Merlo Population 2026
Merlo has a population of 268,961, making it the #12 biggest city in 🇦🇷 Argentina, located in Buenos Aires. Roughly 0.6% of Argentina's population lives here. It is about 11× smaller than Buenos Aires, the country's biggest city.
Population (city proper)
268,961
Rank in Argentina
#12
Coordinates
34.67°S, 58.73°W
~13 m elevation · America/Argentina/Buenos_Aires
Distance to capital (Buenos Aires)
33 km
20 miles, straight line
Other big cities in Buenos Aires
| City | Population | Rank in Argentina |
|---|---|---|
| Mar del Plata | 593,337 | #4 |
| Bahía Blanca | 299,101 | #10 |
| 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 Merlo
- San Antonio de Padua37,745 people · ~3 km away
- Castelar107,786 people · ~8 km away
- Pontevedra33,515 people · ~10 km away
- Morón99,066 people · ~10 km away
- Bella Vista79,737 people · ~12 km away
- Hurlingham60,000 people · ~12 km away
FAQ
What is the population of Merlo?
Merlo has a population of 268,961 (city proper, latest official figure via GeoNames), making it the #12 biggest city in Argentina.
What region is Merlo in?
Merlo is located in Buenos Aires, Argentina.
Is Merlo the capital of Argentina?
No, the capital of Argentina is Buenos Aires, about 33 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.
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