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About the 2021 census

The census is a national survey that takes place every 10 years to count households and population in England and Wales. The last census day was on 21 March 2021.

The Office for National Statistics (ONS) organises the census in partnership with local authorities, including South Gloucestershire Council.

Why census data is collected 

Information from the census will help decide how services are planned and funded in your local area. This could mean things like doctors’ surgeries, housing, and new bus routes. By taking part, you will be helping make sure you and your community get the services needed now and in the future.

Information from the census is also important in helping lots of other people and organisations do their work.

This includes:

  • charities and voluntary organisations using it as evidence to get funding
  • helping businesses to understand their customers (for example, decide where to open new shops)
  • researchers (like university students and people looking into their family history)

It provides data on population diversity, allowing organisations to know whether they are meeting their responsibilities and taking action where necessary.

You cannot be identified in the statistics published. Your personal information is protected by law and is kept secure for 100 years.

2021 census results

The Office for National Statistics published the first release of data from the 2021 census on 28 June 2022.

The population estimate for South Gloucestershire is 290,400. This is an increase of 10.5% compared to the recorded population in 2011 (262,800).

You can read the Census 2021:

If you have any queries you can contact us by email at

Find out more about your Census data and security.

More information on the 2021 Census can be found on the Office for National Statistics website.

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