Ouesso Population 2026
Ouesso has a population of 40,667, making it the #7 biggest city in 🇨🇬 Congo, located in Sangha. Roughly 0.6% of Congo's population lives here. It is about 49× smaller than Brazzaville, the country's biggest city.
Population (city proper)
40,667
Rank in Congo
#7
Coordinates
1.61°N, 16.05°E
~348 m elevation · Africa/Brazzaville
Distance to capital (Brazzaville)
659 km
409 miles, straight line
Other big cities in Sangha
| City | Population | Rank in Congo |
|---|---|---|
| Pokola | 15,102 | #23 |
Cities near Ouesso
FAQ
What is the population of Ouesso?
Ouesso has a population of 40,667 (city proper, latest official figure via GeoNames), making it the #7 biggest city in Congo.
What region is Ouesso in?
Ouesso is located in Sangha, Congo.
Is Ouesso the capital of Congo?
No, the capital of Congo is Brazzaville, about 659 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.