The NEW American FactFinder Classroom TrainingPDF of Census Bureau training manual. American Factfinder uses data from the: Decennial Census; American Community Survey; Puerto Rico Community Survey; Economic Census; Population Estimates Program; more than 100 economic surveys covering annual, quarterly, and monthly time periods for various sectors of the economy; Data from three Annual Economic Surveys (Annual Survey of Manufactures; County Business Patterns; Nonemployer Statistics).