San Martín Population 2026
San Martín has a population of 82,549, making it the #55 biggest city in 🇦🇷 Argentina, located in Mendoza. Roughly 0.2% of Argentina's population lives here. It is about 35× smaller than Buenos Aires, the country's biggest city.
Population (city proper)
82,549
Rank in Argentina
#55
Coordinates
33.08°S, 68.47°W
~656 m elevation · America/Argentina/Mendoza
Distance to capital (Buenos Aires)
947 km
588 miles, straight line
Other big cities in Mendoza
| City | Population | Rank in Argentina |
|---|---|---|
| San Rafael | 118,009 | #31 |
| Mendoza | 114,893 | #34 |
Cities near San Martín
- Mendoza114,893 people · ~41 km away
- Pocito40,969 people · ~156 km away
- Caucete33,609 people · ~160 km away
- San Rafael118,009 people · ~171 km away
- Santa Lucía43,565 people · ~172 km away
- San Juan109,123 people · ~172 km away
FAQ
What is the population of San Martín?
San Martín has a population of 82,549 (city proper, latest official figure via GeoNames), making it the #55 biggest city in Argentina.
What region is San Martín in?
San Martín is located in Mendoza, Argentina.
Is San Martín the capital of Argentina?
No, the capital of Argentina is Buenos Aires, about 947 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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