State IntegrityReceipts, not verdicts

Nova Iguaçu: population and official figures

Population (IBGE estimate, 1 July)
843,367
2026
Population, 2022 census
785,867
2022
Area (km²)
520.6
2022
People per km² (2022 census)
1,509.6
2022

In depth

What is the population of Nova Iguaçu?

IBGE, Brazil's national statistics institute, estimated the population of Nova Iguaçu at 843,367 on 1 July 2026, the 22nd largest of Brazil's 5,570 municipalities, the 4th largest of the 92 municipalities in Rio de Janeiro state. The 2022 census counted 785,867 residents.

Source: Instituto Brasileiro de Geografia e Estatística (IBGE) · saved copy

Is the population of Nova Iguaçu growing?

Between the 2010 and 2022 censuses the population of Nova Iguaçu grew by 765, from 785,102 (2010 count adjusted to 2022 boundaries) to 785,867, an average of +0.01% a year; the 41st slowest of 320 major Brazilian cities (Brazil: +0.52% a year).

Source: Instituto Brasileiro de Geografia e Estatística (IBGE) · saved copy

How has the population of Nova Iguaçu changed since the 2022 census?

IBGE's estimates put Nova Iguaçu's population 57,500 above the 2022 census count by July 2026 (+7.3%), against +5.5% for Brazil as a whole; the estimate was 843,220 in 2025 and 843,046 in 2024.

Source: Instituto Brasileiro de Geografia e Estatística (IBGE) · saved copy

How big is Nova Iguaçu?

Nova Iguaçu covers 520.6 km² and had 1,509.6 residents per km² at the 2022 census, the 72nd most densely populated of 320 major Brazilian cities (Brazil: 23.86 per km²).

Source: Instituto Brasileiro de Geografia e Estatística (IBGE) · saved copy

What share of Rio de Janeiro state's population lives in Nova Iguaçu?

Nova Iguaçu holds 4.9% of the estimated 17,225,410 people in Rio de Janeiro state and 0.39% of Brazil's 214,211,951 (2026 estimates).

Source: Instituto Brasileiro de Geografia e Estatística (IBGE) · saved copy

Is Nova Iguaçu a metropolis?

IBGE's urban hierarchy (REGIC) ranks Nova Iguaçu (as part of the Rio de Janeiro/RJ urban area) as a national metropolis, level 1B on a scale whose top level is 1A, and Nova Iguaçu is part of the Região Metropolitana do Rio de Janeiro.

Source: Instituto Brasileiro de Geografia e Estatística (IBGE) · saved copy

Who runs Nova Iguaçu?

In Brazil, cities and towns are run by municipalities: Mayor (prefeito) and council (câmara de vereadores) directly elected for four years; mayors can serve two terms in a row. Primary schools, basic health care, urban planning, local transport, waste; each has its own organic law.

How local power works in Brazil

Cities of a similar size in Brazil

Up a level: all cities in Brazil · Brazil · government and power

Sources

Each saved copy is the file exactly as downloaded, kept so the figures can be checked even if the source changes. Report an error.