Actor Edward James Olmos wishes he could trace his family’s Mexican history back 100,000 years, but he’ll have to settle for 1930 for now. In what one online genealogy firm say is an extraordinary ...

Jason Beaubien reports on one of the biggest events of the decade — at least for genealogists. Today, the National Archives released the data from the 1930 census. Information on individual households ...

Most days, amateur researchers camped out in the National Archives reference room in Laguna Niguel, Calif., chat about the past as they untangle the threads of family history. In recent weeks, though, ...

Our news partners at HistoryLink.org have written on population characteristics and trends throughout Washington history based on historical census data. See their stories below to learn more about ...