La Unión Population 2026

La Unión has a population of 15,061, making it the #316 biggest city in 🇨🇴 Colombia, located in Nariño. It is about 510× smaller than Bogotá, the country's biggest city.

Location of La Unión (capital Bogotá shown for reference). Boundaries: Natural Earth.

Population (city proper)

15,061

Rank in Colombia

#316

Coordinates

1.60°N, 77.13°W

~1,721 m elevation · America/Bogota

Distance to capital (Bogotá)

476 km

296 miles, straight line

Other big cities in Nariño

City	Population	Rank in Colombia
Pasto	392,930	#17
Tumaco	86,713	#63
Ipiales	77,729	#70
Samaniego	49,085	#105
Túquerres	40,038	#126
El Charco	28,673	#176
Buesaco	19,951	#251
San Lorenzo	16,653	#296

Cities near La Unión

San Lorenzo16,653 people · ~15 km away
Buesaco19,951 people · ~25 km away
Pasto392,930 people · ~46 km away
Balboa18,910 people · ~50 km away
Patía37,781 people · ~52 km away
Samaniego49,085 people · ~59 km away

FAQ

What is the population of La Unión?

La Unión has a population of 15,061 (city proper, latest official figure via GeoNames), making it the #316 biggest city in Colombia.

What region is La Unión in?

La Unión is located in Nariño, Colombia.

Is La Unión the capital of Colombia?

No, the capital of Colombia is Bogotá, about 476 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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