San Martin's 2026 population is now estimated at 184,477. In 2001, the population of San Martin was 49,491. San Martin has grown by 105,001 in the last year, which represents a 5.4% annual change.
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Buenos Aires | 15,890,600 | 0.88% |
| Cordoba | 1,655,500 | 0.91% |
| Rosario | 1,648,320 | 1.06% |
| Mendoza | 1,271,120 | 1.11% |
| San Miguel de Tucuman | 1,062,270 | 1.07% |
| La Plata | 942,456 | 0.99% |
| Salta | 745,986 | 1.14% |
| San Juan | 565,946 | 0.91% |
| Resistencia | 460,926 | 0.99% |
| Corrientes | 436,980 | 1.03% |
| Posadas | 424,853 | 1.16% |
| San Salvador de Jujuy | 387,488 | 1.04% |
| Bahia Blanca | 330,154 | 0.86% |
| La Rioja | 178,872 | 1.02% |
| Comodoro Rivadavia | 175,196 | 1.03% |
| San Fernando del Valle de Catamarca | 159,139 | 1.01% |
| Rio Cuarto | 157,010 | 1.01% |
| Concordia | 149,450 | 1% |
| San Nicolas de los Arroyos | 133,602 | 1.01% |
| San Rafael | 118,009 | 1.01% |
| Tandil | 116,916 | 1.02% |
| Villa Mercedes | 111,391 | 1.02% |
| San Carlos de Bariloche | 109,305 | 1.02% |
| Pergamino | 104,985 | 1.02% |
| Santa Rosa | 102,880 | 1% |
| Santa Rosa | 102,880 | 1% |
| Lujan | 97,363 | 1.04% |
| Rio Gallegos | 95,796 | 1.02% |
| Rafaela | 91,571 | 1.01% |
| Presidencia Roque Saenz Pena | 89,882 | 1.02% |
| Junin | 87,509 | 1.01% |
| Chimbas | 87,258 | 1.02% |
| Campana | 86,860 | 1.01% |
| Necochea | 84,784 | 1.03% |
| General Roca | 81,534 | 1.02% |
| Puerto Madryn | 81,315 | 1.04% |
| Gualeguaychu | 80,614 | 1.01% |
| Villa Maria | 79,351 | 1.01% |
| Cipolletti | 77,713 | 1.02% |
| San Ramon de la Nueva Oran | 76,070 | 1.01% |
| Venado Tuerto | 75,437 | 1.01% |
| Concepcion del Uruguay | 72,528 | 1.01% |
| Goya | 71,606 | 1.01% |
| Reconquista | 70,549 | 1.01% |
| Rio Grande | 66,425 | 1.03% |
| Santo Tome | 65,684 | 1.13% |
| Santo Tome | 65,684 | 1.13% |
| Obera | 63,960 | 1.02% |
| Tartagal | 63,196 | 1.01% |
| Villa Carlos Paz | 62,423 | 1% |
| San Francisco | 61,750 | 1.01% |
| Punta Alta | 58,315 | 1% |
| Chivilcoy | 58,152 | 1.01% |
| General Pico | 56,795 | 1.01% |
| Ushuaia | 56,593 | 1.03% |
| Mercedes | 56,116 | 1.01% |
| Mercedes | 56,116 | 1.01% |
| Azul | 55,728 | 1.01% |
| Barranqueras | 54,698 | 1.01% |
| Clorinda | 52,837 | 1.01% |
| Viedma | 52,789 | 1.01% |
| Palpala | 50,183 | 1.01% |