Social Explorer This link opens in a new windowSocial Explorer is a research tool designed to provide quick and easy access to historical census data and demographic information. It creates maps and reports to help users visually analyze and understand demography and social change throughout history. Currently includes the entire US Census history from 1790 to 2000, all annual updates from the American Community Survey. Users can customize, save, print, and email maps and reports and export them to a variety of programs and statistical packages for further analysis and use in reports and presentations.