2021 census first release

On 28 June 2022 ONS released the first results from the 2011 Census of England and Wales comprising for each local authority the estimated population at census day (21 March 2021) and the number of households. Population estimates are by five-year age band and sex. Estimates of responses rates for each local authority were also published. Read our blog post which describes how the census data relates to other population estimates and some of the pitfalls to avoid when interpreting the numbers.

Data and Resources

Additional Info

Field Value
Source https://data.london.gov.uk/dataset/2021-census-first-release-2n1y8
Last Updated February 11, 2026, 13:47 (UTC)
Created October 22, 2025, 12:07 (UTC)
GUID 2n1y8
Language
dcat_issued 2022-06-27T12:28:21.000Z
dcat_modified 2022-06-30T11:32:01.000Z
harvest_object_id 95d84ebd-e906-4f45-8b5b-9438ebf590c7
harvest_source_id a3e8ccdb-5c53-4b4b-9db7-ae23b3e3e29f
harvest_source_title london