About San Justo
San Justo is a city located in Argentina, in the Buenos Aires Province region. According to the latest available data (2026), the population of San Justo is approximately 136,604 residents, making it the #120 most populous city in Argentina.
Globally, San Justo ranks #12,172 among the world's most populated cities.
San Justo City Statistics
| City | San Justo |
| Country | |
| Population | 136,604 |
| Global Rank | #12,172 |
| Rank in Argentina | #120 of 176 cities |
| City Category | city |
| Region | Buenos Aires Province |
| Latitude | -34.6833 |
| Longitude | -58.55 |
| Data Year | 2026 |
Where is San Justo
Located?
San Justo is located in Argentina, in the Buenos Aires Province region, at coordinates -34.6833° latitude and -58.55° longitude. Located in the southern hemisphere, San Justo experiences seasons opposite to those in the northern hemisphere.
Nearby Cities
Other Cities in Argentina
Largest Cities in Argentina
| # | City | Population |
|---|---|---|
| 1 | Buenos Aires | 3,121,707 |
| 2 | Córdoba | 1,505,250 |
| 3 | Rosario Department | 1,348,725 |
| 4 | Rosario | 1,037,710 |
| 5 | La Plata Partido | 768,547 |
Frequently Asked Questions
What is the population of San Justo?
The population of San Justo is approximately 136,604 residents according to the latest available data (2026).
Where is San Justo located?
San Justo is located in Argentina at approximately -34.6833° latitude and -58.55° longitude.
Is San Justo one of the largest cities in Argentina?
With a population of 136,604, San Justo is one of the notable urban areas in Argentina. It ranks #120 out of 176 cities in the country.