# Carrick Castle C1 South east Mid and East Antrim. 808 people (mid-2024 estimate) in 1.2 square kilometres. Carrick Castle C1 had 836 usual residents at the census (NISRA Census 2021). Neighbourhood. Code N20002768. In: [Northern Ireland](https://openindex.co.uk/northern-ireland) › [Mid and East Antrim](https://openindex.co.uk/mid-and-east-antrim) ## Key figures - **Population: 836** (2021). Carrick Castle C1 had 836 usual residents at the census (NISRA Census 2021). Joint 9,059th least populated of 46,844. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/mid-and-east-antrim/neighbourhood/n20002768#f-population - **Gigabit broadband coverage: 99.3%** (January 2026). In Carrick Castle C1, 99.3% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026. https://openindex.co.uk/mid-and-east-antrim/neighbourhood/n20002768#f-gigabit-coverage - **Aged 15 to 64: 71.7%** (2021). 71.7% of residents in Carrick Castle C1 were aged 15 to 64 at the census (NISRA Census 2021). Joint 4,911th highest of 46,844. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/mid-and-east-antrim/neighbourhood/n20002768#f-age-15-to-64 - **Aged 65 and over: 10.0%** (2021). 10.0% of residents in Carrick Castle C1 were aged 65 or over at the census (NISRA Census 2021). Joint 6,856th lowest of 46,844. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/mid-and-east-antrim/neighbourhood/n20002768#f-age-65-and-over ## On the map - [Gigabit coverage by neighbourhood](https://openindex.co.uk/map/gigabit-broadband#place=N20002768) (Connected Nations (Ofcom) · January 2026): In Carrick Castle C1, 99.3% of homes and businesses could get gigabit-capable broadband in January 2026. - [Average house price by council](https://openindex.co.uk/map/house-prices#place=N20002768) (UK House Price Index · August 2026): Published for whole councils, so the map colours all of Mid and East Antrim. The outline is Carrick Castle C1. - [Crime and ASB by neighbourhood](https://openindex.co.uk/map/recorded-crime#place=N20002768) (Police recorded crime and outcomes (data.police.uk) · August 2026): Police recorded 0 crimes and anti-social behaviour incidents in Carrick Castle C1 in August 2026. - [Population by neighbourhood](https://openindex.co.uk/map/population#place=N20002768) (Census 2021, England and Wales): Carrick Castle C1 had 836 usual residents at the census. Northern Ireland Multiple Deprivation Measure 2017 is published for the Super Output Areas (2001), whose boundaries differ from this neighbourhood’s, so it has no figure for Carrick Castle C1. [See deprivation across Mid and East Antrim](https://openindex.co.uk/mid-and-east-antrim/deprivation) ## How Carrick Castle C1 compares Each neighbourhood against every other neighbourhood the measure covers. | Measure | Carrick Castle C1 | Rank | Compared with | | --- | --- | --- | --- | | Population | 836 | 4th most populated | 289 neighbourhoods, Mid and East Antrim · 2021 | | Gigabit broadband coverage | 99.3% | joint 129th highest | 289 neighbourhoods, Mid and East Antrim · Jan 2026 | | Aged 15 to 64 | 71.7% | joint 17th highest | 289 neighbourhoods, Mid and East Antrim · 2021 | | Aged 65 and over | 10.0% | 28th lowest | 289 neighbourhoods, Mid and East Antrim · 2021 | ## Is Carrick Castle C1 safe? What police records show In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Carrick Castle C1 at a rate of 16.1 per 1,000 people. That compares with 23.8 per 1,000 people across Carrick Castle C. Across Northern Ireland as a whole, the recorded crime rate was 70.2 per 1,000 people. In August 2026 alone, 0 cases of crime and anti-social behaviour were recorded in Carrick Castle C1. In the 12 months to August 2026, the most common types were anti-social behaviour (6), violence and sexual offences (2) and burglary (2). Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates. Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest. ## Figures for the whole of Mid and East Antrim These figures are published for the whole of Mid and East Antrim, not for each neighbourhood, so they describe all of Mid and East Antrim and not Carrick Castle C1 alone. [See Mid and East Antrim](https://openindex.co.uk/mid-and-east-antrim) - **Average house price: £177,450** (August 2026). Mid and East Antrim’s average house price was £177,450 in August 2026 (HM Land Registry). Up 8.2% in a year. Source: UK House Price Index, August 2026. Published 21 October 2026. - **Population estimate: 139,964** (2025). Mid and East Antrim’s population was an estimated 139,964 in mid-2025 (ONS population estimates). No change in a year. Source: Mid-year population estimates, 2025. Published 1 October 2026. - **Female life expectancy: 83.1 years** (2022 to 2024). A baby girl born in Mid and East Antrim could expect to live 83.1 years, based on deaths in 2022 to 2024 (ONS life expectancy). UK 83.0 years. Source: Life expectancy for local areas of the UK, 2022 to 2024. Published 10 December 2025. - **People in radon Affected Area squares: 24%** (2022). About 24% of people in Mid and East Antrim live in a 1 km square that the radon atlas marks as a radon Affected Area. UK 44%. Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022. ## Carrick Castle C1 in brief Carrick Castle C1 had 836 usual residents at the census. In Carrick Castle C1, 99.3% of homes and businesses could get gigabit-capable broadband in January 2026. 71.7% of residents in Carrick Castle C1 were aged 15 to 64 at the census. 10.0% of residents in Carrick Castle C1 were aged 65 or over at the census. ## About - Type: Neighbourhood - Code: N20002768 - Middle area: [Carrick Castle C](https://openindex.co.uk/mid-and-east-antrim/carrick-castle-c) - Ward: [Kilroot †](https://openindex.co.uk/mid-and-east-antrim/ward/kilroot) - Constituency: [East Antrim †](https://openindex.co.uk/constituency/east-antrim) - Council: [Mid and East Antrim](https://openindex.co.uk/mid-and-east-antrim) - Nation: [Northern Ireland](https://openindex.co.uk/northern-ireland) - Area: 1.19 km² - People, mid-2024: 808 † Best fit: the ward and constituency this neighbourhood mostly lies in. Its edges do not follow theirs. ## Next door [Carrick Castle B1](https://openindex.co.uk/mid-and-east-antrim/neighbourhood/n20002767), [Carrick Castle A1](https://openindex.co.uk/mid-and-east-antrim/neighbourhood/n20002763), [Carrick Castle C2](https://openindex.co.uk/mid-and-east-antrim/neighbourhood/n20002770), [Carrick Castle C3](https://openindex.co.uk/mid-and-east-antrim/neighbourhood/n20002775), [Carrick Castle B3](https://openindex.co.uk/mid-and-east-antrim/neighbourhood/n20002779), [Carrick Castle A3](https://openindex.co.uk/mid-and-east-antrim/neighbourhood/n20002765) ## Latest updates for Carrick Castle C1 - August 2026 house prices published: HM Land Registry and partners · Oct 2026. - September 2026 rent published: ONS private rents · Oct 2026. - Nitrogen dioxide (NO2) updated: Defra · Oct 2026. - 2025 population published: ONS population estimates · Oct 2026. The same figures as JSON: https://openindex.co.uk/v1/places/N20002768 ## How to cite Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/mid-and-east-antrim/neighbourhood/n20002768, or to one figure with its anchor, https://openindex.co.uk/mid-and-east-antrim/neighbourhood/n20002768#f-population. Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it. Snapshot 2026.10.11. The HTML page: https://openindex.co.uk/mid-and-east-antrim/neighbourhood/n20002768