Visit this page regularly for updates on data resources and archives.

ICPSR. ICPSR at University of Michigan maintains a data archive of more than 250,000 files of research in the social and behavioral sciences. It hosts 21 specialized collections of data in education, aging, criminal justice, substance abuse, terrorism, and other fields. Access the site here.

National Couples’ Health and Time Study Data (NCHAT; N = 3,642 main respondents and N = 1,515 partner/spouses) is the first population-based study of couples that contains large representative samples of individuals who are racial and ethnic diverse and sexual and gender diverse. NCHAT main respondent survey data, funded by NICHD, are now publicly available from the Data Sharing for Demographic Research at ICPSR. Users can also apply to use the restricted data, for free, through DSDR on a virtual data enclave. There is a free virtual training workshop on August 18th, registration details can be found here. Users can learn more about the data in this working paper. NCHAT was collected during the COVID-19 pandemic and included adults in the US who ranged in age from 20-60 years old, who were married or cohabiting, and who were able to read English or Spanish. NCHAT includes dyadic survey, time diary, experience sampling methods, and geospatial data. NCHAT is uniquely suited to address COVID, stress, family functioning, and physical and mental health and includes an abundance of contextual and acute measures of race and racism, sexism, and cis-heterosexism. NCHAT includes a full household roster and marital and cohabitation histories. The gender neutral surveys are available in English and Spanish on the NCHAT website.

National Voter File. BU has has acquired a three-year subscription to a national voter file for the United States. These data, which are from the commercial data vendor L2, includes records on over 200 million voters plus 2.3 billion voter history records. To learn more, and access data, click here.  Questions should be directed to Maxwell Palmer (

U.S. Census Bureau Small Area Income and Poverty Estimates 2019 School District Profile Interactive Tool. Released in October 2021, this data visualization dashboard provides information on every one of the nation’s more than 13,000 school districts as defined in the 2020 School District Review Program. Access the site here. 

The National Historical Geographic Information System (NHGIS) provides easy access to summary tables and time series of population, housing, agriculture, and economic data, along with GIS-compatible boundary files, for years from 1790 through the present and for all levels of U.S. census geography, including states, counties, tracts, and blocks. Over 1,300 new tables are now available for geographic areas with 65,000 or more residents. NHGIS has added the 2021 1-Year Summary File from the American Community Survey (ACS) and has also completed over 1,400 updates in the “context fields” for selected summary datasets, including area measures, geographic coordinates, data suppression flags, and geographic class codes (e.g., incorporated vs. unincorporated places). Read more.