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Formosa: population and official figures

Population (IBGE estimate, 1 July)
122,613
2026
Population, 2022 census
115,901
2022
Area (km²)
5,804.3
2022
People per km² (2022 census)
20.0
2022

In depth

What is the population of Formosa?

IBGE, Brazil's national statistics institute, estimated the population of Formosa at 122,613 on 1 July 2026, the 266th largest of Brazil's 5,570 municipalities, the 11th largest of the 246 municipalities in Goiás state. The 2022 census counted 115,901 residents.

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

Is the population of Formosa growing?

Between the 2010 and 2022 censuses the population of Formosa grew by 15,816, from 100,085 (2010 count adjusted to 2022 boundaries) to 115,901, an average of +1.23% a year; the 106th 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 Formosa changed since the 2022 census?

IBGE's estimates put Formosa's population 6,712 above the 2022 census count by July 2026 (+5.8%), against +5.5% for Brazil as a whole; the estimate was 121,559 in 2025 and 120,478 in 2024.

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

How big is Formosa?

Formosa covers 5,804.3 km² and had 20.0 residents per km² at the 2022 census, the 19th 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 Goiás state's population lives in Formosa?

Formosa holds 1.6% of the estimated 7,495,033 people in Goiás state and 0.06% of Brazil's 214,211,951 (2026 estimates).

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

Is Formosa a metropolis?

IBGE's urban hierarchy (REGIC) ranks Formosa as a sub-regional centre, level 3B on a scale whose top level is 1A, and Formosa is part of the Região Metropolitana do Entorno do Distrito Federal.

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

Who runs Formosa?

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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