Custer County | |
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Coordinates: 46°16′N 105°35′W / 46.27°N 105.58°W | |
Country | United States |
State | Montana |
Founded | June 2, 1865 |
Named for | George Armstrong Custer |
Seat | Miles City |
Largest city | Miles City |
Area | |
• Total | 3,793 sq mi (9,820 km2) |
• Land | 3,783 sq mi (9,800 km2) |
• Water | 9.9 sq mi (26 km2) 0.3% |
Population (2020) | |
• Total | 11,867 |
• Estimate (2022) | 12,032 |
• Density | 3.1/sq mi (1.2/km2) |
Time zone | UTC−7 (Mountain) |
• Summer (DST) | UTC−6 (MDT) |
Congressional district | 2nd |
Website | https://custercountymt.com/ |
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Custer County is a county located in the U.S. state of Montana. As of the 2020 census, the population was 11,867.[1] Its county seat is Miles City.[2] The county was established on June 2, 1865, as one of the nine original counties of the Territory of Montana named Big Horn County,[3] and was renamed on February 16, 1877, in honor of Lieutenant Colonel George Armstrong Custer.[4]