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© 2026 STATLAS. Data under CC BY 4.0 from World Bank, GeoNames, Open-Meteo & others.

Indices labeled “modeled” are computed estimates — see methodology.

CitiesSan MarcosPopulation

Population in San Marcos

El Salvador · San Marcos profile

Population

54,615

people

World rank

#11162

of 33750

Percentile

67%

higher is better

Data quality

Measured

Total resident population.

Source: GeoNames · source data.

See full ranking About this metric San Marcos profile

FAQ

Frequently asked

What is the population in San Marcos?

San Marcos has a population of 54,615 people. Total resident population.

How does San Marcos rank for population?

San Marcos ranks #11162 of 33750 cities for population (higher is better).