General San Martin's 2026 population is now estimated at 455,090. In 2010, the population of General San Martin was 414,196. General San Martin has grown by 2,670 in the last year, which represents a 0.59% annual change. These population values and projections come from Censo Nacional 2010 (CPV2010B) - Departamentos/Partidos via Redatam, Censo Nacional 2022 (CPV2022) - Departamentos via Redatam and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Buenos Aires | 3,167,079 | 0.57% |
| La Matanza | 1,858,086 | 0.28% |
| Cordoba | 1,558,828 | 1% |
| Rosario | 1,389,856 | 0.96% |
| La Plata | 793,393 | 1.21% |
| Lomas De Zamora | 710,459 | 0.89% |
| General Pueyrredon | 675,041 | 0.54% |
| Salta | 656,392 | 1.27% |
| Quilmes | 648,944 | 0.67% |
| Moreno | 623,896 | 2.03% |
| San Miguel de Tucuman | 600,685 | 0.57% |
| Merlo | 600,303 | 0.8% |
| Almirante Brown | 593,676 | 0.45% |
| La Capital | 583,422 | 0.66% |
| Florencio Varela | 510,752 | 1.14% |
| Confluencia | 508,378 | 2.13% |
| Tigre | 472,369 | 1.43% |
| Corrientes | 467,572 | 1.68% |
| Lanus | 460,354 | 0.01% |
| General San Martin | 455,090 | 0.59% |