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2011 Census results

Explore the full range of outputs, reports and supporting materials from the 2011 Census.

About this data

This census data provides insights into the population, housing and social characteristics of Northern Ireland. It helps inform policy, planning and research.

How to explore the data

You can search all 2011 Census tables by topic using our 2011 Census table lookup tool.

Data quality and standards

All statistical outputs are produced in line with the code of practice for statistics. They are regulated by the Office for Statistics Regulation (OSR). This ensures transparency, trustworthiness and quality in all published data.

contents

Population and household estimates

Find census estimates for Northern Ireland's population and households.

Key Statistics

Key Statistics from the 2011 Census offer summary data across major topics and areas in Northern Ireland.

Quick Statistics

Quick Statistics from the 2011 Census offer detailed single-topic data across themes and areas in Northern Ireland.

Detailed Characteristics

Explore 2011 Census Detailed Characteristics publications for Northern Ireland.

Local Characteristics

Explore 2011 Census Local Characteristics publications for Northern Ireland.

Alternative populations

Statistics are available for three alternative populations: short-term resident population, daytime population and workplace population.

Specialist products

Access unique census outputs developed for specific research and policy needs.

Commissioned output

Explore commissioned census tables created for specific user requests.

Grid square

Explore population and household statistics mapped to 1 kilometre and 100 metre grid squares.

UK census outputs

Explore UK-wide statistics from the 2011 Census.

Headcount and household estimates

Explore population and household estimates from the 2011 Census in Northern Ireland.

Ireland and Northern Ireland

A unique snapshot of life across Ireland and Northern Ireland from the 2011 Census.

Supporting information

Find key documents that explain how the 2011 Census data was produced and presented.

Related to 2011 Census results

Publications

  • CT0629NI Passports Held (Classification 1) by Age

    Published 08 July 2026
  • CT0624NI Household Deprivation

    Published 29 April 2026
  • CT0627NI Household Deprivation in the Health and Disability Dimension

    Published 29 April 2026
  • CT0625NI Household Deprivation in the Education Dimension

    Published 29 April 2026
  • CT0628NI Household Deprivation in the Housing Dimension

    Published 29 April 2026
  • CT0626NI Household Deprivation in the Employment Dimension

    Published 29 April 2026
See all publications in this topic

Links

  • Official Statistics producer – Upholding Trust, Quality and Value
  • General Register Office - registration and certification of life events relating to births, deaths and marriages
  • nidirect.gov.uk – the official government website for Northern Ireland citizens
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