Carter County, Montana

Carter County, Montana
Carter County Courthouse in Ekalaka
Location within the U.S. state of Montana
Coordinates: 45°30′N 104°32′W / 45.5°N 104.54°W / 45.5; -104.54
Country United States
State Montana
Founded1917
Named afterThomas H. Carter
SeatEkalaka
Largest townEkalaka
Area
 • Total
3,348 sq mi (8,670 km2)
 • Land3,341 sq mi (8,650 km2)
 • Water7.5 sq mi (19 km2)  0.2%
Population
 (2020)
 • Total
1,415
 • Estimate 
(2024)
1,399
 • Density0.4235/sq mi (0.1635/km2)
Time zoneUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Congressional district2nd
Websitewww.cartercountymt.info
  • Montana county number 42

Carter County is a county located in the U.S. state of Montana. As of the 2020 census, the population was 1,415, making it the seventh-least populous county in Montana. The county seat is Ekalaka.