Castro's 2026 population is now estimated at 49,163. In 2002, the population of Castro was 40,982. Castro has grown by 208 in the last year, which represents a 0.42% annual change. These population values and projections come from INE Chile estimaciones 2002-2017 comunas (base 2017) and INE Chile proyecciones 2018-2035 comunas (base 2017) .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Puente Alto | 674,064 | 0.44% |
| Maipu | 587,508 | 0.05% |
| Santiago | 559,385 | 1.31% |
| Antofagasta | 450,070 | 0.64% |
| La Florida | 408,195 | 0.11% |
| Vina del Mar | 375,478 | 0.52% |
| San Bernardo | 354,517 | 0.82% |
| Las Condes | 348,261 | 0.66% |
| Valparaiso | 322,865 | 0.31% |
| Temuco | 312,499 | 0.44% |
| Puerto Montt | 286,053 | 0.88% |
| Coquimbo | 284,623 | 1.6% |
| Quilicura | 283,583 | 1.37% |
| Rancagua | 278,486 | 0.73% |
| La Serena | 275,771 | 1.53% |
| Penalolen | 274,846 | 0.34% |
| Nunoa | 274,180 | 1.35% |
| Pudahuel | 264,180 | 0.47% |
| Arica | 260,902 | 0.71% |
| Talca | 244,782 | 0.49% |
| Concepcion | 240,336 | 0.11% |
| Iquique | 234,407 | 0.51% |
| Los Angeles | 225,833 | 0.45% |
| Estacion Central | 225,754 | 0.85% |
| Chillan | 206,500 | 0.58% |
| Colina | 204,528 | 1.75% |
| Recoleta | 198,780 | 0.48% |
| Calama | 197,438 | 0.31% |
| La Pintana | 188,629 | -0.09% |
| Valdivia | 184,440 | 0.63% |
| Copiapo | 177,675 | 0.43% |
| Osorno | 177,446 | 0.31% |
| Quilpue | 176,587 | 0.85% |
| Curico | 175,331 | 1.07% |
| El Bosque | 168,473 | -0.41% |
| Providencia | 166,220 | 0.66% |
| Renca | 163,389 | 0.07% |
| Talcahuano | 158,061 | -0.03% |
| Independencia | 157,214 | 1.18% |
| San Pedro de la Paz | 156,506 | 0.93% |
| Melipilla | 151,963 | 0.99% |
| San Miguel | 151,449 | 2.06% |
| Villa Alemana | 151,218 | 1.27% |
| Lampa | 150,106 | 2.36% |
| Alto Hospicio | 149,416 | 2.1% |
| Punta Arenas | 147,192 | 0.5% |
| Quinta Normal | 143,506 | 0.59% |
| Macul | 139,522 | 0.41% |
| Cerro Navia | 137,719 | -0.69% |
| Conchali | 134,625 | -0.76% |
| Lo Barnechea | 133,393 | 0.87% |
| Coronel | 130,182 | 0.46% |
| Ovalle | 125,662 | 0.49% |
| Buin | 121,737 | 1.54% |
| Huechuraba | 120,604 | 0.93% |
| La Granja | 117,466 | -0.78% |
| Penaflor | 109,415 | 1.18% |
| Linares | 105,181 | 0.57% |
| San Joaquin | 102,504 | -0.3% |
| Quillota | 102,467 | 0.73% |
| Pedro Aguirre Cerda | 102,412 | -0.99% |
| La Cisterna | 101,371 | -0.03% |
| Lo Prado | 100,361 | -0.85% |
| San Antonio | 99,407 | 0.42% |
| Lo Espejo | 98,860 | -0.92% |
| Hualpen | 98,306 | 0.12% |
| La Reina | 98,219 | -0.51% |
| Vitacura | 96,261 | -0.42% |
| Chiguayante | 92,231 | 0.14% |
| Paine | 90,729 | 1.32% |
| Cerrillos | 90,328 | 0.07% |
| San Felipe | 88,351 | 0.86% |
| Talagante | 87,151 | 0.93% |
| Padre Las Casas | 86,782 | 0.8% |
