List of cities in South Korea by population List of cities List of cities

| Rank_ | Municipality | Population_2010_Census | Population_2005_Census | Population_2000_Census |
|---|---|---|---|---|
| 21 | Gimhae | 494510 | 428893 | 330829 |
| 22 | Hwaseong | 488758 | 282124 | 185979 |
| 23 | Uijeongbu | 417412 | 397694 | 354422 |
| 24 | Siheung | 407090 | 384304 | 304260 |
| 25 | Gumi | 402607 | 381583 | 339457 |
| 26 | Jeju-si | 401192 | 391132 | 366809 |
| 27 | Pyeongtaek | 388508 | 374262 | 342806 |
| 28 | Jinju | 337896 | 336355 | 339413 |
| 29 | Gwangmyeong | 329010 | 319452 | 333596 |
| 30 | Paju | 328128 | 239823 | 177128 |
| 31 | Wonju | 311449 | 283583 | 267849 |
| 32 | Iksan | 296366 | 306974 | 322636 |
| 33 | Asan | 278676 | 206851 | 179900 |
| 34 | Gunpo | 278083 | 268917 | 262593 |
| 35 | Chuncheon | 276232 | 260234 | 252177 |
| 36 | Yeosu | 269937 | 277420 | 303115 |
| 37 | Gyeongsan | 266036 | 240371 | 226713 |
| 38 | Gunsan | 260546 | 249212 | 263845 |
| 39 | Suncheon | 258670 | 261519 | 265724 |
| 40 | Gyeongju | 256150 | 266131 | 275132 |
| 41 | Yangsan | 252507 | 215845 | 191147 |