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Imperatriz: population and official figures

Population (IBGE estimate, 1 July)
286,383
2026
Population, 2022 census
273,110
2022
Area (km²)
1,369.0
2022
People per km² (2022 census)
199.5
2022

In depth

What is the population of Imperatriz?

IBGE, Brazil's national statistics institute, estimated the population of Imperatriz at 286,383 on 1 July 2026, the 106th largest of Brazil's 5,570 municipalities, the 2nd largest of the 217 municipalities in Maranhão state. The 2022 census counted 273,110 residents.

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

Is the population of Imperatriz growing?

Between the 2010 and 2022 censuses the population of Imperatriz grew by 25,605, from 247,505 (2010 count adjusted to 2022 boundaries) to 273,110, an average of +0.82% a year; the 154th 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 Imperatriz changed since the 2022 census?

IBGE's estimates put Imperatriz's population 13,273 above the 2022 census count by July 2026 (+4.9%), against +5.5% for Brazil as a whole; the estimate was 285,806 in 2025 and 285,146 in 2024.

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

How big is Imperatriz?

Imperatriz covers 1,369.0 km² and had 199.5 residents per km² at the 2022 census, the 105th 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 Imperatriz?

Imperatriz holds 4.1% of the estimated 7,024,557 people in Maranhão state and 0.13% of Brazil's 214,211,951 (2026 estimates).

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

Is Imperatriz a metropolis?

IBGE's urban hierarchy (REGIC) ranks Imperatriz (as part of the Imperatriz/MA urban area) as a regional capital, level 2C on a scale whose top level is 1A, and Imperatriz is part of the Região Metropolitana do Sudoeste Maranhense.

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

More figures

Who runs Imperatriz?

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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