San Martín Population 2026
San Martín has a population of 39,361, making it the #16 biggest city in 🇸🇻 El Salvador, located in Cuscatlan. Roughly 0.6% of El Salvador's population lives here. It is about 13× smaller than San Salvador, the country's biggest city.
Population (city proper)
39,361
Rank in El Salvador
#16
Coordinates
13.78°N, 88.92°W
~622 m elevation · America/El_Salvador
Distance to capital (San Salvador)
31 km
19 miles, straight line
Other big cities in Cuscatlan
| City | Population | Rank in El Salvador |
|---|---|---|
| Cojutepeque | 48,411 | #12 |
Cities near San Martín
- Cojutepeque48,411 people · ~7 km away
- San Vicente41,504 people · ~21 km away
- Ilopango38,890 people · ~23 km away
- Soyapango329,708 people · ~25 km away
- Delgado71,594 people · ~28 km away
- Apopa112,158 people · ~28 km away
FAQ
What is the population of San Martín?
San Martín has a population of 39,361 (city proper, latest official figure via GeoNames), making it the #16 biggest city in El Salvador.
What region is San Martín in?
San Martín is located in Cuscatlan, El Salvador.
Is San Martín the capital of El Salvador?
No, the capital of El Salvador is San Salvador, about 31 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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