Capitol Impact: Estill County: Political, educational, and economic data.Estill County Decennial Population Statistics - 1810 - 2000: Includes total population, county area, and population density.National Association of Counties - Profile of Estill County: Provides a list of elected officials, cities within the county, census details, and contact details for the county court house.U.S. Census Bureau - Estill County: Provides population and economic information.