Offers population, housing, economic, trends, and geographic data.

Provides a single point of access to Health Resources and Services Asministration (HRSA)  programmatic information, related health resources, and demographic data that focuses on uninsured, underserved, and special needs populations.

Provides the data sets generated by PD&R-sponsored data collection efforts including the American Housing Survey, HUD median family income limits, and microdata from research initiatives such as housing discrimination, the HUD-insured multifamily housing stock, and the public housing population.

Features a geographic information system (GIS) portal that serves as a public gateway for improving access to geospatial information and data.

Provides comprehensive data and downloadable shapefiles on the formation, development, and fluidity of county borders within the territory of the United States from 1629 to 2000.

Presents in maps and text complete data about the creation and all subsequent changes (dated to the day) in the size, shape, and location of every county in the fifty United States as well as the District of Columbia.

Offers citations and abstracts about the earth sciences including palaeontology.

Maintains a global reference on the environment, energy, and natural resources.

Archives social science data that includes aging, child care, criminal justice, demography, education, political science as well as public and mental health.