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Açailândia: population and official figures

Population (IBGE estimate, 1 July)
110,703
2026
Population, 2022 census
106,550
2022
Area (km²)
5,805.2
2022
People per km² (2022 census)
18.4
2022

In depth

What is the population of Açailândia?

IBGE, Brazil's national statistics institute, estimated the population of Açailândia at 110,703 on 1 July 2026, the 304th largest of Brazil's 5,570 municipalities, the 8th largest of the 217 municipalities in Maranhão state. The 2022 census counted 106,550 residents.

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

Is the population of Açailândia growing?

Between the 2010 and 2022 censuses the population of Açailândia grew by 2,503, from 104,047 (2010 count adjusted to 2022 boundaries) to 106,550, an average of +0.20% a year; the 69th 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 Açailândia changed since the 2022 census?

IBGE's estimates put Açailândia's population 4,153 above the 2022 census count by July 2026 (+3.9%), against +5.5% for Brazil as a whole; the estimate was 110,611 in 2025 and 110,506 in 2024.

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

How big is Açailândia?

Açailândia covers 5,805.2 km² and had 18.4 residents per km² at the 2022 census, the 16th 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 Maranhão state's population lives in Açailândia?

Açailândia holds 1.6% of the estimated 7,024,557 people in Maranhão state and 0.05% of Brazil's 214,211,951 (2026 estimates).

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

Is Açailândia a metropolis?

IBGE's urban hierarchy (REGIC) ranks Açailândia as a sub-regional centre, level 3B on a scale whose top level is 1A, and Açailândia is part of the Região Metropolitana do Sudoeste Maranhense.

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

More figures

Who runs Açailândia?

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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