San Martin Population 2026
San Martin has a population of 130,000, making it the #21 biggest city in 🇵🇪 Peru, located in Piura. Roughly 0.4% of Peru's population lives here. It is about 60× smaller than Lima, the country's biggest city.
Population (city proper)
130,000
Rank in Peru
#21
Coordinates
5.19°S, 80.67°W
~35 m elevation · America/Lima
Distance to capital (Lima)
861 km
535 miles, straight line
Other big cities in Piura
| City | Population | Rank in Peru |
|---|---|---|
| Piura | 630,000 | #5 |
| Sullana | 160,789 | #18 |
| Talara | 99,074 | #25 |
| Chulucanas | 68,835 | #36 |
| Catacaos | 57,304 | #47 |
| Paita | 56,151 | #48 |
| La Unión | 34,834 | #68 |
| Tambo Grande | 30,033 | #76 |
Cities near San Martin
- Piura630,000 people · ~1 km away
- Catacaos57,304 people · ~9 km away
- La Unión34,834 people · ~25 km away
- Sullana160,789 people · ~31 km away
- Marcavelica25,645 people · ~34 km away
- Querecotillo25,396 people · ~39 km away
FAQ
What is the population of San Martin?
San Martin has a population of 130,000 (city proper, latest official figure via GeoNames), making it the #21 biggest city in Peru.
What region is San Martin in?
San Martin is located in Piura, Peru.
Is San Martin the capital of Peru?
No, the capital of Peru is Lima, about 861 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.