Diadema Population 2026
Diadema has a population of 393,237, making it the #58 biggest city in 🇧🇷 Brazil, located in São Paulo. Roughly 0.2% of Brazil's population lives here. It is about 32× smaller than São Paulo, the country's biggest city.
Population (city proper)
393,237
Rank in Brazil
#58
Coordinates
23.69°S, 46.62°W
~784 m elevation · America/Sao_Paulo
Distance to capital (Brasília)
890 km
553 miles, straight line
Other big cities in São Paulo
| City | Population | Rank in Brazil |
|---|---|---|
| São Paulo | 12,400,232 | #1 |
| Guarulhos | 1,169,577 | #13 |
| Campinas | 1,031,554 | #15 |
| São Bernardo do Campo | 743,372 | #23 |
| São José dos Campos | 729,737 | #24 |
| Osasco | 728,615 | #25 |
| Ribeirão Preto | 711,825 | #26 |
| Sorocaba | 687,357 | #27 |
Cities near Diadema
- São Bernardo do Campo743,372 people · ~6 km away
- Santo André662,373 people · ~9 km away
- São Caetano do Sul165,655 people · ~10 km away
- São Paulo12,400,232 people · ~15 km away
- Mauá477,552 people · ~17 km away
- Taboão da Serra273,542 people · ~18 km away
FAQ
What is the population of Diadema?
Diadema has a population of 393,237 (city proper, latest official figure via GeoNames), making it the #58 biggest city in Brazil.
What region is Diadema in?
Diadema is located in São Paulo, Brazil.
Is Diadema the capital of Brazil?
No, the capital of Brazil is Brasília, about 890 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.