2011 and earlier censuses

Find information and reports from the 2011 Census and earlier.

Data and reports for the 2001 and 2011 Censuses are available for download.

Reports from 1926 to 1991 are also available as downloadable PDFs, digitised from the original paper publications.

2011 Census

Information on the 2011 Census in Northern Ireland, including how to access the data and supporting documents.

2001 Census

The census in Northern Ireland was taken on 29 April 2001.

1991 Census

The census in Northern Ireland was taken on 21-22 April 1991.

1981 Census

The census in Northern Ireland was taken on 5-6 April 1981.

1971 Census

The census in Northern Ireland was taken on 25-26 April 1971.

1966 Census

The census in Northern Ireland was taken on 9-10 October 1966.

1961 Census

The census in Northern Ireland was taken on 23-24 April 1961.

1951 Census

The census in Northern Ireland was taken on 8-9 April 1951.

1937 Census

The census in Northern Ireland was taken on 28 February – 1 March 1937.

1926 Census

The census in Northern Ireland was taken on 18-19 April 1926.

All Ireland Censuses (pre 1921)

The Online Historical Population Reports (Histpop) website provides access to all the reports from the 1821 to 1911 Censuses of Ireland.

History of the census

Exploring the origins and evolution of census taking.

Last updated: 16 June 2025