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Ji-Paraná: population and official figures

Population (IBGE estimate, 1 July)
140,800
2026
Population, 2022 census
124,333
2022
Area (km²)
6,896.6
2022
People per km² (2022 census)
18.0
2022

In depth

What is the population of Ji-Paraná?

IBGE, Brazil's national statistics institute, estimated the population of Ji-Paraná at 140,800 on 1 July 2026, the 224th largest of Brazil's 5,570 municipalities, the 2nd largest of the 52 municipalities in Rondônia state. The 2022 census counted 124,333 residents.

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

Is the population of Ji-Paraná growing?

Between the 2010 and 2022 censuses the population of Ji-Paraná grew by 7,723, from 116,610 (2010 count adjusted to 2022 boundaries) to 124,333, an average of +0.54% a year; the 109th 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 Ji-Paraná changed since the 2022 census?

IBGE's estimates put Ji-Paraná's population 16,467 above the 2022 census count by July 2026 (+13.2%), against +5.5% for Brazil as a whole; the estimate was 140,101 in 2025 and 139,359 in 2024.

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

How big is Ji-Paraná?

Ji-Paraná covers 6,896.6 km² and had 18.0 residents per km² at the 2022 census, the 15th 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 Rondônia state's population lives in Ji-Paraná?

Ji-Paraná holds 8.0% of the estimated 1,757,338 people in Rondônia state and 0.07% of Brazil's 214,211,951 (2026 estimates).

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

Is Ji-Paraná a metropolis?

IBGE's urban hierarchy (REGIC) ranks Ji-Paraná 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

More figures

Who runs Ji-Paraná?

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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