Below are the urban areas with more than 100,000 inhabitants in Gambia 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 | Serrekunda | 1,156,903 | 1.6% | 181 | 6,392 | 441 | 1,255,004 | 1,535,965 |
| 2 | Brikama | 184,321 | 2.03% | 29 | 6,356 | 3,271 | 204,750 | 304,948 |
| 3 | Farafenni | 73,001 | 1.65% | 11 | 6,636 | 8,526 | 82,444 | 114,061 |
| 4 | Basse Santa Su | 68,008 | 2.54% | 12 | 5,667 | 9,113 | 78,158 | 109,381 |
Source: United Nations, Department of Economic and Social Affairs, Population Division (2025). World Urbanization Prospects: The 2025 Revision, Online Edition.