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Itanhaém: population and official figures

Population (IBGE estimate, 1 July)
119,274
2026
Population, 2022 census
112,476
2022
Area (km²)
601.7
2022
People per km² (2022 census)
186.9
2022

In depth

What is the population of Itanhaém?

IBGE, Brazil's national statistics institute, estimated the population of Itanhaém at 119,274 on 1 July 2026, the 280th largest of Brazil's 5,570 municipalities, the 72nd largest of the 645 municipalities in São Paulo state. The 2022 census counted 112,476 residents.

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

Is the population of Itanhaém growing?

Between the 2010 and 2022 censuses the population of Itanhaém grew by 25,419, from 87,057 (2010 count adjusted to 2022 boundaries) to 112,476, an average of +2.16% a year; the 35th fastest 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 Itanhaém changed since the 2022 census?

IBGE's estimates put Itanhaém's population 6,798 above the 2022 census count by July 2026 (+6.0%), against +5.5% for Brazil as a whole; the estimate was 118,495 in 2025 and 117,435 in 2024.

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

How big is Itanhaém?

Itanhaém covers 601.7 km² and had 186.9 residents per km² at the 2022 census, the 102nd least 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 São Paulo state's population lives in Itanhaém?

Itanhaém holds 0.3% of the estimated 46,179,008 people in São Paulo state and 0.06% of Brazil's 214,211,951 (2026 estimates).

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

Is Itanhaém a metropolis?

IBGE's urban hierarchy (REGIC) ranks Itanhaém (as part of the Baixada Santista/SP urban area) as a regional capital, level 2C on a scale whose top level is 1A, and Itanhaém is part of the Região Metropolitana da Baixada Santista.

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

Who runs Itanhaém?

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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