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 Geographic Information System


Geographic Information System (GIS) is a system that combines computer software and hardware, data, methods and solutions that are used by hundreds of thousands of people worldwide in governments, businesses and educational institutions.

The Clarion County GIS Office performs mapping and spatial database maintenance work for various Clarion County Departments including, but not limited to, Planning, Tax Assessment, 911, Register and Recorders, Elections, Voters Registration and Sheriff. It also provides mapping products and services to customers of different backgrounds and affiliations. An underlying department goal is to enable Clarion County Government to work more effectively and efficiently by enabling the access of various GIS derived data maintained in-house at different levels to the county departments and their corresponding clients.

Clarion County GIS Department offers GIS consulting services, database management, custom maps and training services to the County’s departments and offices. Major priorities of the GIS Department include:

  • Create, edit and maintain current and additional GIS Layers
  • Develop, manage and maintain GIS database
  • Performs GIS analysis for County Agencies and public
  • Developing custom maps
  • Facilitating GIS education and training seminars

Mapping products (digital/hardcopy) are GIS services/data are available to the public.

If you have recently constructed a new structure for business or a residence, please register your new address with 9-1-1 to ensure emergency responders can find you.

   Clarion County 9-1-1 New Address Request Form

   New Road/Street Request Form

Plat Books are available for $50 at the GIS Office located in the Clarion County Courthouse and at the Treasurer's Office in the Administrative Building (330 Main Street, Clarion).


 Contact Information

  • GIS

    Clarion County Courthouse
    421 Main Street
    Clarion, PA 16214
    Telephone: (814) 226-4000
    Fax: (814) 297-7997
    Tanner Harris, Ext. 2317