1870 United States Census
The United States Census 1870 was the ninth census of the United States since 1790. As a result of counting a population of 38,555,983 inhabitants was for the U.S. to date, June 1, 1870 determined. For the first time obtained a detailed picture of the so-called black people after slavery had been abolished. The Census of 1870 is liable to criticism for underestimating the actual population. It is assumed that a sub- collection in the states of New York and Pennsylvania.
The data contain information on the number of residential buildings, number of families and their members each with age, gender, skin color, profession or education ( for those aged over 15 years ), land value, value of personal property, place of birth, date of birth, marital status, illiteracy ( for those aged over 20 years ), disability ( deafness or deaf-mutism, blindness, insanity, feeble-mindedness ), neediness, a criminal record.
The census data are documented as microdata and retrievable.