Arroyo Seco Population 2026

Arroyo Seco has a population of 20,620, making it the #201 biggest city in 🇦🇷 Argentina, located in Santa Fe. It is about 140× smaller than Buenos Aires, the country's biggest city.

Buenos AiresArroyo Seco
Location of Arroyo Seco (capital Buenos Aires shown for reference). Boundaries: Natural Earth.
Population (city proper)
20,620
Rank in Argentina
#201
Coordinates
33.15°S, 60.51°W
~31 m elevation · America/Argentina/Cordoba
Distance to capital (Buenos Aires)
255 km
158 miles, straight line

Other big cities in Santa Fe

CityPopulationRank in Argentina
Rosario948,312#3
Santa Fe391,164#7
Reconquista90,184#50
Rafaela88,713#52
Gobernador Gálvez74,650#60
Venado Tuerto72,340#65
Santo Tomé59,072#74
Villa Constitución44,271#105

Cities near Arroyo Seco

FAQ

What is the population of Arroyo Seco?
Arroyo Seco has a population of 20,620 (city proper, latest official figure via GeoNames), making it the #201 biggest city in Argentina.
What region is Arroyo Seco in?
Arroyo Seco is located in Santa Fe, Argentina.
Is Arroyo Seco the capital of Argentina?
No, the capital of Argentina is Buenos Aires, about 255 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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