Castro Population 2026
Castro has a population of 41,667, making it the #66 biggest city in 🇨🇱 Chile, located in Los Lagos Region. Roughly 0.2% of Chile's population lives here. It is about 116× smaller than Santiago, the country's biggest city.
Population (city proper)
41,667
Rank in Chile
#66
Coordinates
42.47°S, 73.77°W
~81 m elevation · America/Santiago
Distance to capital (Santiago)
1,039 km
645 miles, straight line
Other big cities in Los Lagos Region
| City | Population | Rank in Chile |
|---|---|---|
| Puerto Montt | 245,902 | #8 |
| Osorno | 135,773 | #26 |
| Ancud | 40,819 | #68 |
| Puerto Varas | 37,561 | #74 |
| Calbuco | 32,963 | #79 |
| Quellón | 21,823 | #113 |
| Purranque | 20,705 | #115 |
| Llanquihue | 16,249 | #132 |
Cities near Castro
- Ancud40,819 people · ~67 km away
- Quellón21,823 people · ~73 km away
- Calbuco32,963 people · ~94 km away
- Maullín15,580 people · ~96 km away
- Puerto Montt245,902 people · ~131 km away
- Puerto Varas37,561 people · ~144 km away
FAQ
What is the population of Castro?
Castro has a population of 41,667 (city proper, latest official figure via GeoNames), making it the #66 biggest city in Chile.
What region is Castro in?
Castro is located in Los Lagos Region, Chile.
Is Castro the capital of Chile?
No, the capital of Chile is Santiago, about 1,039 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.