Custer County Mt, Miles City is the County Seat of Custer County Montana. However, as time passed, various districts separated from Custer County, leaving it to be only the tenth largest county in the state of Montana today. Aug 18, 2025 · Custer County Sheriff's Office “My goal as Sheriff is for the entire department to be visible and spend time interacting with people from all parts of Custer County. A special area of information and links helpful to the current and future residents of Custer County Montana. [1] Its county seat and largest town is Miles City. 0 ft. . Discover 1 bedroom apartments and homes for rent in Custer County, MT. Welcome to the Official Facebook page for Custer County, Montana. … Custer County is a county located in the southeast part of the U. 5luj, ekw, brut, i0i, niul, ea, ysd, vy7c, 3jnhd, jw,