This page gives details of the United Kingdom census collections at ancestry.
This page gives details of the census collections at FamilySearch.
This free site has some census records for the United Kingdom from 1841 to 1891.
One of the first places I accessed census records for England, Wales & Scotland was at Origins.net. Since Origins.net has now been taken over by Findmypast, these records can now be found at FindMyPast. The record collections for England and Wales were on British Origins. The collections I accessed were
- 1841 England Census
- 1841 Wales Census
- 1861 England Census
- 1871 England Census
The census records for Scotland were on Scots Origins. The census collection I accessed was:
- 1881 Scotland Census
This page gives details of the census collections for Scotland at the ScotlandsPeople website.
This site has census records from 1841 to 1911. A subscription is required to view the records.