State IntegrityReceipts, not verdicts

Cachoeirinha: population and official figures

Population (IBGE estimate, 1 July)
141,506
2026
Population, 2022 census
136,258
2022
Area (km²)
43.8
2022
People per km² (2022 census)
3,112.5
2022

In depth

What is the population of Cachoeirinha?

IBGE, Brazil's national statistics institute, estimated the population of Cachoeirinha at 141,506 on 1 July 2026, the 223rd largest of Brazil's 5,570 municipalities, the 13th largest of the 497 municipalities in Rio Grande do Sul state. The 2022 census counted 136,258 residents.

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

Is the population of Cachoeirinha growing?

Between the 2010 and 2022 censuses the population of Cachoeirinha grew by 17,980, from 118,278 (2010 count adjusted to 2022 boundaries) to 136,258, an average of +1.19% a year; the 113th 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 Cachoeirinha changed since the 2022 census?

IBGE's estimates put Cachoeirinha's population 5,248 above the 2022 census count by July 2026 (+3.9%), against +5.5% for Brazil as a whole; the estimate was 141,503 in 2025 and 141,303 in 2024.

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

How big is Cachoeirinha?

Cachoeirinha covers 43.8 km² and had 3,112.5 residents per km² at the 2022 census, the 40th 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 Grande do Sul state's population lives in Cachoeirinha?

Cachoeirinha holds 1.3% of the estimated 11,233,317 people in Rio Grande do Sul state and 0.07% of Brazil's 214,211,951 (2026 estimates).

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

Is Cachoeirinha a metropolis?

IBGE's urban hierarchy (REGIC) ranks Cachoeirinha (as part of the Porto Alegre/RS urban area) as a metropolis, level 1C on a scale whose top level is 1A, and Cachoeirinha is part of the Região Metropolitana de Porto Alegre.

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

Who runs Cachoeirinha?

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

Each saved copy is the file exactly as downloaded, kept so the figures can be checked even if the source changes. Report an error.