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.

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County News

  • 05 Mar

    Big Horn County Announces One (1) Newly-confirmed Case of COVID-19 Over Three (3) Days 14 active cases, including one (1) hospitalized

    HARDIN, MONTANA (March 5, 2021) – Big Horn County added one (1) newly-confirmed case of COVID-19 on Thursday, March 4,

  • 04 Mar

    Big Horn County Announces 69th Death from COVID-19 Deceased is a man in his 70’s

    HARDIN, MONTANA (March 4, 2021) – Big Horn County today announced the 69th death of a County resident due to

  • 02 Mar

    Big Horn County Announces One (1) Newly-confirmed Case of COVID-19 2,326 total cases since pandemic began; 17.5% of County’s population

    HARDIN, MONTANA (March 2, 2021) – Big Horn County added one (1) newly-confirmed case of COVID-19 on Monday, March 1,

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Community Calendar

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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.