Madison County Extension Office - Branch office of Ohio State University, it combines the needs of local citizens and communities, with new research and technical information. Madison County Sheriff's Office - Provides profile of department, law enforcement programs, crime statistics and sexual offender list. The Political Graveyard: Madison County, Ohio - Site contains information on the political history of Madison County, cemeteries and memorial sites in the county. Madison County - Official site provides information about government officials and departments. Madison County Chamber of Commerce - Enhances the economic, civic, and cultural growth of the county. Business directory, community profile and employment opportunities. Madison County Fair - Includes schedule and information about the fair and other 4-H events held on the fairgrounds in London. County Map - Map of Madison County. Profile for Madison County - Information on the political infrastructure of the county.