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Porto Alegre: population and official figures

Population (IBGE estimate, 1 July)
1,388,791
2026
Population, 2022 census
1,332,845
2022
Area (km²)
495.4
2022
People per km² (2022 census)
2,690.5
2022

In depth

What is the population of Porto Alegre?

IBGE, Brazil's national statistics institute, estimated the population of Porto Alegre at 1,388,791 on 1 July 2026, the 12th largest of Brazil's 5,570 municipalities, the largest municipality in Rio Grande do Sul state. The 2022 census counted 1,332,845 residents.

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

Is the population of Porto Alegre growing?

Between the 2010 and 2022 censuses the population of Porto Alegre fell by 76,506, from 1,409,351 (2010 count adjusted to 2022 boundaries) to 1,332,845, an average of -0.46% a year; the 14th 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 Porto Alegre changed since the 2022 census?

IBGE's estimates put Porto Alegre's population 55,946 above the 2022 census count by July 2026 (+4.2%), against +5.5% for Brazil as a whole; the estimate was 1,388,794 in 2025 and 1,389,322 in 2024.

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

How big is Porto Alegre?

Porto Alegre covers 495.4 km² and had 2,690.5 residents per km² at the 2022 census, the 44th 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 Rio Grande do Sul state's population lives in Porto Alegre?

Porto Alegre holds 12.4% of the estimated 11,233,317 people in Rio Grande do Sul state and 0.65% of Brazil's 214,211,951 (2026 estimates).

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

Is Porto Alegre a metropolis?

IBGE's urban hierarchy (REGIC) ranks Porto Alegre (as part of the Porto Alegre/RS urban area) as a metropolis, level 1C on a scale whose top level is 1A, and Porto Alegre is part of the Região Metropolitana de Porto Alegre.

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

Who runs Porto Alegre?

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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