Big Horn County on the map of Montana 2025. Cities, roads, borders and directions in Big Horn County of Montana.

USA / Montana / Big Horn County

Big Horn County is found in the southern part of Montana. This joyful county is named after Bighorn sheep in the area. The population of Big Horn County exceeds 13 thousand people. The county, formed on January 13, 1913, spans an area of 4995 square miles. The county seat of Big Horn County is Hardin. This map shows the borders of Big Horn County as well as neighboring counties, including major highways and natural objecsts as of 2025. Zoom in or out of the map using the plus/minus panel. Move the center of this map by dragging it. Also check out the satellite map of Big Horn County.



The borders of Big Horn County over the map of Montana

An image of Big Horn County, MT

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