Statistical Abstract of the United States from the U.S. Census Bureau, compiles statistics on the social, political, and economic organization of the United States from 1889 through 2011, plus historical supplements from 1789.
Provides historical census data and demographic information through appealing maps and reports which make it easy to visually analyze and understand demography and social change throughout history.
Created by the U.S. Central Intelligence Agency, the World Factbook "provides information on the history, people, government, economy, geography, communications, transportation, military, and transnational issues for 267 world entities."