Sai Kung's 2026 population is now estimated at 511,117. In 2021, the population of Sai Kung was 489,000. Sai Kung has grown by 5,033 in the last year, which represents a 0.99% annual change. These population values and projections come from Hong Kong C&SD Table 110-02001 mid-year population on land by district council district and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Sha Tin | 713,836 | 0.71% |
| Yuen Long | 685,663 | 0.65% |
| Kwun Tong | 666,132 | -0.17% |
| Tuen Mun | 567,710 | 2.53% |
| Eastern | 514,378 | -0.47% |
| Sai Kung | 511,117 | 0.99% |
| Kwai Tsing | 505,153 | 0.45% |
| Sham Shui Po | 446,799 | 0.8% |
| Kowloon City | 426,455 | 0.93% |
| Wong Tai Sin | 413,528 | 0.36% |
| North | 365,764 | 3.33% |
| Tai Po | 340,958 | 1.48% |
| Tsuen Wan | 304,697 | -0.86% |
| Yau Tsim Mong | 302,698 | -0.23% |
| Southern | 263,153 | 0.14% |
| Central and Western | 232,307 | 0.02% |
| Victoria | 232,307 | 0.02% |
| Islands | 209,128 | 2.82% |
| Wan Chai | 164,114 | -0.03% |
