Buenos Aires, Argentina
Capital city · Population 2.9M
Buenos Aires is the capital and the largest city in Argentina with a population of approximately 2,891,082 people as of 2026. This makes it the 121st largest city in the world, accounting for 6.19% of Argentina's total population of 46.7M. Buenos Aires is classified as a major city and operates in the America/Argentina/Buenos_Aires timezone. The average annual temperature is 17.7°C with 1,097 mm of rainfall per year. The city sits at an elevation of 19 meters above sea level.
Population
2,891,082
Global Rank
#121
Country Rank
#1
% of Argentina
6.19%
Avg Temperature
17.7°C
Annual Rainfall
1,097 mm
Elevation
19 m
Timezone
America/Argentina/Buenos_Aires
Buenos Aires on the Map
Climate in Buenos Aires
Buenos Aires's warmest month is Feb and the coldest is Jul. The wettest month is Mar with 277 mm of rainfall.
Average Monthly Temperature
Monthly Rainfall
Argentina at a Glance
Country Population
46,735,004
Capital
Buenos Aires
Region
South America
Major Cities
42
GDP per Capita
$13,970
Life Expectancy
77.4 years
Urban Population
92.3%
Growth Rate
0.01%
Other Major Cities in Argentina
Nearest Major Cities
Closest cities to Buenos Aires with over 100,000 people
| City | Population | Distance |
|---|---|---|
| Balvanera | 152,198 | 2 km |
| Belgrano | 138,942 | 9 km |
| Villa Lugano | 114,000 | 11 km |
| Lomas de Zamora | 111,897 | 16 km |
| Quilmes | 262,379 | 16 km |
| San Justo | 105,274 | 19 km |
| Berazategui | 180,523 | 23 km |
| Castelar | 107,786 | 24 km |
Frequently Asked Questions
What is the population of Buenos Aires?
The population of Buenos Aires, Argentina is approximately 2,891,082 people, making it the 121st largest city in the world and the 1st largest in Argentina.
Is Buenos Aires the capital of Argentina?
Yes, Buenos Aires is the capital of Argentina.
What is the climate like in Buenos Aires?
Buenos Aires has an average annual temperature of 17.7°C and receives 1,097 mm of rainfall per year. The warmest month is Feb and the coldest is Jul.
What timezone is Buenos Aires in?
Buenos Aires is in the America/Argentina/Buenos_Aires timezone.