Mar del Plata Population 2026
Mar del Plata has a population of 593,337, making it the #4 biggest city in 🇦🇷 Argentina, located in Buenos Aires. Roughly 1.3% of Argentina's population lives here. It is about 4.9× smaller than Buenos Aires, the country's biggest city.
Population (city proper)
593,337
Rank in Argentina
#4
Coordinates
38.00°S, 57.56°W
~14 m elevation · America/Argentina/Buenos_Aires
Distance to capital (Buenos Aires)
384 km
238 miles, straight line
Other big cities in Buenos Aires
| City | Population | Rank in Argentina |
|---|---|---|
| Bahía Blanca | 299,101 | #10 |
| Merlo | 268,961 | #12 |
| Quilmes | 262,379 | #13 |
| José C. Paz | 230,208 | #18 |
| La Plata | 195,443 | #20 |
| Berazategui | 180,523 | #21 |
| San Miguel | 168,762 | #24 |
| San Nicolás de los Arroyos | 134,217 | #30 |
Cities near Mar del Plata
- Balcarce38,823 people · ~64 km away
- Villa Gesell23,257 people · ~97 km away
- Pinamar45,000 people · ~116 km away
- General Juan Madariaga16,763 people · ~117 km away
- Necochea73,557 people · ~120 km away
- Ayacucho17,364 people · ~125 km away
FAQ
What is the population of Mar del Plata?
Mar del Plata has a population of 593,337 (city proper, latest official figure via GeoNames), making it the #4 biggest city in Argentina.
What region is Mar del Plata in?
Mar del Plata is located in Buenos Aires, Argentina.
Is Mar del Plata the capital of Argentina?
No, the capital of Argentina is Buenos Aires, about 384 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
← All biggest cities in Argentina · Argentina population by year