2011 Census

Explore data and resources from the 2011 Census in Northern Ireland, including how to access datasets, reports, and supporting documents.

On census day, 27 March 2011, Northern Ireland’s population was 1,810,863 across 703,275 households.

2011 Census results

Information about the 2011 Census outputs, reports and supporting information.

2011 Census analysis

Selection of short stories developed from the 2011 Census outputs.

2011 Census background

Introduction to the 2011 Census in Northern Ireland, including information on the design, definitions and questionnaires.

2011 Census evaluation

Reports evaluating each major stage of the 2011 Census operation, from planning and development through to publication of results.