Population of Mar del Plata, Argentina as of January 2026. How many people live in Mar del Plata today?

The exact population of Mar del Plata as of January 2026 is estimated at 593,337 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 Mar del Plata.

Check out more data on population in Argentina:

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