USA census dates
Census data can be very useful for the family historian. If you are aware of the date that the census was conducted, it can help in determining the correct date of birth. Below is listed the official dates that the U.S. Federal Census was taken "as of". However, be aware that the actual date does not always correspond to the official date.
US Census
- 1790 - 2 August
- 1800 - 4 August
- 1810 - 6 August
- 1820 - 7 August
- 1830 - 1 June
- 1840 - 1 June
- 1850 - 1 June
- 1860 - 1 June
- 1870 - 1 June
- 1880 - 1 June
- 1890 - 1 June
- 1900 - 1 June
- 1910 - 15 April
- 1920 - 1 January
- 1930 - 2 April 2 (in Alaska it began on 1 October 1929)