Chester Hill Sefton's 2026 population is now estimated at 22,274. In 2001, the population of Chester Hill Sefton was 15,789. Chester Hill Sefton has grown by 290 in the last year, which represents a 1.32% annual change. These population values and projections come from Australia SA2 population series over 10k (ABS) and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Sydney | 4,976,762 | 1.13% |
| Melbourne | 4,928,443 | 1.41% |
| Brisbane | 2,484,138 | 1.61% |
| Perth | 2,218,366 | 1.6% |
| Adelaide | 1,299,185 | 0.84% |
| Gold Coast | 741,661 | 1.93% |
| Canberra | 523,285 | 1.28% |
| Newcastle | 361,877 | 0.74% |
| Central Coast | 343,965 | 1.1% |
| Sunshine Coast | 313,811 | 1.93% |
| Wollongong | 292,054 | 0.82% |
| Hobart | 205,884 | 0.83% |
| Geelong | 190,619 | 1.1% |
| Townsville | 186,562 | 1.4% |
| Cairns | 163,376 | 1.26% |
| Darwin | 130,746 | 1.32% |
| Ballarat | 113,156 | 1.4% |
| Toowoomba | 112,978 | 0.82% |
| Bendigo | 108,707 | 1.51% |
| Maitland | 97,446 | 1.64% |
