Castlereagh South C4
NeighbourhoodNorth east Lisburn and Castlereagh. 690 people (mid-2024 estimate) in 0.1 square kilometres.
Gigabit coverage by neighbourhood
Connected Nations (Ofcom) · January 2026
In Castlereagh South C4, 98.6% 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 C4. See deprivation across Lisburn and Castlereagh
How Castlereagh South C4 compares
Each dot is a neighbourhood. The black line marks the middle one.
What is the population of Castlereagh South C4?
Castlereagh South C4 had 674 usual residents at the census.
Castlereagh South C4 is the joint 6,296th 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 C4 alone. See Lisburn and Castlereagh
Castlereagh South C4 in brief
Castlereagh South C4 had 674 usual residents at the census.
In Castlereagh South C4, 98.6% of homes and businesses could get gigabit-capable broadband in January 2026.
61.8% of residents in Castlereagh South C4 were aged 15 to 64 at the census.
19.2% of residents in Castlereagh South C4 were aged 65 or over at the census.