Rio de Oro's 2026 population is now estimated at 19,895. In 2005, the population of Rio de Oro was 14,024. Rio de Oro has grown by 226 in the last year, which represents a 1.15% annual change. These population values and projections come from DANE municipal population by area 2005-2017 (retroprojections) and DANE municipal population by area 2018-2042 (projections) .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Bogota | 7,945,996 | 0.04% |
| Medellin | 2,526,795 | -0.06% |
| Cali | 2,269,983 | -0.32% |
| Barranquilla | 1,275,854 | -0.27% |
| Cartagena | 1,010,995 | -0.05% |
| Soacha | 895,878 | 2.97% |
| Cucuta | 792,180 | -0.13% |
| Soledad | 733,597 | 1.49% |
| Valledupar | 629,217 | 2.15% |
| Bucaramanga | 618,548 | 0.14% |
| Bello | 609,168 | 1.2% |
| Santa Marta | 588,662 | 1.08% |
| Villavicencio | 588,645 | 0.73% |
| Monteria | 585,029 | 1.82% |
| Ibague | 557,317 | 0.43% |
| Pereira | 487,820 | 0.09% |
| Manizales | 475,690 | 0.76% |
| Neiva | 408,218 | 1.43% |
| Pasto | 404,775 | 0.17% |
| Palmira | 382,703 | 0.45% |