Historical Statistics of the United States contains reference data covering U.S history. Topics ranging from migration and health to crime and the Confederate States of America are each placed in historical context.
Policy Map is a web-based Geographic Information System that provides a simple mechanism for visualizing data from 2000s to the present. Available data includes demographics, home sale statistics, health data, mortgage trends, school performance scores and labor data like unemployment, crime statistics and city crime rates.
Statistical Abstract of the United States (1878-2012)
Statistical Abstract of the United States provides a collection of statistics on the social, political and economic conditions of the United States.