Population of Buenos Aires, Argentina as of April 2025. How many people live in Buenos Aires today?

The exact population of Buenos Aires as of April 2025 is estimated at 3,120,612 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 Buenos Aires.

Check out more data on population in Argentina:

• Presidencia Roque Sáenz Peña
• Virrey del Pino
• Rafaela
• Trujui
• Trelew
• Ramos Mejía
• Castelar