Series: T623   Rolls: 1 - 1854 1900 Facts 1. Twelfth U.S. decennial population census. 2. U.S. population: 76.2 million 3. Census conducted by the Director of the Census     (Census Office, U.S. Department of the Interior). 4. Census day: 1 June 1900. 5. Mandated copies: One set, to the Director of the Census     Local jurisdictions could buy a copy of their schedules at     cost. 6. The original census schedules were destroyed in the     1940s after being microfilmed.