Big Horn County
There are 9 US Post Offices in Big Horn County serving a total of 11,790 residents equating to 1,310 residents per post office. It's estimated that approximately 18,818 packages are handled across the 9 county post offices annually. Big Horn County is a county located in the U.S. state of Montana. As of the 2010 census, the population was 12,865. The county seat is Hardin. The county, like the river and mountain range, were named for the bighorn sheep in the Rocky Mountains. The county was founded in 1913. It is immediately to the north from the southern Wyoming state line."