About Rio Branco
Rio Branco is a city in Acre, Brazil with a population of 419,452. It is the 56th largest of the 2,250 cities of 15,000 or more listed in Brazil, and the 1,370th largest worldwide. It lies 2,248 km from Brasília.
Key Facts
Country
Region
Rank in region
#1of 13
Elevation
153 m
Approximate — modelled, not surveyed
Time zone
America/Rio_Branco
Coordinates
-9.975, -67.810
Record updated
2026-04-13
Entry edited, not measured
City population, GeoNames. GeoNames publishes no year for its population figures, so “record updated” is when the entry was last edited — not the date the population was measured. Elevation is modelled from a digital elevation model rather than surveyed, so it is approximate.
Nearby Cities
All 2,250 in BrazilClosest listed cities by great-circle distance from the city centre.