Provides Public Use Microdata Samples for the 1940-90 US Censuses (PUMS). Public Use Microdata Samples are computer-accessible files containing records for a sample of housing units, with information on the characteristics of each housing unit and the ... read more
Subject: United States -- Census -- Databases; United States -- Population -- Statistics -- Databases; Demographic surveys -- United States -- Databases; Housing -- United States -- Statistics -- Databases