Editing Castlederg (section)

===2021 Census===
On Census Day (21 March 2021) the usually resident population of Castlederg Settlement was 2,980.<ref name="2021 pop">{{cite web |title=Settlement 2015 |url=https://build.nisra.gov.uk/en/custom/data?d=PEOPLE&v=SETTLEMENT15&%7ESETTLEMENT15=N11000619 |website=NISRA |access-date=21 August 2023}}</ref> Of these:
* 20.20% were aged under 16, 60.64% were aged between 16 and 65, and 19.16% were aged 66 and over.<ref>{{Cite web |title=Preview data for Age {{!}} NISRA Flexible Table Builder |url=https://build.nisra.gov.uk/en/custom/viewdata?d=PEOPLE&v=SETTLEMENT15&v=AGE_BAND_AGG3&~SETTLEMENT15=N11000619 |access-date=2024-03-28 |website=build.nisra.gov.uk}}</ref>
* 52.75% of the population were female and 47.25% were male.<ref>{{Cite web |title=Preview data for Sex (MS-A07) {{!}} NISRA Flexible Table Builder |url=https://build.nisra.gov.uk/en/custom/viewdata?d=PEOPLE&v=SETTLEMENT15&v=UR_SEX&~SETTLEMENT15=N11000619 |access-date=2024-03-28 |website=build.nisra.gov.uk}}</ref>
* 57.25% belong to or were brought up Catholic, 38.19% belong to or were brought up Protestant (including other Christian denominations), 0.94% belonged to or were brought up in an 'other' religion, and 3.62% [[Irreligion|did not adhere]] to or had no religion.<ref>{{cite web |title=Religion or religion brought up in |url=https://build.nisra.gov.uk/en/custom/data?d=PEOPLE&v=SETTLEMENT15&v=RELIGION_BELONG_TO_OR_BROUGHT_UP_IN_DVO&%7ESETTLEMENT15=N11000619 |website=NISRA |access-date=17 August 2023}}</ref> 
* 39.83% indicated they had an Irish national identity,<ref>{{Cite web |title=Preview data for National Identity (Irish) {{!}} NISRA Flexible Table Builder |url=https://build.nisra.gov.uk/en/custom/viewdata?d=PEOPLE&v=SETTLEMENT15&v=NAT_ID_IRISH_AGG3&~SETTLEMENT15=N11000619 |access-date=2024-03-28 |website=build.nisra.gov.uk}}</ref> 33.96% indicated they had a British national identity,<ref>{{Cite web |title=Preview data for National Identity (British) {{!}} NISRA Flexible Table Builder |url=https://build.nisra.gov.uk/en/custom/viewdata?d=PEOPLE&v=SETTLEMENT15&v=NAT_ID_BRITISH&~SETTLEMENT15=N11000619 |access-date=2024-03-28 |website=build.nisra.gov.uk}}</ref> 32.38% indicated they had a Northern Irish national identity,<ref>{{Cite web |title=Preview data for National Identity (Northern Irish) {{!}} NISRA Flexible Table Builder |url=https://build.nisra.gov.uk/en/custom/viewdata?d=PEOPLE&v=SETTLEMENT15&v=NAT_ID_NORTHERN_IRISH_AGG3&~SETTLEMENT15=N11000619 |access-date=2024-03-28 |website=build.nisra.gov.uk}}</ref> and .4.46% indicated they had an 'other' national identity.<ref>{{Cite web |title=Preview data for National identity (person based) – basic detail (classification 1) (MS-B15) {{!}} NISRA Flexible Table Builder |url=https://build.nisra.gov.uk/en/custom/viewdata?d=PEOPLE&v=SETTLEMENT15&v=NAT_ID_BASIC&~SETTLEMENT15=N11000619 |access-date=2024-03-28 |website=build.nisra.gov.uk}}</ref> (respondents could indicate more than one national identity)
* 13.36% had some knowledge of [[Irish language|Irish]] (Gaeilge) and 10% had some knowledge of [[Ulster Scots dialect|Ulster Scots]].<ref>{{Cite web |title=Preview data for Knowledge of Irish (MS-B05) {{!}} NISRA Flexible Table Builder |url=https://build.nisra.gov.uk/en/custom/viewdata?d=PEOPLE&v=SETTLEMENT15&v=IRISH_SKILLS_INTERMEDIATE&~SETTLEMENT15=N11000619 |access-date=2024-03-28 |website=build.nisra.gov.uk}}</ref><ref>{{Cite web |title=Preview data for Knowledge of Ulster-Scots (MS-B08) {{!}} NISRA Flexible Table Builder |url=https://build.nisra.gov.uk/en/custom/viewdata?d=PEOPLE&v=SETTLEMENT15&v=ULSTER_SCOTS_SKILLS_INTERMEDIATE&~SETTLEMENT15=N11000619 |access-date=2024-03-28 |website=build.nisra.gov.uk}}</ref>