Census Bureau's "By Decade" website - includes a variety of publications, questionnaires, datasets, and more
Questions asked (see questionnaire)
In 1810, the slate of questions asked by assistant U.S. marshals was identical to the 1800 census. This census recorded the name of the county, parish, township, town, or city in which each family resided. Each family was listed by the name of the head of household and asked the following questions:
Social Explorer - remote access limited to UCSD affiliates
Find all 1810 census publications in the Library catalog.
Aggregate Amount of each description of persons within the United States of America [C 3.14:810/1, C 3.14:810/1/reprint]
A Statement of the arts and manufactures of the United States of America [C 3.14:810/2, C 3.14:810/2/reprint]