Population of Castelo Branco, Portugal as of January 2026. How many people live in Castelo Branco today?

The exact population of Castelo Branco as of January 2026 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