2021 Census
Page updated on: 18/09/2024
Census Day was held on Sunday 21 March 2021, with a return rate of 97.2%, the highest level since 1991, with over 80% of returns completed online.
The analysis of this data has been co-ordinated by the Data Insight Team and published under the released topic themes below.
The Office for National Statistics (ONS) have produced a tool ‘Build a custom area profile’ which allows you to get 2021 Census data by different area types, for example your neighbourhood, ward or parish.
You can:
• find an area by name or postcode
• draw your own area on a map
• choose different topics from Census 2021 data
• save the area you have drawn to use again
• export your area profile as an image or spreadsheet (CSV)
• add your profile to a website
If you have any queries, please contact the Data Insight Team at data@carmarthenshire.gov.uk
The following data relates to population and household estimates (rounded to the nearest 100) at a Carmarthenshire level by sex and age. National level comparators have been provided in the documents below, as well as an analysis of changes compared with the last census (2011).
Carmarthenshire Summary Infographic
Carmarthenshire Usual Resident Population
To compare data at a local authority level utilise this interactive dashboard.
The following data relates to demography and migration at a Carmarthenshire level. National level comparators have been provided in the documents below, as well as an analysis of changes compared with the last census (2011).
The following data relates to residents of Carmarthenshire that have previously served in the Armed Forces or UK Reserve Forces. This data was not collected previously. This data is available at a Carmarthenshire level and national level comparators have been provided in the document below.
The following data relates to ethnic group, national identity, language and religion at a Carmarthenshire level. National level comparators have been provided in the documents below, as well as an analysis of changes compared with the last census (2011).
The following data relates to the number of Welsh speakers in the county and a breakdown of Welsh language skills. The documents below provide a summary of the data at a Carmarthenshire and Wales level, as well as ward level information where possible. The analysis included summarises how the data has changed since the last census (2011).
Welsh Language comparative charts
The following data relates to labour market and travel to work data at a Carmarthenshire level. National level comparators have been provided in the documents below, as well as an analysis of changes compared with the last census (2011).
The following data relates to housing and vehicle ownership at a Carmarthenshire level. National level comparators have been provided in the documents below, as well as an analysis of changes compared with the last census (2011).
The following data relates to sexual orientation and gender identity at a Carmarthenshire level. National level comparators have been provided in the documents below, as well as an analysis of changes compared with the last census (2011).
Sexual Orientation and Gender Identity
The following data relates to qualifications and students at a Carmarthenshire level. National level comparators have been provided in the documents below, as well as an analysis of changes compared with the last census (2011).
The following data relates to health, disability and unpaid care at a Carmarthenshire level. National level comparators have been provided in the documents below, as well as an analysis of changes compared with the last census (2011).
Health, disability and the provision of unpaid care
Council & Democracy
The Council
Councillors, AMs and MPs
- Your County Councillor
- Public Participation Strategy and Petition Scheme
- Councillor allowances and interests
- Town & Community Councillors
- Members of Welsh Parliament
- Members of Parliament
- Become a Councillor
Council departments
Have your say
- Flood Risk Management Plan-2 (2025-2030)
- Crime and Disorder Survey
- Carmarthenshire Revised Local Development Plan 2018 – 2033 - Revised LDP Additional Sites Consultation.
- Habitats Regulations Assessment for the 2nd Deposit Revised Local Development Plan 2018-2033 (Additional Sites)
- Integrated Sustainability Appraisal for the 2nd Deposit Revised Local Development Plan 2018-2033 (Additional Sites)
- Llanelli Multimodal Transport Interchange
- A484 Sandy Road Improvements (Sandy Road/Maes Y Coed)
- Draft Green and Blue Infrastructure Strategy Public Consultation
- Draft Allotment and Community Growing Strategy Public Consultation
- Budget Consultation 2025
- Llandovery Active Travel Improvements
- Carmarthenshire County Council Play Survey 2024
- A Community Transport Strategy for Carmarthenshire
- Draft Supplementary Planning Guidance: Carmarthenshire Shopfront Design Guide
- Draft Supplementary Planning Guidance: Conservation Areas: An Essential Guide to their Enhancement
- Draft Supplementary Planning Guidance: Appropriate Repair, Maintenance and Energy Efficiency in Traditional Buildings: Guidance for Sustainability
- Draft Supplementary Planning Guidance: Methodology for Determining Sites of Importance for Nature Conservation (SINCs) in Carmarthenshire
- Draft Supplementary Planning Guidance: Open Space
- Draft Supplementary Planning Guidance: Welsh Language
- Additional Licensing Scheme for HMOs
- Active Travel Carmarthen
- Llanelli Active Travel Engagement
- Gambling Policy Review
- Local Flood Risk Management Strategy 2024-2030
- Modernising Education Programme Strategy
- Social Housing Allocations policy
- Allotment and Community Growing Survey
- Habitats Regulations Assessment for the 2nd Deposit Revised Local Development Plan 2018-2033
- Integrated Sustainability Appraisal for the 2nd Deposit Revised Local Development Plan 2018-2033
- STAR Tenant Satisfaction Survey
- Actif Places Consultation
- Carmarthenshire Residents Survey 2024
Committees & Meetings
Strategies and plans
- Corporate Safeguarding Policy November 2023
- Digital Strategy 2024 - 2027
- Modernising Education Strategy
The Council Budget
Council Budget
- Budget Digest
- Statement of accounts
- Dyfed Pension Fund
- Education through regional working (ERW)
- Swansea Bay City Deal
- Simple ways to save the Council money
Council Performance
- Performance Management
- Audit Inspections & Reports
- The Well-being of Future Generations Act
- Council's Annual Report 2023-24
Public notices
Brexit guidance
Welsh Language
Equality & Diversity
Armed Forces Covenant
Elections & Voting
- UK Parliamentary General Election
- Police and Crime Commissioner Elections 2024
- Senedd Elections 2026
- Voting
- Eligibility to vote
- How do I vote?
- Changes to Postal and Proxy Voting
- Register to vote
- Update your details on the Electoral Register
- How to opt-out of the open register
- Viewing the Electoral Register
- By-elections
- My nearest - Election information
- Help for Disabled Voters
- Voter ID
- Recruitment for elections
- Community Review - Llanboidy and Whitland Community Council Areas