The population of Derry City and Strabane was 150,756 at the time of the 2021 Census, which made it the
5th largest area.
An increase of 2.1% since the 2011 Census.
Population is based on the number of usual residents. A usual resident is anyone who, on 21 March 2021 is in the UK, and staying in the UK for a period of 3 months or more; or has a permanent UK address and is outside the UK and is staying outside the UK for less than 12 months. Statistical bulletins
A household is either one person living alone or a group of people living at the same address who share cooking facilities and share a living room, sitting room or dining area. Statistical bulletins
Broad age bands (years) ⓘ
A grouping of ages where a person’s age is their age at their last birthday on or prior to census day. Statistical bulletins
0-14 years 20% 15-39 years 31% 40-64 years 33% 65+ years 16%
Language Statistics Derry City and Strabane - Census 2021
Main language ⓘ
Person's main language as declared in the Census. Statistics for all language questions are restricted to persons aged 3 and over. Statistical bulletins
Other languages 2%
Knowledge of Irish ⓘ
A person has some ability in Irish if they can understand, speak, read or write Irish. Statistics for all language questions are restricted to persons aged 3 and over. Statistical bulletins
No ability in Irish 84%
Some ability in Irish 16%
Knowledge of Ulster-Scots ⓘ
A person has some ability in Ulster-Scots if they can understand, speak, read or write Ulster-Scots. Statistics for all language questions are restricted to persons aged 3 and over. Statistical bulletins
No ability in Ulster-Scots 94%
Some ability in Ulster-Scots 6%
Religion and Ethnicity Statistics Derry City and Strabane - Census 2021
The religious group the person belongs to or for people with no current religion their religious group of upbringing. People with no current religion and no religion of upbringing are labelled 'None'. Statistical bulletins
This web application is based on and inspired by the ONS Digital Content team prototypes.
It has been modified by NISRA and released as a prototype to explore Census data for Northern Ireland. We welcome feedback from users through our short survey.