Pohang's 2025 population is now estimated at 367,474. In 1950, the population of Pohang was 16,140. Pohang has grown by 1,421 in the last year, which represents a 0.39% annual change.These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Pohang, which typically includes Pohang's population in addition to adjacent suburban areas.
| City | 2025 Pop. ↓ | Growth |
|---|---|---|
| Seoul | 10,025,800 | 0.21% |
| Busan | 3,484,430 | 0.2% |
| Incheon | 2,873,700 | 0.42% |
| Daegu | 2,181,080 | 0.05% |
| Daejon | 1,586,180 | 0.28% |
| Gwangju | 1,536,730 | 0.25% |
| Suweon | 1,388,800 | 0.77% |
| Yongin | 1,157,920 | 0.87% |
| Goyang | 1,121,440 | 0.66% |
| Changwon | 1,056,980 | 0.15% |
| Seongnam | 943,458 | 0.14% |
| Ulsan | 916,236 | 0.21% |
| Bucheon | 827,603 | 0.08% |
| Ansan | 771,029 | 0.29% |
| Cheongju | 732,667 | 0.38% |
| Cheonan | 713,308 | 0.66% |
| Jeonju | 667,908 | 0.22% |
| Anyang | 559,645 | -0.02% |
| Siheung | 450,758 | 0.4% |
| Uijeongbu | 425,996 | 0.2% |
| Gumi | 401,111 | 0.54% |
| Pohang | 367,474 | 0.39% |
| Gwangmyeong | 351,246 | 0.31% |
| Jeju | 349,801 | 0.35% |
| Gimhae | 320,026 | 0.33% |