| Padre Hurtado | 85,327 | 2.13% |
| San Fernando | 82,220 | 0.66% |
| San Ramon | 82,142 | -0.94% |
| Maule | 72,933 | 2.73% |
| Los Andes | 69,228 | 0.19% |
| Machali | 66,825 | 1.54% |
| Rengo | 66,666 | 0.65% |
| Coyhaique | 62,318 | 0.2% |
| Villarrica | 61,319 | 0.51% |
| Tome | 59,282 | 0.1% |
| San Carlos | 57,372 | 0.26% |
| Vallenar | 57,362 | -0.01% |
| Angol | 57,062 | 0.22% |
| Calera | 53,985 | 0.07% |
| Molina | 53,167 | 1.02% |
| San Vicente | 53,003 | 0.66% |
| Puerto Varas | 52,572 | 1.2% |
| Limache | 52,497 | 0.76% |
| San Javier | 52,425 | 0.92% |
| Constitucion | 50,704 | 0.05% |
| Penco | 50,298 | 0.1% |
| Concon | 49,216 | 1.05% |
| Castro | 49,163 | 0.42% |
| San Clemente | 48,808 | 0.83% |
| Parral | 46,030 | 0.48% |
| Lota | 45,254 | -0.17% |
| Cauquenes | 44,545 | 0.11% |
| Isla de Maipo | 43,348 | 1.07% |
| Santa Cruz | 43,241 | 0.76% |
| El Monte | 43,213 | 1.15% |
| Ancud | 42,538 | 0.02% |
| Lautaro | 42,369 | 0.56% |
| La Union | 39,775 | 0.09% |
| Quintero | 39,715 | 1.39% |
| Curacavi | 39,222 | 1.08% |
| Arauco | 39,026 | 0.1% |
| Graneros | 38,945 | 0.97% |
| Chimbarongo | 38,749 | 0.38% |
| La Ligua | 38,624 | 0.29% |
| Calbuco | 37,988 | 0.46% |
| Canete | 37,606 | 0.2% |
| Chillan Viejo | 36,333 | 1.02% |
| Panguipulli | 36,279 | 0.07% |
| Victoria | 35,555 | 0% |
| Nueva Imperial | 34,276 | 0.17% |
| Pirque | 34,192 | 1.71% |
| Longavi | 34,053 | 0.56% |
| Curanilahue | 33,944 | 0.01% |
| Vilcun | 33,789 | 1.59% |
| Illapel | 33,079 | 0.08% |
| Rio Bueno | 33,027 | 0.04% |
| Monte Patria | 32,690 | 0.02% |
| Teno | 32,368 | 0.75% |
| Requinoa | 32,328 | 0.93% |
| Cabrero | 31,236 | 0.21% |
| Casablanca | 31,180 | 1.03% |
| Mulchen | 31,134 | 0.01% |
| Pucon | 31,076 | 0.57% |
| Calera de Tango | 31,060 | 1.25% |
| Vicuna | 30,856 | 0.5% |
| Quellon | 30,500 | 0.59% |
| Salamanca | 30,236 | 0.52% |
| Coihueco | 29,373 | 0.52% |
| La Cruz | 29,100 | 2.09% |
| Mostazal | 29,056 | 0.87% |
| Tocopilla | 28,382 | 0.05% |
| Las Cabras | 28,189 | 0.78% |
| Nacimiento | 28,045 | 0.02% |
| Cartagena | 27,885 | 1.49% |
| Llaillay | 27,605 | 0.57% |
| Lebu | 27,151 | -0.01% |
| Hualqui | 26,942 | 0.34% |
| Pitrufquen | 26,839 | 0.41% |
| Collipulli | 26,715 | 0.29% |
| Carahue | 25,516 | 0% |
| Freire | 25,479 | -0.02% |
| Aysen | 25,277 | 0.11% |
| Natales | 24,980 | 0.69% |
| Los Vilos | 24,868 | 0.92% |
| Loncoche | 24,778 | -0.02% |
| Mariquina | 24,338 | 0.67% |
| Donihue | 24,081 | 0.9% |
| Laja | 23,926 | 0.01% |
| Colbun | 23,902 | 0.88% |
| Nogales | 23,685 | 0.08% |
| Los Alamos | 23,133 | 0.38% |
| Tiltil | 22,897 | 0.89% |
| Bulnes | 22,780 | 0.04% |
| Coltauco | 22,549 | 0.9% |
| San Esteban | 22,262 | 1.14% |
| Yumbel | 22,232 | 0.07% |
