Luján Population 2026
Luján has a population of 97,363, making it the #43 biggest city in 🇦🇷 Argentina, located in Buenos Aires. Roughly 0.2% of Argentina's population lives here. It is about 30× smaller than Buenos Aires, the country's biggest city.
Population (city proper)
97,363
Rank in Argentina
#43
Coordinates
34.57°S, 59.11°W
~17 m elevation · America/Argentina/Buenos_Aires
Distance to capital (Buenos Aires)
68 km
42 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 |
| 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 |
Cities near Luján
- Pilar81,120 people · ~22 km away
- Mercedes63,284 people · ~30 km away
- José C. Paz230,208 people · ~32 km away
- Tortuguitas41,390 people · ~35 km away
- San Miguel168,762 people · ~37 km away
- Merlo268,961 people · ~37 km away
FAQ
What is the population of Luján?
Luján has a population of 97,363 (city proper, latest official figure via GeoNames), making it the #43 biggest city in Argentina.
What region is Luján in?
Luján is located in Buenos Aires, Argentina.
Is Luján the capital of Argentina?
No, the capital of Argentina is Buenos Aires, about 68 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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