The census is a survey that happens every 10 years and is run by the Office for National Statistics (ONS).

It gives us the most accurate estimate of all the people and households in England and Wales. The information you give helps decide how services are planned and funded in your local area. This could mean things like doctors’ surgeries, housing or new bus routes.

It asks questions about you and your household to build a picture of all of us. It looks at who we are and how we live. There’s no other survey that gives as much information about our society and future needs.

Census day is 21 March 2021. However, households will receive a letter in the post in early March, giving them details of how to take part in the mandatory survey. They will receive either a paper questionnaire to complete or a unique access code, inviting them to complete the survey online. Although paper questionnaires are available on request from the Census Contact Centre.

The census helps us understand what our society needs now and what it will likely need in the future. The information it collects helps with decisions on the planning and funding of services in your area. This could include schools, doctors’ surgeries, emergency services or even local support groups.

Charities also use census information to help get the funding they need. Businesses use it to decide where to set up, which creates job opportunities.

The census will take around 10 minutes per person to complete. It’s easy to do and can be done on any device, including a computer, laptop, tablet or mobile phone.

Translation booklets are available to download. If your language is not represented, please contact the Customer Contact Centre from the 1st of March onwards.

The help pages at explain how you can get help. These include general guidance, language assistance and a wide range of accessible formats including video and audio guides (English and Welsh). You can also phone the Census Contact Centre from the 1st of March onwards or visit one of our support centres offering assistance.

The safety of your information is a top priority for the ONS. No one can identify you in the census statistics we publish. ONS make sure that it contains none of your personal information. Your census record is kept secure for 100 years and only then can future generations see it.

After Census Day, at the end of March and into April, the Census Field Officers will be visiting households who haven’t completed their Census form in Ceredigion. They will encourage people to complete the Census and help you to access further help if you need it. The Field Officers will be wearing PPE and working in line with government guidance. They will never need to enter your house. They will operate in the same way as a postal or food delivery visit.

You must complete the census by law. If you do not, or if you supply false information, you could be fined up to £1,000. Some questions are clearly labelled as voluntary. It is not an offence if you do not answer these.

Where can I get further information?

Please visit for more information, and any questions you have, about the census.

ONS’ free Census Contact Centre opens on 1st of March. From then, you can get in touch with the ONS by phone, webchat, email or text message. The Census Contact Centre Number will be available on the ONS website: shortly.

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Census facts

At the time of the last census…

  • 75,922 people lived in Ceredigion, including 11,318 students
  • There were 2,063 farmers, the most common occupation
  • 11 people were boat and ship builders and repairers
  • There were 676 nurses
  • 72 people were furniture makers and other craft woodworkers
  • Nearly 18,000 of you used a car or van to drive to work, although over 7,000 of you (more than a fifth) worked from home
  • Ceredigion was made up of 164 different ethnicities
  • Other than the UK, Poland was the top country of birth, with Polish the most popular language other than English or Welsh, spoken by 663 of you
  • There were 94 households with 8 or more people
  • 349 people said they were Jedi Knights