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Altamira: population and official figures

Population (IBGE estimate, 1 July)
140,450
2026
Population, 2022 census
126,279
2022
Area (km²)
159,533.3
2022
People per km² (2022 census)
0.8
2022

In depth

What is the population of Altamira?

IBGE, Brazil's national statistics institute, estimated the population of Altamira at 140,450 on 1 July 2026, the 226th largest of Brazil's 5,570 municipalities, the 10th largest of the 144 municipalities in Pará state. The 2022 census counted 126,279 residents.

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

Is the population of Altamira growing?

Between the 2010 and 2022 censuses the population of Altamira grew by 27,204, from 99,075 (2010 count adjusted to 2022 boundaries) to 126,279, an average of +2.04% a year; the 43rd 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 Altamira changed since the 2022 census?

IBGE's estimates put Altamira's population 14,171 above the 2022 census count by July 2026 (+11.2%), against +5.5% for Brazil as a whole; the estimate was 138,749 in 2025 and 136,982 in 2024.

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

How big is Altamira?

Altamira covers 159,533.3 km² and had 0.8 residents per km² at the 2022 census, the 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 Pará state's population lives in Altamira?

Altamira holds 1.6% of the estimated 8,756,324 people in Pará state and 0.07% of Brazil's 214,211,951 (2026 estimates).

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

Is Altamira a metropolis?

IBGE's urban hierarchy (REGIC) ranks Altamira as a sub-regional centre, level 3A on a scale whose top level is 1A; it is not part of an officially defined metropolitan region.

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

More figures

Who runs Altamira?

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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