A continuació es mostren les àrees urbanes amb més de 100.000 habitants a Corea del Sud classificades per població.
La població de l'Àrea urbana (o aglomeració urbana) es refereix a la població continguda dins dels contorns d'un territori contigu habitat a nivells de densitat urbana, que normalment comprèn una ciutat i la seva franja suburbana circumdant.
| Rànquing | Àrea urbana | Estimació de població (2025) | Variació anual (respecte al 2024) | Superfície terrestre (km²) | Densitat (hab./km²) | Rànquing mundial | Projeccions (2030) | Projeccions (2050) |
|---|---|---|---|---|---|---|---|---|
| 1 | Seoul | 22.490.482 | 0,23% | 2.255 | 9.974 | 10 | 22.626.893 | 21.225.404 |
| 2 | Busan | 3.263.221 | −0,35% | 361 | 9.039 | 146 | 3.188.387 | 2.742.944 |
| 3 | Daegu | 2.334.446 | −0,36% | 288 | 8.106 | 213 | 2.279.043 | 1.968.877 |
| 4 | Daejeon | 1.517.299 | −0,1% | 204 | 7.438 | 331 | 1.499.643 | 1.353.972 |
| 5 | Gwangju | 1.441.495 | −0,08% | 190 | 7.587 | 351 | 1.426.306 | 1.297.682 |
| 6 | Ulsan | 881.858 | −0,59% | 200 | 4.409 | 588 | 861.222 | 723.568 |
| 7 | Cheongju-si | 690.333 | −0,11% | 85 | 8.122 | 780 | 673.221 | 612.122 |
| 8 | Changwon | 665.772 | −0,41% | 109 | 6.108 | 814 | 649.994 | 547.493 |
| 9 | Jeonju | 637.082 | −0,11% | 90 | 7.079 | 848 | 628.498 | 570.907 |
| 10 | Cheonan-si | 428.378 | −0,1% | 80 | 5.355 | 1.304 | 423.876 | 383.153 |
| 11 | Pohang-si | 382.368 | −0,37% | 103 | 3.712 | 1.487 | 373.119 | 314.776 |
| 12 | Gumi-si | 296.323 | −0,38% | 67 | 4.423 | 1.955 | 288.955 | 239.874 |
| 13 | Gimhae | 261.543 | −0,42% | 67 | 3.904 | 2.230 | 254.576 | 208.216 |
| 14 | Mokpo-si | 238.374 | −0,11% | 43 | 5.544 | 2.457 | 235.686 | 212.211 |
| 15 | Jinju-si | 237.707 | −0,36% | 55 | 4.322 | 2.463 | 230.539 | 192.573 |
| 16 | Chuncheon | 236.384 | 0,28% | 39 | 6.061 | 2.481 | 241.122 | 221.546 |
| 17 | Wonju | 230.065 | 0,23% | 41 | 5.611 | 2.555 | 235.740 | 215.681 |
| 18 | Gimpo | 178.424 | 0,27% | 48 | 3.717 | 3.395 | 179.807 | 167.760 |
| 19 | Gunsan-si | 171.268 | −0,12% | 53 | 3.231 | 3.541 | 169.257 | 148.267 |
| 20 | Iksan-si | 164.566 | −0,13% | 35 | 4.702 | 3.680 | 162.604 | 144.595 |
| 21 | Dongducheon | 153.631 | 0,77% | 48 | 3.201 | 3.948 | 162.165 | 140.064 |
| 22 | Yangsan | 150.276 | −0,4% | 35 | 4.294 | 4.035 | 146.412 | 123.084 |
| 23 | Suncheon-si | 147.975 | −0,12% | 36 | 4.110 | 4.103 | 146.248 | 131.433 |
| 24 | Pyeongtaek | 145.127 | −0,13% | 33 | 4.398 | 4.207 | 143.402 | 125.386 |
| 25 | Hwado | 131.457 | 0,23% | 24 | 5.477 | 4.647 | 132.218 | 121.217 |
| 26 | Gangneung | 128.525 | 0,47% | 34 | 3.780 | 4.751 | 129.445 | 119.496 |
| 27 | Chungju-si | 103.243 | 0,15% | 18 | 5.736 | 5.996 | 105.825 | 95.441 |
| 28 | Jinhae-gu | 99.309 | −0,39% | 22 | 4.514 | 6.216 | 96.810 | 81.082 |
| 29 | Geoje-si | 98.680 | −0,38% | 20 | 4.934 | 6.261 | 96.260 | 80.348 |
| 30 | Gwangju | 98.184 | 2,59% | 44 | 2.231 | 6.296 | 98.912 | 80.784 |
| 31 | 웅상 | 87.200 | −0,42% | 23 | 3.791 | 7.134 | 80.843 | 63.113 |
| 32 | Ayang | 82.984 | −0,42% | 27 | 3.073 | 7.499 | 80.756 | 63.517 |
| 33 | Jecheon-si | 74.673 | 0,17% | 17 | 4.393 | 8.339 | 74.894 | 69.135 |
| 34 | Sokcho | 74.556 | 0,24% | 24 | 3.107 | 8.355 | 75.052 | 70.038 |
| 35 | Jeju-si | 74.313 | −0,46% | 25 | 2.973 | 8.404 | 72.191 | 60.979 |
| 36 | Asan-si | 72.223 | −0,14% | 12 | 6.019 | 8.609 | 71.335 | 64.569 |
| 37 | Jangdeung-ri | 69.489 | −0,13% | 19 | 3.657 | 8.938 | 68.653 | 62.107 |
| 38 | Tongyeong-si | 66.048 | −0,4% | 18 | 3.669 | 9.377 | 64.360 | 54.373 |
| 39 | Daegot | 65.448 | 1,01% | 27 | 2.424 | 9.468 | 65.854 | 58.209 |
| 40 | Gyeongju-si | 63.656 | −0,43% | 20 | 3.183 | 9.732 | 61.924 | – |
| 41 | Andong-si | 62.758 | −0,42% | 16 | 3.922 | 9.876 | 61.093 | – |
| 42 | Hallim-myeon | 62.593 | −0,47% | 29 | 2.158 | 9.906 | 60.778 | – |
| 43 | Wolha-dong | 62.256 | −0,14% | 28 | 2.223 | 9.977 | 61.481 | – |
| 44 | Taein-dong | 60.695 | −0,11% | 35 | 1.734 | 10.218 | 58.583 | – |
| 45 | Hyangnam | 59.702 | – | 24 | 2.488 | 10.362 | 60.069 | – |
| 46 | Noha-ri | 56.049 | 0,26% | 25 | 2.242 | 10.984 | 56.471 | – |
| 47 | Paju | 54.846 | 0,21% | 12 | 4.571 | 11.224 | 57.443 | 51.238 |
| 48 | Hogye-ri | 53.796 | −0,48% | 10 | 5.380 | 11.449 | 52.200 | – |
| 49 | Sincheon-dong | 52.998 | −0,38% | 11 | 4.818 | 11.605 | 51.684 | – |
Font: Nacions Unides, Departament d'Afers Econòmics i Socials, Divisió de Població (2025). World Urbanization Prospects: The 2025 Revision, Online Edition.