Map of San Marcos, San Salvador Department, El Salvador

San Marcos is a city in San Salvador Department, El Salvador, with a population of about 54,615. It lies at 13.6611°N, 89.1825°W. San Marcos is about 3 km (2 mi) south of San Salvador, the capital. The nearest city on our map is San Salvador, 3 km to the north.

San Marcos at a glance

Where is San Marcos?

• The 10th largest city in El Salvador by recorded population.
• The 6th largest city in San Salvador Department on this site.
• Located in the Northern and Western hemispheres.
• Daylight ranges from about 11 h 19 min on the shortest day to 12 h 56 min on the longest day (around 21 December and 21 June).

Cities near San Marcos

• San Salvador — 3 km north
• Delgado — 7 km north
• Mejicanos — 7 km north
• Soyapango — 7 km northeast
• Cuscatancingo — 7 km north
• Antiguo Cuscatlán — 8 km west
• Ilopango — 9 km northeast
• Santa Tecla — 11 km west
• Apopa — 16 km north
• Cojutepeque — 28 km east

Largest cities in San Salvador Department

• San Salvador — 525,990
• Soyapango — 329,708
• Mejicanos — 160,317
• Apopa — 112,158
• Delgado — 71,594
• Cuscatancingo — 44,369
• Ilopango — 38,890

Largest cities in El Salvador

• San Salvador — 525,990
• Soyapango — 329,708
• San Miguel — 247,126
• Santa Ana — 176,661
• Mejicanos — 160,317
• Santa Tecla — 124,694
• Apopa — 112,158
• Delgado — 71,594
• Sonsonate — 59,468
• Usulután — 51,910

Map of El Salvador and all its cities →

Other places named San Marcos

• San Marcos — California, United States
• San Marcos — Sucre Department, Colombia
• San Marcos — Texas, United States
• San Marcos — San Marcos, Guatemala

Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.