Use the American FactFinder , a new interactive database, to easily create customized tables about the place or industry you are researching. Numbers of firms in one zip code can be compared to other zip codes. Historical population and economic census information at the state and county level is available at the United States Historical Census Data Browser , a joint project of the University of Virginia and the Inter-university Consortium for Political and Social Research. This project covers the years 1790 through 1970. The IDB contains statistical tables of demographic and socio-economic data for 227 countries and areas of the world.
Users can specify the data element, country and time period they want to search.
The latest population estimates, projections, and other key indicators for all geographic entities with populations of 150,000 or more and all members of the United Nations.