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Itaboraí: population and official figures

Population (IBGE estimate, 1 July)
240,169
2026
Population, 2022 census
224,267
2022
Area (km²)
430.0
2022
People per km² (2022 census)
521.6
2022

In depth

What is the population of Itaboraí?

IBGE, Brazil's national statistics institute, estimated the population of Itaboraí at 240,169 on 1 July 2026, the 136th largest of Brazil's 5,570 municipalities, the 13th largest of the 92 municipalities in Rio de Janeiro state. The 2022 census counted 224,267 residents.

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

Is the population of Itaboraí growing?

Between the 2010 and 2022 censuses the population of Itaboraí grew by 6,477, from 217,790 (2010 count adjusted to 2022 boundaries) to 224,267, an average of +0.24% a year; the 74th 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 Itaboraí changed since the 2022 census?

IBGE's estimates put Itaboraí's population 15,902 above the 2022 census count by July 2026 (+7.1%), against +5.5% for Brazil as a whole; the estimate was 240,127 in 2025 and 240,040 in 2024.

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

How big is Itaboraí?

Itaboraí covers 430.0 km² and had 521.6 residents per km² at the 2022 census, the 132nd 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 Itaboraí?

Itaboraí holds 1.4% of the estimated 17,225,410 people in Rio de Janeiro state and 0.11% of Brazil's 214,211,951 (2026 estimates).

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

Is Itaboraí a metropolis?

IBGE's urban hierarchy (REGIC) ranks Itaboraí (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 Itaboraí is part of the Região Metropolitana do Rio de Janeiro.

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

Who runs Itaboraí?

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

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