La Unión Population 2026
La Unión has a population of 34,834, making it the #68 biggest city in 🇵🇪 Peru, located in Piura. Roughly 0.1% of Peru's population lives here. It is about 222× smaller than Lima, the country's biggest city.
Population (city proper)
34,834
Rank in Peru
#68
Coordinates
5.40°S, 80.74°W
~15 m elevation · America/Lima
Distance to capital (Lima)
844 km
524 miles, straight line
Other big cities in Piura
| City | Population | Rank in Peru |
|---|---|---|
| Piura | 630,000 | #5 |
| Sullana | 160,789 | #18 |
| San Martin | 130,000 | #21 |
| Talara | 99,074 | #25 |
| Chulucanas | 68,835 | #36 |
| Catacaos | 57,304 | #47 |
| Paita | 56,151 | #48 |
| Tambo Grande | 30,033 | #76 |
Cities near La Unión
FAQ
What is the population of La Unión?
La Unión has a population of 34,834 (city proper, latest official figure via GeoNames), making it the #68 biggest city in Peru.
What region is La Unión in?
La Unión is located in Piura, Peru.
Is La Unión the capital of Peru?
No, the capital of Peru is Lima, about 844 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.