General Social Survey"Contains a standard 'core' of demographic, behavioral, and attitudinal questions, plus topics of special interest" (from the website). The annual survey is conducted by the National Opinion Research Center at the University of Chicago.
IPUMSIPUMS provides census and survey data from around the world integrated across time and space. IPUMS integration and documentation makes it easy to study change, conduct comparative research, merge information across data types, and analyze individuals within family and community contexts. Download data for offline analysis, or use online analysis tool. Data and services available free of charge. (Registration is required.)
Pew Research Center Social and Demographic TrendsProvides demographic datasets and statistical reports dating back to 2005. Datasets are released two years after their related reports. Free registration required to download datasets.
Population Reference BureauPRB analyzes demographic data and research to provide objective, accurate, and up-to-date population information in accessible formats. Provides reports and downloadable datasets.
Sage Data (formerly Data Planet)Sage Data, powered by Data Planet, provides a single platform to quickly find, explore, visualize, and share detailed data from 550+ U.S. and international databases. Includes access to "Data Basics," a reference library offering guidance on working with statistics.
Social ExplorerGeorgetown users must create a free account to use. Social Explorer provides quick and easy access to current and historical census data and demographic information. The easy-to-use web interface lets users create maps and reports to illustrate, analyze, and understand demography and social change. In addition to its comprehensive data resources, Social Explorer offers features and tools to meet the needs of demography experts and novices alike.
Statistical Abstract of the U.S.In print, the Statistical Abstract of the United States is a one-volume, comprehensive summary of statistics on the social, political, and economic organization of the United States. Online it is 1400+ individually indexed tables (with attached spreadsheets), both searchable and browsable. Use the Abstract as a convenient volume for statistical reference, and as a guide to sources of more information both in print and on the Web.
U.S. Census BureauThe U.S. Census Bureau collects and publishes a large amount of statistical data. This includes the Statistical Abstract of the United States, which contains statistics on social and economic conditions (print version: HA 202 .A225). If you need more detailed statistics than what is available in the Statistical Abstract, visit the web sites of the federal agencies that are responsible for collecting the data.