About Big Horn County

Welcome to Big Horn County, the sixth largest county in Montana, at approximately 5,023 square miles, and with a population exceeding 13,000. The local government was established January 13, 1913. Hardin is the County Seat.

The scenic Big Horn, Pryor and Wolf Mountain ranges are part of the Big Horn County landscape. Visitors may want to enjoy fishing the Big Horn, Little Big Horn, and Tongue Rivers which wind through this region. The spectacular Big Horn Canyon National Recreation Area is host to water sports including boating, water skiing and more. Chief Plenty Coups State Park, at Pryor, contains much history of the Crow Indians.

Learn more about Bighorn County

County News

  • 07 Aug

    Big Horn County Announces 18 Newly-confirmed Cases of COVID-19 11 County residents currently hospitalized Update in number of deaths in County, lowered to 12

    HARDIN, MONTANA (August 7, 2020) – Big Horn County added 18 new cases of COVID-19 on Thursday. Of the newly-confirmed

  • 06 Aug

    Big Horn County Requests Cooperation from Residents In Slowing the Spread of COVID-19 Residents asked to stay home more often and wear masks when outside home

    HARDIN, MONTANA (August 6, 2020) – The Big Horn County Commissioners and the Big Horn County Health Board, along with

  • 06 Aug

    Big Horn County Announces Three (3) Deaths from COVID-19 Increasing Death Toll to 14 18 newly-confirmed cases in County

    HARDIN, MONTANA (August 6, 2020) – Big Horn County today confirmed three (3) deaths due to 2019 novel coronavirus (COVID-19)

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Community Calendar

There are no upcoming events at this time.

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Big Horn County is a land made up of varying jurisdictions. As you drive across the Crow and Northern Cheyenne Indian Nations, be aware that each has its own unique regulations and law enforcement agencies.

Big Horn County is designated as a Preserve America Community. The designation honors communities for their accomplishments in preserving the nation's priceless cultural and natural heritage.

Learn more about Big Horn County
Visit PreserveAmerica.gov

Our Mission

To maintain accessibility, accountability, efficiency and a sense of community, within the various functions of County government, while safeguarding the liberties of our citizens.