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

The exact population of Olhão as of January 2026 is estimated at 28,310 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 Olhão.

Check out more data on population in Portugal:

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