La Unión Population 2026
La Unión has a population of 26,807, making it the #22 biggest city in 🇸🇻 El Salvador, located in La Union. Roughly 0.4% of El Salvador's population lives here. It is about 20× smaller than San Salvador, the country's biggest city.
Population (city proper)
26,807
Rank in El Salvador
#22
Coordinates
13.34°N, 87.84°W
~10 m elevation · America/El_Salvador
Distance to capital (San Salvador)
150 km
93 miles, straight line
Cities near La Unión
- San Miguel247,126 people · ~40 km away
- San Francisco16,152 people · ~49 km away
- San Rafael Oriente19,095 people · ~55 km away
- Usulután51,910 people · ~65 km away
- Santiago de María15,032 people · ~69 km away
- Puerto El Triunfo19,074 people · ~77 km away
FAQ
What is the population of La Unión?
La Unión has a population of 26,807 (city proper, latest official figure via GeoNames), making it the #22 biggest city in El Salvador.
What region is La Unión in?
La Unión is located in La Union, El Salvador.
Is La Unión the capital of El Salvador?
No, the capital of El Salvador is San Salvador, about 150 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.
← All biggest cities in El Salvador · El Salvador population by year