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Cabo Frio: population and official figures

Population (IBGE estimate, 1 July)
236,772
2026
Population, 2022 census
222,161
2022
Area (km²)
413.4
2022
People per km² (2022 census)
537.3
2022

In depth

What is the population of Cabo Frio?

IBGE, Brazil's national statistics institute, estimated the population of Cabo Frio at 236,772 on 1 July 2026, the 138th largest of Brazil's 5,570 municipalities, the 14th largest of the 92 municipalities in Rio de Janeiro state. The 2022 census counted 222,161 residents.

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

Is the population of Cabo Frio growing?

Between the 2010 and 2022 censuses the population of Cabo Frio grew by 35,897, from 186,264 (2010 count adjusted to 2022 boundaries) to 222,161, an average of +1.48% a year; the 76th fastest 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 Cabo Frio changed since the 2022 census?

IBGE's estimates put Cabo Frio's population 14,611 above the 2022 census count by July 2026 (+6.6%), against +5.5% for Brazil as a whole; the estimate was 238,438 in 2025 and 238,166 in 2024.

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

How big is Cabo Frio?

Cabo Frio covers 413.4 km² and had 537.3 residents per km² at the 2022 census, the 130th 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 de Janeiro state's population lives in Cabo Frio?

Cabo Frio holds 1.4% of the estimated 17,225,410 people in Rio de Janeiro state and 0.11% of Brazil's 214,211,951 (2026 estimates).

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

Is Cabo Frio a metropolis?

IBGE's urban hierarchy (REGIC) ranks Cabo Frio (as part of the Cabo Frio/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 Cabo Frio?

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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