The population of Viana do Castelo, Portugal in July 2025. How many residents now in Viana do Castelo?

The estimated population of Viana do Castelo as of July 2025 is around 37,860 residents. Please note: this population number is an estimate and may slightly change as people get born and die, it also depends on migration to/from Viana do Castelo.

Check out more data on population in Portugal:

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