Editing County Down (section)

==Demography==
{{bar box
|title = Religious Background in Down (2021)
|titlebar=#ddd |left1=Religion |right1=Per cent |float=right
|bars =
{{bar percent|[[Protestant]] and Other Christian|Blue|53.5}}
{{bar percent|[[Catholic]]|DarkOrchid|32.3}}
{{bar percent|None|grey|12.7}}
{{bar percent|Other faiths|grey|1.5}}
}}
As of the [[2021 United Kingdom census|2021 census]], County Down had a population of 552,261, making it the second most populous county in Northern Ireland.<ref name="2021 pop"/>

=== Community background and religion ===
{| class="wikitable"
|+Religion or religion brought up in (2021 Census)<ref>{{cite web |title=Religion or religion brought up in |url=https://build.nisra.gov.uk/en/custom/data?d=PEOPLE&v=COUNTY_NI&v=RELIGION_BELONG_TO_OR_BROUGHT_UP_IN_DVO&%7ECOUNTY_NI=4 |website=NISRA |access-date=18 August 2023}}</ref>
!Religion or religion brought up in
!Number
!%
|-
|Protestant and Other Christian
|296,228
|53.54%
|-
|Catholic
|178,523
|32.27%
|-
|None (no religion)
|70,046
|12.66%
|-
|Other religion
|8,464
|1.53%
|-
!Total
!553,261
!100.00%
|}

=== National identity ===
{| class="wikitable"
|+National identity (2021 Census)<ref>{{cite web |title=National Identity (British) |url=https://build.nisra.gov.uk/en/custom/data?d=PEOPLE&v=COUNTY_NI&v=NAT_ID_BRITISH&%7ECOUNTY_NI=4 |website=NISRA |access-date=18 August 2023}}</ref><ref>{{cite web |title=National Identity (Irish) |url=https://build.nisra.gov.uk/en/custom/data?d=PEOPLE&v=COUNTY_NI&v=NAT_ID_IRISH_AGG3&%7ECOUNTY_NI=4 |website=NISRA |access-date=18 August 2023}}</ref><ref>{{cite web |title=National Identity (Northern Irish) |url=https://build.nisra.gov.uk/en/custom/data?d=PEOPLE&v=COUNTY_NI&v=NAT_ID_NORTHERN_IRISH_AGG3&%7ECOUNTY_NI=4 |website=NISRA |access-date=18 August 2023}}</ref><ref>{{cite web |title=National identity (person based) - basic detail (classification 1) |url=https://build.nisra.gov.uk/en/custom/data?d=PEOPLE&v=COUNTY_NI&v=NAT_ID_BASIC&%7ECOUNTY_NI=4 |website=NISRA |access-date=18 August 2023}}</ref>
!National identity
!Number
!%
|-
|British only
|208,523
|37.69%
|-
|Irish only
|102,174
|18.47%
|-
|Northern Irish only
|120,003
|21.69%
|-
|British and Northern Irish only
|58,256
|10.53%
|-
|Irish and Northern Irish only
|9,820
|1.78%
|-
|British, Irish and Northern Irish only
|12,605
|2.28%
|-
|British and Irish only
|4,421
|0.80%
|-
|Other identity
|37,459
|6.77%
|-
!Total
!553,261
!100.00%
|-
!All Irish identities
!131,143
!23.70%
|-
!All British identities
!290,524
!52.51%
|-
!All Northern Irish identities
!204,276
!36.92%
|}

===Irish language and Ulster Scots===
According to the 2021 UK census in County Down:
* 8.04% claim to have some knowledge of the Irish language, whilst 2.35% claim to be able to speak, read, write and understand spoken Irish. 1.15% claim to use Irish daily. 0.13% claim that Irish is their main language.
* 9.85% claim to have some knowledge of Ulster Scots, whilst 1.01% claim to be able to speak, read, write and understand spoken Ulster Scots. 1.34% claim to use Ulster Scots daily.