About This Place
Hardin is a city in and the county seat of Big Horn County, Montana, United States. The population was 3,384 at the 2000 census.
The city was named for Samuel Hardin, a friend of developer Charles Henry Morrill.
Hardin is located at 45°43′55″N 107°36′45″W / 45.73194°N 107.6125°W / 45.73194; -107.6125 (45.731824, -107.612542).