Treharris
WardSouth Merthyr Tydfil. About 6,206 people in 8.1 square kilometres.
Gigabit coverage by ward
Connected Nations (Ofcom) · January 2026
Under 60%98% or more
In Treharris, 37.5% of homes and businesses could get gigabit-capable broadband in January 2026.
How Treharris compares
Each dot is a ward. The black line marks the middle one.
TreharrisMiddle
Population11 wards, Merthyr Tydfil · 2021
6,2714th highest
Gigabit broadband coverage11 wards, Merthyr Tydfil · Jan 2026
37.5%lowest
Claimant rate11 wards, Merthyr Tydfil · Aug 2026
2.6%lowest
Aged 15 to 6411 wards, Merthyr Tydfil · 2021
63.8%5th highest
Figures for the whole of Merthyr Tydfil
These figures are published for the whole of Merthyr Tydfil, not for each ward, so they describe all of Merthyr Tydfil and not Treharris alone. See Merthyr Tydfil
Treharris in brief
Treharris had 6,271 usual residents at the census.
In Treharris, 37.5% of homes and businesses could get gigabit-capable broadband in January 2026.
In Treharris, 2.6% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.
63.8% of residents in Treharris were aged 15 to 64 at the census.