Castilla la Nueva's 2026 population is now estimated at 17,986. In 2005, the population of Castilla la Nueva was 9,554. Castilla la Nueva has grown by 364 in the last year, which represents a 2.07% 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% |