| Puchuncavi | 21,740 | 1.16% |
| Retiro | 21,672 | 0.41% |
| Pichidegua | 21,184 | 0.24% |
| Frutillar | 21,081 | 0.62% |
| Paillaco | 20,982 | 0.08% |
| Purranque | 20,908 | -0.14% |
| Cabildo | 20,769 | 0.02% |
| Olmue | 20,713 | 1.14% |
| Los Lagos | 20,504 | -0.04% |
| Caldera | 20,141 | 0.42% |
| Yerbas Buenas | 20,078 | 0.69% |
| Nancagua | 19,981 | 0.63% |
| San Jose de Maipo | 19,879 | 0.91% |
| Sagrada Familia | 19,869 | 0.28% |
| Hijuelas | 19,604 | 0.34% |
| Quillon | 19,532 | 0.57% |
| El Quisco | 19,296 | 1.17% |
| Traiguen | 19,235 | -0.07% |
| Pichilemu | 19,223 | 1.09% |
| Pozo Almonte | 19,198 | 1.24% |
| Llanquihue | 18,959 | 0.25% |
| Yungay | 18,924 | 0.22% |
| Villa Alegre | 18,279 | 0.66% |
| Lanco | 18,228 | 0.49% |
| Calle Larga | 18,219 | 1.52% |
| Curacautin | 18,203 | -0.03% |
| Putaendo | 18,164 | 0.37% |
| Cunco | 18,069 | 0.01% |
| Los Muermos | 17,832 | 0% |
| Romeral | 17,292 | 1.07% |
| Santa Maria | 17,228 | 0.77% |
| Coelemu | 16,909 | 0.02% |
| San Ignacio | 16,565 | -0.11% |
| Algarrobo | 16,488 | 1.18% |
| Chonchi | 16,384 | 0.37% |
| Mejillones | 16,291 | 1.27% |
| Chepica | 16,228 | 0.24% |
| Maria Pinto | 16,006 | 1.06% |
| Catemu | 15,932 | 0.68% |
| Teodoro Schmidt | 15,708 | -0.13% |
| Dalcahue | 15,631 | 0.55% |
| El Tabo | 15,546 | 1.11% |
| Tucapel | 15,514 | 0.24% |
| Rio Claro | 15,297 | 0.54% |
| Olivar | 15,175 | 0.55% |
| Futrono | 15,135 | -0.18% |
| Peumo | 15,046 | 0.05% |
| Gorbea | 15,031 | -0.15% |
| Santa Juana | 14,920 | 0.09% |
| Codegua | 14,860 | 0.78% |
| Santa Barbara | 14,694 | 0.05% |
| Maullin | 14,659 | -0.26% |
| Quinta de Tilcoco | 14,469 | 0.63% |
| Tierra Amarilla | 14,448 | 0.05% |
| Malloa | 14,349 | 0.17% |
| Taltal | 14,027 | 0.2% |
| Rio Negro | 13,991 | -0.33% |
| Combarbala | 13,823 | -0.12% |
| Palmilla | 13,725 | 0.43% |
| Diego de Almagro | 13,710 | -0.7% |
| Chanaral | 12,926 | -0.35% |
| Santo Domingo | 12,900 | 1.11% |
| San Pedro | 12,790 | 0.96% |
| Cholchol | 12,770 | 0.5% |
| Punitaqui | 12,654 | 0.55% |
| San Nicolas | 12,621 | 0.52% |
| Saavedra | 12,596 | -0.27% |
| Fresia | 12,529 | -0.18% |
| Galvarino | 12,528 | -0.16% |
| Rinconada | 12,370 | 1.36% |
| Peralillo | 12,320 | 0.58% |
| Pinto | 12,311 | 0.52% |
| Quirihue | 12,245 | 0.01% |
| El Carmen | 12,119 | -0.32% |
| Puren | 12,045 | -0.2% |
| Rauco | 11,987 | 0.98% |
| Florida | 11,878 | 0.02% |
| Andacollo | 11,837 | -0.01% |
| Puyehue | 11,826 | 0.03% |
| Huasco | 11,705 | 0.47% |
| Niquen | 11,495 | -0.15% |
| San Pedro de Atacama | 11,203 | 0.74% |
| Tirua | 11,136 | 0.14% |
| Lonquimay | 11,125 | 0.05% |
| Renaico | 11,067 | 0.28% |
| Petorca | 10,641 | 0.05% |
| Negrete | 10,625 | 0.25% |
| San Rafael | 10,604 | 0.97% |
| San Pablo | 10,514 | -0.08% |
