Adair County Decennial Population Statistics - 1810 - 1990: Includes total population, county area, and population density.
Capitol Impact: Adair County: Political, educational, and economic data.
Census Bureau - Adair County: Provides population and economic information.
National Association of Counties - Profile of Adair County: Provides a list of elected officials, cities within the county, census details, and contact details for the county court house.