As the US marks its 250th anniversary, explore how Census data reveals the nation's remarkable demographic transformation from its early days to the present. Using Social Explorer's extensive historical data library, readers journey from Virginia's colonial roots and the first official U.S. Census in 1790 through the post-Civil War era and into the present day. Examines how population growth, migration, racial and ethnic diversity, and evolving Census categories have reshaped both the nation and Virginia over more than two centuries. Social Explorer's interactive maps and datasets make it easy to compare historical and modern demographic trends.