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Census Research Guide: 1820

About the 1820 Census

Census Bureau's "By Decade" website - includes a variety of publications, questionnaires, datasets, and more


  • 4th decennial census
  • US population: 9,638,453
  • First census to ask about occupation/employment

Questions asked (see questionnaire)

Name of head of family; age; sex; race; foreigners not naturalized; slaves; industry (agriculture, commerce, and manufactures).


For more information on this map:

Map Guide to the U.S. Federal Censuses, 1790 - 1920

Finding Statistics

Social Explorer - remote access limited to UCSD affiliates

Finding Publications

Find all 1820 census publications in the library catalog.

Selected publications:

Census for 1820 [C 3.14:820/1 and C 3.14:820/1/reprint and HA201 1820]

Digest of accounts of manufacturing establishments in the United States, and of their manufactures [C 3.14:820/2/reprint]