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Uruguaiana: population and official figures

Population (IBGE estimate, 1 July)
120,818
2026
Population, 2022 census
117,210
2022
Area (km²)
5,702.1
2022
People per km² (2022 census)
20.6
2022

In depth

What is the population of Uruguaiana?

IBGE, Brazil's national statistics institute, estimated the population of Uruguaiana at 120,818 on 1 July 2026, the 272nd largest of Brazil's 5,570 municipalities, the 18th largest of the 497 municipalities in Rio Grande do Sul state. The 2022 census counted 117,210 residents.

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

Is the population of Uruguaiana growing?

Between the 2010 and 2022 censuses the population of Uruguaiana fell by 8,225, from 125,435 (2010 count adjusted to 2022 boundaries) to 117,210, an average of -0.56% a year; the 8th 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 Uruguaiana changed since the 2022 census?

IBGE's estimates put Uruguaiana's population 3,608 above the 2022 census count by July 2026 (+3.1%), against +5.5% for Brazil as a whole; the estimate was 120,819 in 2025 and 120,885 in 2024.

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

How big is Uruguaiana?

Uruguaiana covers 5,702.1 km² and had 20.6 residents per km² at the 2022 census, the 20th 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 Grande do Sul state's population lives in Uruguaiana?

Uruguaiana holds 1.1% of the estimated 11,233,317 people in Rio Grande do Sul state and 0.06% of Brazil's 214,211,951 (2026 estimates).

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

Is Uruguaiana a metropolis?

IBGE's urban hierarchy (REGIC) ranks Uruguaiana (as part of the Internacional de Uruguaiana/Brasil urban area) as a sub-regional centre, level 3A 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 Uruguaiana?

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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