ninth national census of the United States, taken on June 1, 1870; first to provide detailed demographic info on African Americans
The United States Census of 1870 was the ninth United States Census. It was done by the Census Bureau in June 1870. The 1870 Census was the first census to give detailed information on the black population. The population was 38,555,983 individuals. This was a 22.62% increase since 1860.