | |
| Country | United States |
| State | Montana |
| Founded | February 5, 1915 |
| Named after | Prairie landscape |
| Seat | Terry |
| Largest town | Terry |
| Area | |
• Total | 1,743 sq mi (4,510 km2) |
| • Land | 1,737 sq mi (4,500 km2) |
| • Water | 5.8 sq mi (15 km2) 0.3% |
| Population (2020) | |
• Total | 1,088 |
• Estimate (2024) | 1,112 |
| • Density | 0.6/sq mi (0.2/km2) |
| Time zone | UTC−7 (Mountain) |
| • Summer (DST) | UTC−6 (MDT) |
| Congressional district | 2nd |
| Website | visitterrymt.com (Terry Chamber of Commerce) |
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Prairie County is a county in the U.S. state of Montana. As of the 2020 census, the population was 1,088, making it the fifth-least populous county in Montana. Its county seat is Terry. 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.
The county was the site of the 1938 Custer Creek train wreck that killed 47 people and injured 75.