Itaguaí Population 2026
Itaguaí has a population of 123,980, making it the #238 biggest city in 🇧🇷 Brazil, located in Rio de Janeiro. Roughly 0.1% of Brazil's population lives here. It is about 100× smaller than São Paulo, the country's biggest city.
Population (city proper)
123,980
Rank in Brazil
#238
Coordinates
22.85°S, 43.78°W
~31 m elevation · America/Sao_Paulo
Distance to capital (Brasília)
899 km
558 miles, straight line
Other big cities in Rio de Janeiro
| City | Population | Rank in Brazil |
|---|---|---|
| Rio de Janeiro | 6,747,815 | #2 |
| Nova Iguaçu | 823,302 | #20 |
| Duque de Caxias | 818,329 | #21 |
| Campos dos Goytacazes | 511,168 | #40 |
| São João de Meriti | 466,536 | #45 |
| Belford Roxo | 466,096 | #46 |
| Niterói | 456,456 | #48 |
| Volta Redonda | 279,898 | #95 |
Cities near Itaguaí
- Universidade Rural26,371 people · ~13 km away
- Seropédica84,737 people · ~14 km away
- Japeri102,149 people · ~26 km away
- Queimados149,093 people · ~27 km away
- Piraí29,054 people · ~28 km away
- Paracambi43,656 people · ~28 km away
FAQ
What is the population of Itaguaí?
Itaguaí has a population of 123,980 (city proper, latest official figure via GeoNames), making it the #238 biggest city in Brazil.
What region is Itaguaí in?
Itaguaí is located in Rio de Janeiro, Brazil.
Is Itaguaí the capital of Brazil?
No, the capital of Brazil is Brasília, about 899 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.