The ProQuest Statistical Abstract of the United States is the authoritative and comprehensive summary of statistics on the social, political, and economic conditions of the United States. The online version includes monthly updates to tables, deep searching at the line-item level, powerful facets for narrowing search results, image and spreadsheet versions of all current and historical tables, along with links to provider sites.
"The standard summary of statistics on the social, political, and economic organization of the United States. It is also designed to serve as a guide to other statistical publications and sources." A publication of the U.S. Census Bureau through the 2012 annual volume, after which ProQuest assumed responsibility (see linked item above this one).
iPoll is a comprehensive, up-to-date source for US nationwide public opinion. A full-text retrieval system, the iPoll online database is organized at the question level, providing the tools to sift through nearly a half million questions asked on national public opinion surveys, 1935 to present. Surveys archived in the Roper Catalog were originally gathered by academic, commercial and media survey organizations such as Gallup Organization, Harris Interactive, Pew Research Associates, and many more.
IPoll databank @ the Roper Center for Public Opinion Research .