Population of Castelo Branco, Portugal as of December 2025. How many people live in Castelo Branco today?

The exact population of Castelo Branco as of December 2025 is estimated at 33,450 residents. Please note: this figure is an estimate and may slightly change as people get born and pass away, it also depends on migration to/from Castelo Branco.

Check out more data on population in Portugal:

• Beja
• São Mamede de Infesta
• Bragança
• Sacavém
• Guarda
• Valongo
• Senhora da Hora