The first census was recorded in 1790 after the American Revolution under Secretary of State Thomas Jefferson. Since then 22 federal censuses have been carried out; the last one happening in 2010 and next one in 2020. The 2020 census will be conducted largely by using internet. In between the decade censuses, the Census Bureau estimates the population by using surveys and statistical model, particularly of American Community Survey.
The significance of Census A census is not only a count of the population but also a description of a nation, state county and even city on a given date. Thus Census list is also called 'schedule.' Since 1790, Census is carried out in every ten years. For a genealogy study, a well-indexed census is the 'gold mine' to track the place of living of an ancestor and even his or her migration.
A census report can facilitate: Study a family for specific period The dynamics of family, its relationships The demography of the family The study of migration of the family Clues for other records related to the family