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Barra Mansa: population and official figures

Population (IBGE estimate, 1 July)
181,675
2026
Population, 2022 census
169,894
2022
Area (km²)
547.1
2022
People per km² (2022 census)
310.5
2022

In depth

What is the population of Barra Mansa?

IBGE, Brazil's national statistics institute, estimated the population of Barra Mansa at 181,675 on 1 July 2026, the 173rd largest of Brazil's 5,570 municipalities, the 17th largest of the 92 municipalities in Rio de Janeiro state. The 2022 census counted 169,894 residents.

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

Is the population of Barra Mansa growing?

Between the 2010 and 2022 censuses the population of Barra Mansa fell by 7,053, from 176,947 (2010 count adjusted to 2022 boundaries) to 169,894, an average of -0.34% a year; the 19th 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 Barra Mansa changed since the 2022 census?

IBGE's estimates put Barra Mansa's population 11,781 above the 2022 census count by July 2026 (+6.9%), against +5.5% for Brazil as a whole; the estimate was 181,679 in 2025 and 181,688 in 2024.

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

How big is Barra Mansa?

Barra Mansa covers 547.1 km² and had 310.5 residents per km² at the 2022 census, the 140th 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 Rio de Janeiro state's population lives in Barra Mansa?

Barra Mansa holds 1.1% of the estimated 17,225,410 people in Rio de Janeiro state and 0.08% of Brazil's 214,211,951 (2026 estimates).

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

Is Barra Mansa a metropolis?

IBGE's urban hierarchy (REGIC) ranks Barra Mansa (as part of the Volta Redonda - Barra Mansa/RJ urban area) as a regional capital, level 2C 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

Who runs Barra Mansa?

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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