The agency responsible for the maintenance and upgrade of the county's transportation system.

Provides profile of department, law enforcement programs, crime statistics and sex offender information.

Official county site with demographic information including links to government offices and local sites of interest.

Provides public information concerning the county bar association, its activities, and the legal system.

Provides a local structure which coordinates federal, state, and local resources in planning, financing, constructing, and operating transportation projects.

Site contains information on the political history, cemeteries and memorial sites in the county.

Map of Butler County linked from Ohio DOT site. Very low detail.

Provides population, demographic, and housing information.

Provides maps, pictures, schedule of events, and registration information.

Economic Development Association of Butler County.

Posts live and previous election results. Also provides the election calendar and information about the board, issues, candidates, voter registration and pollworker employment.

Provides a list of Ohio Department of Natural Resources wildlife and recreational areas in the county.

Provides demographic, business, and agriculture profiles.

Information on the political infrastructure of the county. Linked from Harden Political InfoSystems.

Branch office of Ohio State University, it combines the needs of local citizens and communities, with new research and technical information.

Includes county profile and services, educational and government websites, parks and recreation, health facilities, and places to visit.