# Monkstown

East Antrim and Newtownabbey. About 3,663 people (mid-2024 estimate) in 1.5 square kilometres.

Monkstown had 3,451 usual residents at the census (NISRA Census 2021).

Ward. Code N08000126. In: [Northern Ireland](https://openindex.co.uk/northern-ireland) › [Antrim and Newtownabbey](https://openindex.co.uk/antrim-and-newtownabbey)

## Key figures

- **Population: 3,451** (2021). Monkstown had 3,451 usual residents at the census (NISRA Census 2021). 1,494th least populated of 8,397. 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/antrim-and-newtownabbey/ward/monkstown#f-population
- **People in radon Affected Area squares: 42%** (2022). About 42% of people in Monkstown 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. https://openindex.co.uk/antrim-and-newtownabbey/ward/monkstown#f-radon-affected-share
- **Gigabit broadband coverage: 98.1%** (January 2026). In Monkstown, 98.1% 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/antrim-and-newtownabbey/ward/monkstown#f-gigabit-coverage
- **Aged 15 to 64: 66.4%** (2021). 66.4% of residents in Monkstown were aged 15 to 64 at the census (NISRA Census 2021). Joint 1,538th highest of 8,397. 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/antrim-and-newtownabbey/ward/monkstown#f-age-15-to-64

## On the map

- [Radon Affected Area by ward](https://openindex.co.uk/map/radon-affected-areas?place=N08000126) (Worked out by Open Index · 2022): About 42% of people in Monkstown live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Average house price by council](https://openindex.co.uk/map/house-prices?place=N08000126) (UK House Price Index · August 2026): Published for whole councils, so the map colours all of Antrim and Newtownabbey. The outline is Monkstown.
- [Crime and ASB by ward](https://openindex.co.uk/map/recorded-crime?place=N08000126) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for Monkstown.
- [Population by ward](https://openindex.co.uk/map/population?place=N08000126) (Census 2021, England and Wales): Monkstown had 3,451 usual residents at the census.

## How Monkstown compares

Each ward against every other ward the measure covers.

| Measure | Monkstown | Rank | Compared with |
| --- | --- | --- | --- |
| Population | 3,451 | 18th least populated | 40 wards, Antrim and Newtownabbey · 2021 |
| People in radon Affected Area squares | 42% | 6th most people in radon Affected Areas | 40 wards, Antrim and Newtownabbey · 2022 |
| Gigabit broadband coverage | 98.1% | 19th lowest | 40 wards, Antrim and Newtownabbey · Jan 2026 |
| Aged 15 to 64 | 66.4% | 5th highest | 40 wards, Antrim and Newtownabbey · 2021 |

## Is Monkstown safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Monkstown at a rate of 49.3 per 1,000 people.
That compares with 61.3 per 1,000 people across Antrim and Newtownabbey.
Across Northern Ireland as a whole, the recorded crime rate was 70.2 per 1,000 people.
In August 2026 alone, 18 cases of crime and anti-social behaviour were recorded in Monkstown.
In the 12 months to August 2026, the most common types were violence and sexual offences (70), anti-social behaviour (51) and criminal damage and arson (23).
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 Antrim and Newtownabbey

These figures are published for the whole of Antrim and Newtownabbey, not for each ward, so they describe all of Antrim and Newtownabbey and not Monkstown alone. [See Antrim and Newtownabbey](https://openindex.co.uk/antrim-and-newtownabbey)

- **Average house price: £206,120** (August 2026). Antrim and Newtownabbey’s average house price was £206,120 in August 2026 (HM Land Registry). Up 8.8% in a year. Source: UK House Price Index, August 2026. Published 21 October 2026.
- **Population estimate: 148,487** (2025). Antrim and Newtownabbey’s population was an estimated 148,487 in mid-2025 (ONS population estimates). Up 0.3% in a year. Source: Mid-year population estimates, 2025. Published 1 October 2026.
- **Female life expectancy: 82.5 years** (2022 to 2024). A baby girl born in Antrim and Newtownabbey could expect to live 82.5 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.
- **Full-fibre broadband coverage: 96.7%** (January 2026). In Antrim and Newtownabbey, 96.7% of homes and businesses could get full-fibre broadband in January 2026 (Ofcom). UK 81.0%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026.

## Monkstown in brief

Monkstown had 3,451 usual residents at the census.
About 42% of people in Monkstown live in a 1 km square that the radon atlas marks as a radon Affected Area.
In Monkstown, 98.1% of homes and businesses could get gigabit-capable broadband in January 2026.
66.4% of residents in Monkstown were aged 15 to 64 at the census.

## About

- Type: Ward
- Code: N08000126
- Constituency: [East Antrim †](https://openindex.co.uk/constituency/east-antrim)
- Council: [Antrim and Newtownabbey](https://openindex.co.uk/antrim-and-newtownabbey)
- Nation: [Northern Ireland](https://openindex.co.uk/northern-ireland)
- Area: 1.50 km²
- People, mid-2024: 3,663*
- Neighbourhoods: 8

* People: worked out by Open Index from neighbourhood estimates, shared out by where people lived at the census (by area in Northern Ireland). This area's edges do not follow neighbourhood edges, so the figure is close but not exact.
† Best fit: the constituency this ward mostly lies in. Its edges do not follow it.

## Next door

[Carnmoney Hill](https://openindex.co.uk/antrim-and-newtownabbey/ward/carnmoney-hill), [Ballyduff](https://openindex.co.uk/antrim-and-newtownabbey/ward/ballyduff), [Rostulla](https://openindex.co.uk/antrim-and-newtownabbey/ward/rostulla), [Abbey](https://openindex.co.uk/antrim-and-newtownabbey/ward/abbey), [Jordanstown](https://openindex.co.uk/antrim-and-newtownabbey/ward/jordanstown)

## Latest updates for Monkstown

- 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/N08000126

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/antrim-and-newtownabbey/ward/monkstown, or to one figure with its anchor, https://openindex.co.uk/antrim-and-newtownabbey/ward/monkstown#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/antrim-and-newtownabbey/ward/monkstown