| Title | 1820 United States Federal Census | |
| Author | Ancestry.com | |
| Publisher | Online publication - Provo, UT, USA: The Generations Network, Inc., 2004.Original data - United States of America, Bureau of the Census. Fourth Census of the United States, 1820. Washington, D.C.: National Archives and Records Administration, 1820. M33, 14 | |
| Repository | Ancestry.ca | |
| _APID | 1,7734::0 | |
| Source ID | S_2139436237 | |
