logo

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

  • 04 Jun

    Big Horn County Confirms Five (5) Newly-confirmed Cases of COVID-19 28 active cases in County

    HARDIN, MONTANA (June 3, 2020) – Big Horn County added five (5) confirmed positive cases of COVID-19 on Wednesday afternoon.

  • 01 Jun

    Big Horn County Confirms One (1) Additional Case of COVID-19 Tested during mass testing events last week

    HARDIN, MONTANA (June 1, 2020) – Big Horn County added one (1) confirmed positive case of COVID-19 on Monday afternoon,

  • 31 May

    Big Horn County Confirms One (1) Additional Case of COVID-19 30 total cases; 22 active cases, eight (8) recovered

    HARDIN, MONTANA (May 31, 2020) – Big Horn County added one (1) confirmed positive case of COVID-19 on Sunday, a

View all news items

Forms & Documents Download Forms and Documents
County Directory Find County Contacts

Community Calendar

There are no upcoming events at this time.

View all community events

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.