Primarily designed as a resource for genealogy materials, this database includes: manuscript census data and voter data; vital records; immigration records including passenger lists; naturalization records; selected court, land and probate records; United States military and draft records; city directories; maps; statistics; and reference books.

This resource includes data on population, health, labor, the environment, energy, business, and more for the United States and individual states dating back to the 1700s.

Online access to results of public opinion polls. Includes public opinion polls social issues, public policy, international affairs, and elections since , as well as other polls. Dates vary but polls are available as far back as the 1930s.
Guide to Using Roper Center for Public Opinion Research

This resource can be used to explore both historical and contemporary U.S. Census data in report form or visually on a map, allowing for comparison of information from different censuses or geographic areas.