American FactFinderThe AFF serves as the online web portal for the U.S. Census Bureau. The AFF allows you to view, print, and download statistics about population, housing, industry, and business data. AFF allows the user to identify U.S. Census Bureau products, create reference and thematic maps, and search for specific data in the 1990 and 2000 Census, as well as the American Community Surveys and the 1997 Economic Census.