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Aracaju: population and official figures

Population (IBGE estimate, 1 July)
623,328
2026
Population, 2022 census
602,757
2022
Area (km²)
182.2
2022
People per km² (2022 census)
3,308.9
2022

In depth

What is the population of Aracaju?

IBGE, Brazil's national statistics institute, estimated the population of Aracaju at 623,328 on 1 July 2026, the 36th largest of Brazil's 5,570 municipalities, the largest municipality in Sergipe state. The 2022 census counted 602,757 residents.

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

Is the population of Aracaju growing?

Between the 2010 and 2022 censuses the population of Aracaju grew by 31,608, from 571,149 (2010 count adjusted to 2022 boundaries) to 602,757, an average of +0.45% a year; the 99th 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 Aracaju changed since the 2022 census?

IBGE's estimates put Aracaju's population 20,571 above the 2022 census count by July 2026 (+3.4%), against +5.5% for Brazil as a whole; the estimate was 621,408 in 2025 and 628,849 in 2024.

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

How big is Aracaju?

Aracaju covers 182.2 km² and had 3,308.9 residents per km² at the 2022 census, the 36th 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 Sergipe state's population lives in Aracaju?

Aracaju holds 27.0% of the estimated 2,307,255 people in Sergipe state and 0.29% of Brazil's 214,211,951 (2026 estimates).

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

Is Aracaju a metropolis?

IBGE's urban hierarchy (REGIC) ranks Aracaju (as part of the Aracaju/SE urban area) as a regional capital, level 2A on a scale whose top level is 1A, and Aracaju is part of the Região Metropolitana de Aracaju.

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

Who runs Aracaju?

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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