First Census of the United States, 1790. M637. 12 rolls
U.S. National Archives and Records Administration
The six inquiries in the 1790 Census called for the name of the head of the family and the number of persons in each household of the following descriptions:
Free White males of 16 years and upward (to assess the country's industrial and military potential)
Free White males under 16 years
Free White females
All other free persons
Slaves