Wonsan's 2026 population is now estimated at 328,467. In 2008, the population of Wonsan was 328,467. These population values and projections come from North Korea city-level census counts 2008 via CityPopulation official citation and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| South Pyongan | 4,672,958 | 0.8% |
| Pyongyang | 4,000,888 | 1.15% |
| South Hamgyong | 3,520,803 | 0.77% |
| North Pyongan | 3,124,412 | 0.76% |
| South Hwanghae | 2,729,384 | 0.93% |
| North Hamgyong | 2,693,250 | 0.81% |
| P'yongyang | 2,521,785 | 0% |
| North Hwanghae | 2,485,796 | 0.91% |
| Kangwon Province | 1,715,885 | 0.83% |
| Chagang Province | 1,501,329 | 0.8% |
| Ryanggang Province | 829,830 | 0.8% |
| Hamhung | 703,610 | 0% |
| Ch'ongjin | 614,892 | 0% |
| Sinuiju | 334,031 | 0% |
| Wonsan | 328,467 | 0% |
| Namp'o | 310,531 | 0% |
| Sariwon | 271,434 | 0% |
| Kaech'on | 262,389 | 0% |
| Kanggye | 251,971 | 0% |
| Sunch'on | 250,738 | 0% |