Wonsan's 2025 population is now estimated at 366,008. In 1950, the population of Wonsan was 176,000. Wonsan has grown by 2,840 in the last year, which represents a 0.78% 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 Wonsan, which typically includes Wonsan's population in addition to adjacent suburban areas.
| City | 2025 Pop. ↓ | Growth |
|---|---|---|
| Pyongyang | 3,209,300 | |
| Chongjin | 661,766 | |
| Hamhung | 545,782 | |
| Namp'o | 455,000 | |
| Sunch'on | 437,000 | |
| Hungnam | 346,082 | |
| Kaesong | 338,155 | |
| Sinuiju | 333,018 | |
| Sariwon | 310,100 | |
| Haeju | 222,396 | |
| Kanggye | 209,530 | |
| Hyesan | 192,680 | |
| Songnim | 152,425 | |
| Manp'o | 116,760 | |
| P'yongsong | 100,000 | |
| Hyesan-dong | 97,794 | |
| Yuktae-dong | 76,427 | |
| Hongwon | 70,923 | |
| Rajin | 66,224 | |
| Ongjin | 64,247 | |
| Kilju | 63,652 | |
| Chaeryong-up | 53,330 | |
| Anju | 50,196 | |
| Uiju | 50,081 | |
| Hoeryong | 43,831 | |
| Sungho 1-tong | 39,841 | |
| Changyon | 39,368 | |
| Sunan | 36,671 | |
| Hwangju-up | 35,641 | |
| Kyongsong | 35,604 | |
| Aoji-ri | 34,248 | |
| Nanam | 34,055 | |
| Anbyon-up | 31,845 | |
| Kusong | 30,902 | |
| Chongju | 29,065 | |
| Kangdong-up | 28,922 | |
| Sonbong | 27,331 | |
| Iwon-up | 26,364 | |
| Hukkyo-ri | 25,437 | |
| Kosan | 24,822 | |
| Yonan-up | 22,665 | |
| Namyang-dong | 22,218 | |
| Yonggwang-up | 21,882 | |
| Musan-up | 21,739 | |
| Kowon-up | 21,490 | |
| Hoeyang | 21,111 | |
| T'ongch'on-up | 20,575 | |
| Kapsan-up | 20,406 | |
| Anak | 19,995 | |
| Onsong | 19,806 | |
| Kujang-up | 19,522 | |
| Sil-li | 19,463 | |
| Chunghwa | 19,346 | |
| Samho-rodongjagu | 19,025 | |
| Sinmak | 18,669 | |
| Sakchu-up | 18,001 | |
| Ayang-ni | 16,104 | |
| Sinanju | 15,693 | |
| Sinsang-ni | 14,960 | |
| Pukchil-lodongjagu | 14,129 | |
| Hau-ri | 13,581 | |
| Yonggang-up | 13,440 | |
| Pyoksong-up | 12,937 | |
| Koksan | 12,923 | |
| Chasong | 12,736 | |
| Kyongwon | 12,650 | |
| Puryong | 12,267 | |
| Komusan 1-tong | 12,242 | |
| Sungjibaegam | 11,786 | |
| Hoemul-li | 11,681 | |
| Sungam-nodongjagu | 11,406 | |
| Panghyon-dong | 11,026 | |
| Kwaksan | 10,478 |