| Source | UN (World Urbanization Prospects 2025) |
| Date | 04 Apr 2026 |
| Code | City | Population | Share (%) | Rank | Change | |||
|---|---|---|---|---|---|---|---|---|
| 2025 | 2026 | Argentina | World | Population | (%) | |||
| Buen | Buenos Aires | 14,017,736 | 14,038,483 | 30.6 | 1 | 21 | 20,747 | 0.15 |
| Cord | Cordoba | 1,460,491 | 1,465,758 | 3.20 | 2 | 348 | 5,267 | 0.36 |
| Rosa | Rosario | 1,151,717 | 1,154,128 | 2.52 | 3 | 448 | 2,411 | 0.21 |
| Mend | Mendoza | 1,027,849 | 1,034,137 | 2.26 | 4 | 499 | 6,288 | 0.61 |
| San | San Miguel de Tucumán | 959,565 | 962,612 | 2.10 | 5 | 549 | 3,047 | 0.32 |
| La P | La Plata | 742,952 | 744,317 | 1.62 | 6 | 723 | 1,365 | 0.18 |
| Salt | Salta | 613,956 | 616,669 | 1.34 | 7 | 887 | 2,713 | 0.44 |
| Mar | Mar del Plata | 614,979 | 616,035 | 1.34 | 8 | 888 | 1,056 | 0.17 |
| San | San Juan | 464,466 | 467,729 | 1.02 | 9 | 1202 | 3,263 | 0.70 |
| Resi | Resistencia | 406,337 | 407,186 | 0.888 | 10 | 1406 | 849 | 0.21 |
| Sant | Santiago del Estero | 393,257 | 394,728 | 0.861 | 11 | 1459 | 1,471 | 0.37 |
| Corr | Corrientes | 392,082 | 392,820 | 0.857 | 12 | 1465 | 738 | 0.19 |
| Posa | Posadas | 375,741 | 377,186 | 0.823 | 13 | 1525 | 1,445 | 0.38 |
| Sant | Santa Fe | 366,960 | 367,563 | 0.802 | 14 | 1569 | 603 | 0.16 |
| San | San Salvador de Jujuy | 274,625 | 276,118 | 0.602 | 15 | 2126 | 1,493 | 0.54 |
| Bahí | Bahía Blanca | 257,379 | 259,416 | 0.566 | 16 | 2280 | 2,037 | 0.79 |
| Form | Formosa | 229,877 | 230,481 | 0.503 | 17 | 2576 | 604 | 0.26 |
| Neuq | Neuquén | 223,753 | 225,010 | 0.491 | 18 | 2644 | 1,257 | 0.56 |
| La R | La Rioja | 216,511 | 217,675 | 0.475 | 19 | 2756 | 1,164 | 0.54 |
| Para | Paraná | 211,110 | 211,449 | 0.461 | 20 | 2846 | 339 | 0.16 |
| San | San Fernando del Valle de Catamarca | 203,169 | 203,919 | 0.445 | 21 | 2956 | 750 | 0.37 |
| San | San Luis | 183,176 | 183,656 | 0.401 | 22 | 3319 | 480 | 0.26 |
| Como | Comodoro Rivadavia | 152,431 | 152,810 | 0.333 | 23 | 4018 | 379 | 0.25 |
| Río | Río Cuarto | 145,907 | 146,179 | 0.319 | 24 | 4217 | 272 | 0.19 |
| San | San Nicolás de los Arroyos | 140,033 | 140,509 | 0.306 | 25 | 4386 | 476 | 0.34 |
| Conc | Concordia | 138,927 | 139,549 | 0.304 | 26 | 4413 | 622 | 0.45 |
| Río | Río Gallegos | 130,981 | 132,805 | 0.290 | 27 | 4648 | 1,824 | 1.39 |
| San | San Rafael | 120,677 | 121,303 | 0.265 | 28 | 5131 | 626 | 0.52 |
| Sant | Santa Rosa | 117,603 | 117,838 | 0.257 | 29 | 5286 | 235 | 0.20 |
| Tand | Tandil | 116,044 | 116,258 | 0.254 | 30 | 5356 | 214 | 0.18 |
| San | San Carlos de Bariloche | 112,480 | 112,917 | 0.246 | 31 | 5534 | 437 | 0.39 |
| Vill | Villa Mercedes | 110,812 | 111,083 | 0.242 | 32 | 5618 | 271 | 0.24 |
| Trel | Trelew | 107,895 | 108,468 | 0.237 | 33 | 5764 | 573 | 0.53 |
| Reco | Reconquista | 108,032 | 108,283 | 0.236 | 34 | 5770 | 251 | 0.23 |