La Unión Population 2026
La Unión has a population of 20,769, making it the #232 biggest city in 🇨🇴 Colombia, located in Antioquia. It is about 370× smaller than Bogotá, the country's biggest city.
Population (city proper)
20,769
Rank in Colombia
#232
Coordinates
5.97°N, 75.36°W
~2,475 m elevation · America/Bogota
Distance to capital (Bogotá)
208 km
129 miles, straight line
Other big cities in Antioquia
Cities near La Unión
FAQ
What is the population of La Unión?
La Unión has a population of 20,769 (city proper, latest official figure via GeoNames), making it the #232 biggest city in Colombia.
What region is La Unión in?
La Unión is located in Antioquia, Colombia.
Is La Unión the capital of Colombia?
No, the capital of Colombia is Bogotá, about 208 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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