Below are the urban areas with more than 100,000 inhabitants in Congo ranked by population.
Urban Area (or urban agglomeration) population refers to the population contained within the contours of a contiguous territory inhabited at urban density levels, typically comprising a city and its surrounding suburban fringe.
| Rank | Urban Area | Population Estimate (2025) | 1 Year Change (over 2024) | Land Area (Km²) | Density (P/Km²) | Global Rank | Projections (2030) | Projections (2050) |
|---|---|---|---|---|---|---|---|---|
| 1 | Brazzaville | 3,656,322 | 2.02% | 276 | 13,248 | 126 | 4,062,002 | 5,730,423 |
| 2 | Pointe-Noire | 1,662,537 | 2.44% | 215 | 7,733 | 294 | 1,878,084 | 2,846,263 |
| 3 | Dolisie | 132,154 | 2.96% | 27 | 4,895 | 4,626 | 151,364 | 262,915 |
| 4 | Nkayi | 57,684 | – | 14 | 4,120 | 10,688 | 67,518 | 129,070 |
Source: United Nations, Department of Economic and Social Affairs, Population Division (2025). World Urbanization Prospects: The 2025 Revision, Online Edition.