The 1801 Census was carried out on March 10th, 1801 . This is a complete list of all the reports published from the 1801 census, but a shorter listing showing just those reports from which Vision of Britain can present text or statistics is available here.

Great Britain

Report Yr. of Publ. Reference within British Parliamentary Papers
Abstract of answers    
Abstracts of the Answers and Returns: Enumeration. Part II Scotland 1802 1801 vi (140) 813
Abstracts of the Answers and Returns: Enumeration. Part I England and Wales 1801 1801 vi (140) 813
Abstracts of the Answers and Returns: Parish Registers 1801 1801-2 vi, vii (140, 9, 112) 813