Suweon's 2025 population is now estimated at 1,388,800. In 1950, the population of Suweon was 73,615. Suweon has grown by 10,570 in the last year, which represents a 0.77% 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 Suweon, which typically includes Suweon'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% |