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Census Research Guide: 1790

About the 1790 Census

Census Bureau's "By Decade" website

Includes a variety of publications, questionnaires, datasets, and more


  • 1st decennial census
  • US population: 3,929,625

Questions asked (see questionnaire)

In 1790, assistant marshals listed the name of each head of household, and asked the following questions:

  • The number of free White males aged:
    • under 16 years
    • of 16 years and upward
  • Number of free White females
  • Number of other free persons
  • Number of slaves

Map coverage of the 1790 census


Find all 1790 census publications in the library.

Key publications:

Print available in the Library

 Online access

Return of the whole number of persons within the several districts of the United States
[C 3.14:790 and C 3.14:790/rep and XP 510]

 Census Bureau


 Univ. of Michigan