The Political Graveyard: Madison County, Tex. - Information about politicians that lived or died in the county. TxGenWeb- Madsion County, Texas - Genealogy and history resources for the county. Butterflies and Moths of Mafidon County. - Information about and pictures of all the known species of butterflies and moths in the county. Handbook of Texas Online: Madison County - Current and historical information about Madison County. Madison County Government - Provides offices, courts, and news. Madison County Appraisal District - Presents map, forms, property search, calendar, and contacts.