ICPSR maintains a data archive of more than 500,000 files of research in the social sciences. It hosts 16 specialized collections of data in education, aging, criminal justice, substance abuse, terrorism, and other fields. Note: Creation of a Personal Account is required to fully access all ICPSR features.
Roper iPoll is the largest collection of public opinion poll data with results from 1935 to the present. Roper iPoll contains nearly 800,000 questions and over 23,000 datasets from both U.S. and international polling firms. Surveys cover a range of topics.
Social Explorer is mainly an interactive map of demographic information drawn from the US Census. Users can examine geographic areas while selecting the type of data to be shown, such as population density or income level. Note: Creation of a Personal Account is required to fully access all Social Explorer features.
The Western Pennsylvania Regional Data Center supports key community initiatives by making public information easier to find and use. The Data Center maintains Allegheny County and the City of Pittsburgh’s open data portal, and provides a number of services to data publishers and users. The Data Center also hosts datasets from these and other public sector agencies, academic institutions, and non-profit organizations.