"1880 Census: Instructions to Enumerators." Integrated Public Use Microdata Series, Minnesota Population Center, University of Minnesota, Minneapolis, MN.
The Federal Census of 1880 contains schedules for Vienna Township, Trumbull County, Ohio. The population of the Township in 1880 was 1,994. The population of Ohio was 3,198,062. The total population of the United States in 1880 was 50,189,209.
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. This ninth census taken in the United States recorded the population as of June 1, 1870.
The 1880 census was the first to allow women to work as enumerators."1880 Overview." United States Census Bureau, Department of Commerce, Washington, DC.
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