| Lago Ranco | 10,249 | -0.13% |
| Hualane | 10,210 | -0.09% |
| Quilleco | 9,966 | -0.07% |
| Tolten | 9,879 | -0.3% |
| Lumaco | 9,850 | -0.37% |
| Hualaihue | 9,614 | 0.09% |
| Pelarco | 9,555 | 0.77% |
| Canela | 9,478 | -0.17% |
| Placilla | 9,324 | 0.23% |
| Chanco | 9,210 | -0.25% |
| Isla de Pascua | 9,121 | 1.38% |
| Puerto Octay | 8,995 | -0.33% |
| Curepto | 8,992 | -0.77% |
| Quemchi | 8,732 | -0.1% |
| Pencahue | 8,623 | -0.03% |
| Pelluhue | 8,606 | 0.94% |
| Pemuco | 8,549 | -0.2% |
| Zapallar | 8,537 | 0.98% |
| Ercilla | 8,350 | -0.19% |
| Quinchao | 8,133 | -0.32% |
| Coinco | 8,097 | 0.43% |
| Alhue | 8,044 | 1.13% |
| Panquehue | 7,937 | 0.61% |
| Curarrehue | 7,894 | 0.11% |
| Freirina | 7,888 | 0.29% |
| Porvenir | 7,755 | 0.75% |
| Marchihue | 7,745 | 0.19% |
| Lolol | 7,523 | 0.45% |
| Los Sauces | 7,449 | -0.13% |
| Mafil | 7,357 | -0.12% |
| San Juan de la Costa | 7,332 | -0.64% |
| Perquenco | 7,279 | 0.04% |
| Navidad | 7,237 | 0.68% |
| Litueche | 7,028 | 0.56% |
| Licanten | 6,975 | -0.07% |
| Alto Biobio | 6,810 | -0.12% |
| Papudo | 6,545 | 0.82% |
| Pica | 6,402 | 0.85% |
| Contulmo | 6,362 | 0.05% |
| Maria Elena | 6,359 | -1.09% |
| Melipeuco | 6,336 | 0.13% |
| Ranquil | 6,293 | -0.02% |
| Paredones | 6,210 | -0.4% |
| Cisnes | 5,883 | 0.09% |
| Treguaco | 5,792 | 0.22% |
| Alto del Carmen | 5,789 | 0.07% |
| Queilen | 5,537 | -0.04% |
| Corral | 5,406 | -0.18% |
| Ninhue | 5,321 | -0.3% |
| Cobquecura | 5,198 | -0.25% |
| Chile Chico | 5,174 | 0.1% |
| Chaiten | 5,113 | 0.37% |
| San Fabian | 4,851 | 0.58% |
| Portezuelo | 4,842 | -0.35% |
| Paiguano | 4,716 | 0.06% |
| La Higuera | 4,561 | 0.29% |
| Antuco | 4,330 | 0.05% |
| Vichuquen | 4,276 | -0.42% |
| Rio Hurtado | 4,274 | -0.4% |
| Puqueldon | 4,181 | -0.07% |
| Quilaco | 4,177 | -0.02% |
| Curaco de Velez | 4,165 | 0.34% |
| Empedrado | 4,153 | -0.29% |
| Cochamo | 3,919 | -0.33% |
| Cochrane | 3,759 | 0.21% |
| San Rosendo | 3,526 | -0.37% |
| Pumanque | 3,507 | -0.09% |
| Huara | 3,125 | 0.45% |
| La Estrella | 3,086 | -0.19% |
| Futaleufu | 2,963 | 0.85% |
| Rio Ibanez | 2,715 | 0.04% |
| Putre | 2,586 | 0.31% |
| Cabo de Hornos | 1,958 | -0.25% |
| Palena | 1,821 | -0.16% |
| Sierra Gorda | 1,813 | 0.39% |
| Guaitecas | 1,614 | 0.12% |
| Colchane | 1,534 | -0.78% |
| Camina | 1,365 | -0.44% |
| Camarones | 1,251 | 0.24% |
| Juan Fernandez | 1,141 | 1.78% |
| Torres del Paine | 1,103 | 0.91% |
| Lago Verde | 910 | -0.22% |
| General Lagos | 794 | -0.38% |
| O'Higgins | 681 | 0.29% |
| Primavera | 664 | -0.75% |
| San Gregorio | 638 | -0.93% |
| Tortel | 589 | 0.51% |
| Timaukel | 274 | 0% |
| Ollague | 260 | -1.89% |
| Laguna Blanca | 242 | -1.63% |
| Rio Verde | 201 | -0.5% |
| Antartica | 156 | 1.3% |