# Derg F1 South west Derry City and Strabane. 384 people (mid-2024 estimate) in 0.1 square kilometres. Derg F1 had 372 usual residents at the census (NISRA Census 2021). Neighbourhood. Code N20002012. In: [Northern Ireland](https://openindex.co.uk/northern-ireland) › [Derry City and Strabane](https://openindex.co.uk/derry-city-and-strabane) ## Key figures - **Population: 372** (2021). Derg F1 had 372 usual residents at the census (NISRA Census 2021). Joint 702nd 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/derry-city-and-strabane/neighbourhood/n20002012#f-population - **Gigabit broadband coverage: 100.0%** (January 2026). In Derg F1, 100.0% 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/derry-city-and-strabane/neighbourhood/n20002012#f-gigabit-coverage - **Aged 15 to 64: 62.9%** (2021). 62.9% of residents in Derg F1 were aged 15 to 64 at the census (NISRA Census 2021). Joint 22,014th 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/derry-city-and-strabane/neighbourhood/n20002012#f-age-15-to-64 - **Aged 65 and over: 24.5%** (2021). 24.5% of residents in Derg F1 were aged 65 or over at the census (NISRA Census 2021). Joint 12,257th 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/derry-city-and-strabane/neighbourhood/n20002012#f-age-65-and-over ## On the map - [Gigabit coverage by neighbourhood](https://openindex.co.uk/map/gigabit-broadband?place=N20002012) (Connected Nations (Ofcom) · January 2026): In Derg F1, 100.0% 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=N20002012) (UK House Price Index · August 2026): Published for whole councils, so the map colours all of Derry City and Strabane. The outline is Derg F1. - [Crime and ASB by neighbourhood](https://openindex.co.uk/map/recorded-crime?place=N20002012) (Police recorded crime and outcomes (data.police.uk) · August 2026): Police recorded 0 crimes and anti-social behaviour incidents in Derg F1 in August 2026. - [Population by neighbourhood](https://openindex.co.uk/map/population?place=N20002012) (Census 2021, England and Wales): Derg F1 had 372 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 Derg F1. [See deprivation across Derry City and Strabane](https://openindex.co.uk/derry-city-and-strabane/deprivation) ## How Derg F1 compares Each neighbourhood against every other neighbourhood the measure covers. | Measure | Derg F1 | Rank | Compared with | | --- | --- | --- | --- | | Population | 372 | 47th least populated | 297 neighbourhoods, Derry City and Strabane · 2021 | | Gigabit broadband coverage | 100.0% | joint highest | 297 neighbourhoods, Derry City and Strabane · Jan 2026 | | Aged 15 to 64 | 62.9% | joint 117th lowest | 297 neighbourhoods, Derry City and Strabane · 2021 | | Aged 65 and over | 24.5% | 40th highest | 297 neighbourhoods, Derry City and Strabane · 2021 | ## Is Derg F1 safe? What police records show In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Derg F1 at a rate of 70.3 per 1,000 people. That compares with 59.5 per 1,000 people across Derg F. 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 Derg F1. In the 12 months to August 2026, the most common types were violence and sexual offences (10), anti-social behaviour (7) and other crime (5). 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 Derry City and Strabane These figures are published for the whole of Derry City and Strabane, not for each neighbourhood, so they describe all of Derry City and Strabane and not Derg F1 alone. [See Derry City and Strabane](https://openindex.co.uk/derry-city-and-strabane) - **Average house price: £189,474** (August 2026). Derry City and Strabane’s average house price was £189,474 in August 2026 (HM Land Registry). Up 12.4% in a year. Source: UK House Price Index, August 2026. Published 21 October 2026. - **Population estimate: 152,659** (2025). Derry City and Strabane’s population was an estimated 152,659 in mid-2025 (ONS population estimates). Up 0.2% in a year. Source: Mid-year population estimates, 2025. Published 1 October 2026. - **Female life expectancy: 81.2 years** (2022 to 2024). A baby girl born in Derry City and Strabane could expect to live 81.2 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: 99%** (2022). About 99% of people in Derry City and Strabane 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. ## Derg F1 in brief Derg F1 had 372 usual residents at the census. In Derg F1, 100.0% of homes and businesses could get gigabit-capable broadband in January 2026. 62.9% of residents in Derg F1 were aged 15 to 64 at the census. 24.5% of residents in Derg F1 were aged 65 or over at the census. ## About - Type: Neighbourhood - Code: N20002012 - Middle area: [Derg F](https://openindex.co.uk/derry-city-and-strabane/derg-f) - Ward: [Castlederg †](https://openindex.co.uk/derry-city-and-strabane/ward/castlederg) - Constituency: [West Tyrone †](https://openindex.co.uk/constituency/west-tyrone) - Council: [Derry City and Strabane](https://openindex.co.uk/derry-city-and-strabane) - Nation: [Northern Ireland](https://openindex.co.uk/northern-ireland) - Area: 0.09 km² - People, mid-2024: 384 † Best fit: the ward and constituency this neighbourhood mostly lies in. Its edges do not follow theirs. ## Next door [Derg F2](https://openindex.co.uk/derry-city-and-strabane/neighbourhood/n20002014), [Derg F3](https://openindex.co.uk/derry-city-and-strabane/neighbourhood/n20002016), [Derg D2](https://openindex.co.uk/derry-city-and-strabane/neighbourhood/n20002008) ## Latest updates for Derg F1 - 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/N20002012 ## How to cite Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/derry-city-and-strabane/neighbourhood/n20002012, or to one figure with its anchor, https://openindex.co.uk/derry-city-and-strabane/neighbourhood/n20002012#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 2026.10.9. The HTML page: https://openindex.co.uk/derry-city-and-strabane/neighbourhood/n20002012