Cartagena's 2026 population is now estimated at 1,114,720. In 1950, the population of Cartagena was 106,547. Cartagena has grown by 9,180 in the last year, which represents a 0.83% annual change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects . These estimates represent the Urban agglomeration of Cartagena, which typically includes Cartagena's population in addition to adjacent suburban areas.
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Bogota | 11,922,100 | 1.07% |
| Medellin | 4,208,280 | 0.85% |
| Cali | 2,942,690 | 0.89% |
| Barranquilla | 2,418,670 | 0.93% |
| Bucaramanga | 1,424,660 | 0.97% |
| Cucuta | 990,634 | 0.91% |
| Ibague | 615,104 | 0.83% |
| Valledupar | 599,585 | 1.31% |
| Pereira | 593,765 | 0.67% |
| Villavicencio | 590,758 | 1.07% |
| Santa Marta | 562,561 | 0.95% |
| Buenaventura | 493,081 | 1.11% |
| Buenaventura | 493,081 | 1.11% |
| Manizales | 464,765 | 0.75% |
| Monteria | 461,444 | 1.04% |
| Armenia | 431,947 | 0.86% |
| Pasto | 406,652 | 0.82% |
| Neiva | 372,029 | 0.78% |