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Rio Claro: population and official figures

Population (IBGE estimate, 1 July)
210,794
2026
Population, 2022 census
201,418
2022
Area (km²)
498.4
2022
People per km² (2022 census)
404.1
2022

In depth

What is the population of Rio Claro?

IBGE, Brazil's national statistics institute, estimated the population of Rio Claro at 210,794 on 1 July 2026, the 154th largest of Brazil's 5,570 municipalities, the 41st largest of the 645 municipalities in São Paulo state. The 2022 census counted 201,418 residents.

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

Is the population of Rio Claro growing?

Between the 2010 and 2022 censuses the population of Rio Claro grew by 15,165, from 186,253 (2010 count adjusted to 2022 boundaries) to 201,418, an average of +0.65% a year; the 125th 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 Rio Claro changed since the 2022 census?

IBGE's estimates put Rio Claro's population 9,376 above the 2022 census count by July 2026 (+4.7%), against +5.5% for Brazil as a whole; the estimate was 210,323 in 2025 and 208,857 in 2024.

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

How big is Rio Claro?

Rio Claro covers 498.4 km² and had 404.1 residents per km² at the 2022 census, the 154th 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 São Paulo state's population lives in Rio Claro?

Rio Claro holds 0.5% of the estimated 46,179,008 people in São Paulo state and 0.10% of Brazil's 214,211,951 (2026 estimates).

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

Is Rio Claro a metropolis?

IBGE's urban hierarchy (REGIC) ranks Rio Claro (as part of the Rio Claro/SP urban area) as a sub-regional centre, level 3A on a scale whose top level is 1A, and Rio Claro is part of the Região Metropolitana de Piracicaba.

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

Who runs Rio Claro?

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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