Castlereagh South J1
NeighbourhoodEast Lisburn and Castlereagh. 383 people (mid-2024 estimate) in 0.2 square kilometres.
Gigabit coverage by neighbourhood
Connected Nations (Ofcom) · January 2026
In Castlereagh South J1, 99.4% of homes and businesses could get gigabit-capable broadband in January 2026.
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 Castlereagh South J1. See deprivation across Lisburn and Castlereagh
How Castlereagh South J1 compares
Each dot is a neighbourhood. The black line marks the middle one.
What is the population of Castlereagh South J1?
Castlereagh South J1 had 406 usual residents at the census.
Castlereagh South J1 is the joint 1,026th least populated of 46,844 in the UK.
Figures for the whole of Lisburn and Castlereagh
These figures are published for the whole of Lisburn and Castlereagh, not for each neighbourhood, so they describe all of Lisburn and Castlereagh and not Castlereagh South J1 alone. See Lisburn and Castlereagh
Castlereagh South J1 in brief
Castlereagh South J1 had 406 usual residents at the census.
In Castlereagh South J1, 99.4% of homes and businesses could get gigabit-capable broadband in January 2026.
62.7% of residents in Castlereagh South J1 were aged 15 to 64 at the census.
21.2% of residents in Castlereagh South J1 were aged 65 or over at the census.