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Black Mountain A

Middle area

West Belfast. 3,077 people in 0.7 square kilometres.

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Radon Affected Area by middle area

Worked out by Open Index · 2022

Under 1%90% or more

About 21% of people in Black Mountain A live in a 1 km square that the radon atlas marks as a radon Affected Area.

Population
3,149
1,073rd least populated of 9,448
ONS Census 2021 · 2021
People in radon Affected Area squares
21%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
97.3%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
4.8%
UK 3.9%
ONS via Nomis · Aug 2026

Recorded crime in Black Mountain A

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Black Mountain A at a rate of 68.9 per 1,000 people.

That compares with 128.5 per 1,000 people across Belfast.

Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.

Recorded by police, 12 months to August 2026
Kind of crimeRecorded
Violence and sexual offences84
Anti-social behaviour49
Other crime28
Criminal damage and arson25
Drug offences16
Burglary8
Vehicle crime2
Robbery0
Shoplifting0
Theft from the person0

Source: police.uk, 12 months to August 2026

How Black Mountain A compares

Each dot is a middle area. The black line marks the middle one.

Black Mountain AMiddle
Population175 middle areas, Belfast · 2021
Population: every middle area in Belfast175 areas from 1,096 to 3,639. The middle area is 1,929. Black Mountain A is 3,149.
3,1493rd most populated
People in radon Affected Area squares175 middle areas, Belfast · 2022
People in radon Affected Area squares: every middle area in Belfast175 areas from 0.0% to 100.0%. The middle area is 0.0%. Black Mountain A is 21.0%.
21%joint 35th most people in radon Affected Areas
Gigabit broadband coverage175 middle areas, Belfast · Jan 2026
Gigabit broadband coverage: every middle area in Belfast175 areas from 70.4% to 100.0%. The middle area is 98.0%. Black Mountain A is 97.3%.
97.3%joint 72nd lowest
Claimant rate175 middle areas, Belfast · Aug 2026
Claimant rate: every middle area in Belfast175 areas from 0.3% to 9.1%. The middle area is 3.9%. Black Mountain A is 4.8%.
4.8%joint 58th highest

Is Black Mountain A safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Black Mountain A at a rate of 68.9 per 1,000 people.

That compares with 128.5 per 1,000 people across Belfast.

Across Northern Ireland as a whole, the recorded crime rate was 70.2 per 1,000 people.

In August 2026 alone, 23 cases of crime and anti-social behaviour were recorded in Black Mountain A.

In the 12 months to August 2026, the most common types were violence and sexual offences (84), anti-social behaviour (49) and other crime (28).

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 Belfast

These figures are published for the whole of Belfast, not for each middle area, so they describe all of Belfast and not Black Mountain A alone. See Belfast

Average house price
£184,768
Up 7.7% in a year
HM Land Registry · Jul 2026
Population estimate
351,927
Down 0.1% in a year
ONS population estimates · 2025
Female life expectancy
80.5years
UK 83.0 years
ONS life expectancy · 2022 to 2024
Full-fibre broadband coverage
92.3%
UK 81.0%
Ofcom · Jan 2026
Black Mountain A in brief

Black Mountain A had 3,149 usual residents at the census.

About 21% of people in Black Mountain A live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Black Mountain A, 97.3% of homes and businesses could get gigabit-capable broadband in January 2026.

In Black Mountain A, 4.8% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.