About Diadema
Diadema is a city located in Brazil, in the São Paulo region. According to the latest available data (2026), the population of Diadema is approximately 403,579 residents, making it the #81 most populous city in Brazil.
Globally, Diadema ranks #4,582 among the world's most populated cities.
Diadema City Statistics
| City | Diadema |
| Country |  Brazil |
| Population | 403,579 |
| Global Rank | #4,582 |
| Rank in Brazil | #81 of 389 cities |
| City Category | city |
| Region | São Paulo |
| Latitude | -23.6858 |
| Longitude | -46.6228 |
| Data Year | 2026 |
Where is Diadema Located?
Diadema is located in Brazil, in the São Paulo region, at coordinates -23.6858° latitude and -46.6228° longitude. Located in the southern hemisphere, Diadema experiences seasons opposite to those in the northern hemisphere.
Nearby Cities
Other Cities in Brazil
Largest Cities in Brazil
| # | City | Population |
|---|---|---|
| 2 | Fortaleza | 2,578,483 |
| 3 | Salvador | 2,564,204 |
| 4 | Belo Horizonte | 2,415,872 |
| 5 | Manaus | 2,303,732 |
| 7 | Curitiba | 1,830,795 |
Frequently Asked Questions
What is the population of Diadema?
The population of Diadema is approximately 403,579 residents according to the latest available data (2026).
Where is Diadema located?
Diadema is located in Brazil at approximately -23.6858° latitude and -46.6228° longitude.
Is Diadema one of the largest cities in Brazil?
With a population of 403,579, Diadema is one of the notable urban areas in Brazil. It ranks #81 out of 389 cities in the country.
