Rio Branco Population 2026
Rio Branco has a population of 419,452, making it the #53 biggest city in 🇧🇷 Brazil, located in Acre. Roughly 0.2% of Brazil's population lives here. It is about 30× smaller than São Paulo, the country's biggest city.
Population (city proper)
419,452
Rank in Brazil
#53
Coordinates
9.97°S, 67.81°W
~153 m elevation · America/Rio_Branco
Distance to capital (Brasília)
2,248 km
1,396 miles, straight line
Other big cities in Acre
| City | Population | Rank in Brazil |
|---|---|---|
| Cruzeiro do Sul | 91,888 | #359 |
| Tarauacá | 43,467 | #769 |
| Sena Madureira | 41,343 | #802 |
| Feijó | 35,426 | #951 |
| Brasiléia | 26,000 | #1326 |
| Senador Guiomard | 23,236 | #1533 |
| Mâncio Lima | 19,294 | #1805 |
| Epitaciolândia | 18,757 | #1843 |
Cities near Rio Branco
- Senador Guiomard23,236 people · ~21 km away
- Porto Acre16,693 people · ~53 km away
- Plácido de Castro16,560 people · ~79 km away
- Xapuri18,243 people · ~107 km away
- Sena Madureira41,343 people · ~139 km away
- Boca do Acre38,246 people · ~143 km away
FAQ
What is the population of Rio Branco?
Rio Branco has a population of 419,452 (city proper, latest official figure via GeoNames), making it the #53 biggest city in Brazil.
What region is Rio Branco in?
Rio Branco is located in Acre, Brazil.
Is Rio Branco the capital of Brazil?
No, the capital of Brazil is Brasília, about 2,248 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.