Black Mountain J
Middle areaSouth west Belfast. 2,569 people in 1.3 square kilometres.
Gigabit coverage by ward
Connected Nations (Ofcom) · January 2026
Under 60%98% or more
There is no gigabit broadband coverage figure for Black Mountain J’s wards yet.
How Black Mountain J compares
Each dot is a middle area. The black line marks the middle one.
Black Mountain JMiddle
Population175 middle areas, Belfast · 2021
2,62618th highest
Gigabit broadband coverage175 middle areas, Belfast · Jan 2026
80.3%4th lowest
Claimant rate175 middle areas, Belfast · Aug 2026
6.3%26th highest
Aged 15 to 64175 middle areas, Belfast · 2021
63.7%joint 63rd lowest
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 J alone. See Belfast
Black Mountain J in brief
Black Mountain J had 2,626 usual residents at the census.
In Black Mountain J, 80.3% of homes and businesses could get gigabit-capable broadband in January 2026.
In Black Mountain J, 6.3% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.
63.7% of residents in Black Mountain J were aged 15 to 64 at the census.