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Census and Demographic Data: Microdata


Resource Description Format
IPUMS-USA High-precision samples of the American population drawn from federal censuses and the American Community Surveys .ASCII
ICPSR Census data held by ICPSR .ASCII American Community Survey (ACS) Public Use Microdata Samples (PUMS). See tutorials for accessing microdata. .csv, .sas
Census ftp site PUMS from 1996 to 2015 .csv