About Diadema
Diadema is a city in Sao Paulo, Brazil with a population of 403,579. It is the 61st largest of the 2,250 cities of 15,000 or more listed in Brazil, and the 1,421st largest worldwide. It lies 890 km from Brasília.
Key Facts
Country
Region
Rank in region
#15of 303
Elevation
784 m
Approximate — modelled, not surveyed
Time zone
America/Sao_Paulo
Coordinates
-23.686, -46.623
Record updated
2026-07-17
Entry edited, not measured
City population, GeoNames. GeoNames publishes no year for its population figures, so “record updated” is when the entry was last edited — not the date the population was measured. Elevation is modelled from a digital elevation model rather than surveyed, so it is approximate.
Nearby Cities
All 2,250 in BrazilClosest listed cities by great-circle distance from the city centre.