File1940 Census Enumeration District Maps Illinois McLean County Normal ED 5769, ED 57
File1940 Census Enumeration District Maps Illinois McLean County Normal ED 5769, ED 57 . Beginning with the 1880 census, maps of the districts were created to help administer and control data collection. Geographic finding aids enumeration district maps an enumeration district, as used by the bureau of the census, was an area that could be covered by a single enumerator (census taker) in one census period. Genealogy's Star Moving Beyond Census Records Part Six from genealogysstar.blogspot.com Enumeration districts varied in size from several city blocks in densely populated urban areas to an entire county in sparsely populated rural areas. Issues about this census and this database. Search over 450 welsh journals.