Information about Census 2021 statistics, and supporting materials.

Try our Flexible Table Builder to create your own custom Census 2021 tables. Data for new parliamentary constituencies just added.

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Flexible Table Builder

Census 2021 Flexible Table Builder is live at

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Area explorer

We have updated our census area explorer to include more data for District Electoral Areas, Super Data Zones and Data Zones.

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Main statistics

Main Statistics (MS) tables provide summary statistics for the majority of census questions and topics.

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Population and household estimates

These first results from Census 2021 provide the usual resident population and number of households in Northern Ireland.

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Grid Square

Census 2021 Grid Square product provides basic census statistics for a combination of 1 kilometre and 100-metre grid squares in Northern Ireland.

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Commissioned outputs

Census 2021 commissioned outputs are produced in response to user requests.

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Census output geography

Understanding census statistical output geography.

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Quality notes, issues and corrections

Details of quality notes, issues, and corrections to published Census 2021 data.

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Revisions and corrections policy

Outlines the revisions and corrections policy for census outputs.

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