Rio Negro
- Country:
- Brazil
- Continent:
- South America
Rio Negro's 2026 population is now estimated at 32,224. In 1970, the population of Rio Negro was 18,436. Rio Negro has grown by 273 in the last year, which represents a 0.85% annual change. These population values and projections come from IBGE Censo Demografico - Populacao residente por municipio (1970-2010), IBGE Estimativas da Populacao - Populacao residente estimada por municipio, IBGE Censo Demografico 2022 - Populacao residente por municipio and World Population Review Internal Projections .