The enumerators of Twelfth Census of the United States tabulated the nation's population as of June 1, 1900. Vienna Township's population was 942. The population of Ohio was 4,157,545. The total population of the United States was 76,212,168."Instructions for Enumerators." Integrated Public Use Microdata Series, Minnesota Population Center, University of Minnesota, Minnesota, MN.
The United States Constitution requires that a population census be undertaken every ten years to determine the appropriation of seats in the United States House of Representatives and for the collection of taxes. The United States was the first nation to legislate a regularly held census.
For More Information
"1900 Overview." United States Census Bureau, Department of Commerce, Washington, DC.