Bahia Blanca's 2026 population is now estimated at 330,154. In 1950, the population of Bahia Blanca was 115,752. Bahia Blanca has grown by 2,825 in the last year, which represents a 0.86% annual change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Bahia Blanca, which typically includes Bahia Blanca's population in addition to adjacent suburban areas.
| 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% |
| Mar del Plata | 593,337 | |
| San Juan | 565,946 | 0.91% |
| Resistencia | 460,926 | 0.99% |
| Corrientes | 436,980 | 1.03% |
| Posadas | 424,853 | 1.16% |
| Santa Fe de la Vera Cruz | 391,164 | |
| San Salvador de Jujuy | 387,488 | 1.04% |
| Pilar | 296,826 | |
| Pilar | 296,826 | |
| Santiago del Estero | 252,192 | |
| Parana | 247,139 | |
| Merlo | 244,168 | |
| Neuquen | 231,198 | |
| Quilmes | 230,810 | |
| Formosa | 222,226 | |
| Las Heras | 189,067 | |
| La Rioja | 178,872 | 1.02% |
| Comodoro Rivadavia | 175,196 | 1.03% |
| San Luis | 169,947 | |
| Berazategui | 167,498 | |
| San Fernando del Valle de Catamarca | 159,139 | 1.01% |
| San Miguel | 157,532 | |
| 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% |
| Avellaneda | 112,980 | |
| Villa Mercedes | 111,391 | 1.02% |
| San Carlos de Bariloche | 109,305 | 1.02% |
| San Justo | 105,274 | |
| Pergamino | 104,985 | 1.02% |
| Santa Rosa | 102,880 | 1% |
| Santa Rosa | 102,880 | 1% |
| Trelew | 97,915 | |
| Lujan | 97,363 | 1.04% |
| Rio Gallegos | 95,796 | 1.02% |
| Moron | 92,725 | |
| 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% |
| Zarate | 86,686 | |
| Necochea | 84,784 | 1.03% |
| Puerto Iguazu | 82,227 | |
| General Roca | 81,534 | 1.02% |
| Puerto Madryn | 81,315 | 1.04% |
| Gualeguaychu | 80,614 | 1.01% |
| San Martin | 79,476 | 1.05% |
| San Martin | 79,476 | 1.05% |
| 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% |
| Bella Vista | 67,936 | |
| 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% |
| Caleta Olivia | 51,733 | |
| Palpala | 50,183 | 1.01% |