Primary data collected by the Census Bureau with private and commercial analysis of that data. Includes Statistical Abstract in its entirety going back to 1878 and the Historical Statistics of the U.S. 1790-1970.
The standard source for the quantitative facts of American history.
From a review: "a compendium of statistics from over 1000 sources last updated in the distant 1975, [...] expanded to include over 37,000 data series -- three times more than in the previous edition -- and dozens of new topics."
Multnomah Public Library genealogy database that includes access to census information from 1790 to 1940, including some name indexes.
Combines ProQuest's Genealogy & Local History Online, a collection of over 25,000 family and local histories, and content from HeritageQuest, the largest genealogical data, products, supplies and equipment provider to consumers and institutions in the United States.