The latest population estimates for the Derry City and Strabane District Council (DCSDC) area gave a population total of 150,680. These estimates also indicated that the region had a younger profile than that for Northern Ireland (NI) as a whole. It was estimated that DCSDC had 33.5% of its population aged 24 and younger (31.9% in NI) whilst 14.9% of the population in DCSDC were aged 65 and over (16.4% in NI).
The overall population of DCSDC is projected to decrease slightly to 150,496 in 2022 before dropping back to 145,852 by 2041. It is projected that the number of those aged under 16 will fall to 28,040 (19.2%) in 2041, down from 32,806 (21.8%) in 2016. By 2041, the number of people aged 65 and over is expected to increase to 35,150 resulting in this age category making up nearly a quarter (24.1%) of the DCSDC population.