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Jacareí: population and official figures

Population (IBGE estimate, 1 July)
251,848
2026
Population, 2022 census
240,275
2022
Area (km²)
464.3
2022
People per km² (2022 census)
517.5
2022

In depth

What is the population of Jacareí?

IBGE, Brazil's national statistics institute, estimated the population of Jacareí at 251,848 on 1 July 2026, the 125th largest of Brazil's 5,570 municipalities, the 35th largest of the 645 municipalities in São Paulo state. The 2022 census counted 240,275 residents.

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

Is the population of Jacareí growing?

Between the 2010 and 2022 censuses the population of Jacareí grew by 29,061, from 211,214 (2010 count adjusted to 2022 boundaries) to 240,275, an average of +1.08% a year; the 130th 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 Jacareí changed since the 2022 census?

IBGE's estimates put Jacareí's population 11,573 above the 2022 census count by July 2026 (+4.8%), against +5.5% for Brazil as a whole; the estimate was 250,952 in 2025 and 249,968 in 2024.

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

How big is Jacareí?

Jacareí covers 464.3 km² and had 517.5 residents per km² at the 2022 census, the 133rd 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 São Paulo state's population lives in Jacareí?

Jacareí holds 0.5% of the estimated 46,179,008 people in São Paulo state and 0.12% of Brazil's 214,211,951 (2026 estimates).

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

Is Jacareí a metropolis?

IBGE's urban hierarchy (REGIC) ranks Jacareí (as part of the São José dos Campos/SP urban area) as a regional capital, level 2B on a scale whose top level is 1A, and Jacareí is part of the Região Metropolitana do Vale do Paraíba e Litoral Norte.

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

Who runs Jacareí?

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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