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

  • 30 Mar

    Big Horn County Public Health Requests Cooperation From Non-Residents Seeking Recreation

    HARDIN, MONTANA (March 30, 2020) – The Big Horn County Public Health Department is asking for the cooperation and goodwill

  • 27 Mar

    ORDER OF BIG HORN COUNTY PUBLIC HEALTH OFFICER No. 2020- 2

    WHEREAS, the World Health Organization has declared the worldwide outbreak of COVID-19 Novel Coronavirus a pandemic; and WHEREAS, as of

  • 20 Mar

    PRESIDING OFFICER (EXECUTIVE) ORDER 2020-1

    WHEREAS on the 17th day of March 2020. the Board of Big Horn County Commissioners’ passed Emergency Proclamation Resolution No

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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.