Census of 1840

The Federal Census of 1840 contains schedules for Vienna Township, Trumbull County, Ohio. The population of the Township in 1840 was 969. The population of Ohio was 1,519,467. The total population of the United States in 1840 was 17,069,453. Of this number 2,487,355 were enslaved.

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 sixth census taken in the United States record the population as o June 1, 1840.

Enumerators of the 1840 Federal Census were required to use for the first time in the Census's history printed schedules. The enumerators collected the following information:
  • name of head of household;
  • number of free white males and females in age categories 0-5, 5-10, 10-15, 15-20, 20-30, 30-40, 40-50, 50-60, 60-70, 70-80, 80-90, 90-100, 100 and older;
  • name of slave owner and number of slaves owned by that person
  • number of male and female slaves and free "colored" persons in age categories;
  • number of foreigners (not naturalized as U.S. citizens) in a household;
  • number of deaf, dumb, and blind persons in a household;
  • number of insane and idiotic in public or private charge, by race, 
  • number of persons in each family employed in seven occupational classes;
  • number of schools and number of scholars;
  • number of white persons over age 20 who could not read and write;
  • number of pensioners for Revolutionary or military service; and
  • town or district and county of residence.

Vienna Township, 1840


For More Information
"1840 Overview." United States Census Bureau, Department of Commerce, Washington, DC.