Provides easy-to-use tools for visual exploration of demographic information.

Provides population, housing, agricultural, and economic data, along with GIS-compatible boundary files, for geographic units in the United States from 1790 to the present.

Additional census data.

Data on population, labor, health, income, prices, slavery, migration, communications, national defense, immigration and more.

This is the official, authoritative and comprehensive summary of statistics on the social, political, and economic organization of the United States. Published by the US Census Bureau.