Rio Abajo's 2026 population is now estimated at 28,388. In 2000, the population of Rio Abajo was 28,714. Rio Abajo has grown by 115 in the last year, which represents a 0.41% annual change. These population values and projections come from Panama census 2000 nomenclature places, Panama census 2010 nomenclature places, Panama census 2023 Cuadro 3 place population and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Panama City | 1,150,444 | 0.51% |
| San Miguelito | 272,875 | -0.96% |
| Tocumen | 69,935 | 2.01% |
| David | 65,322 | -4.88% |
| Las Cumbres | 63,719 | 1.04% |
| Parque Lefevre | 44,304 | 1.13% |
| Juan Diaz | 38,710 | -4.88% |
| Cativa | 35,333 | 0.47% |
| Bella Vista | 34,593 | 0.87% |
| Ciudad Jardin Las Mananitas | 31,053 | 1.53% |
| Rio Abajo | 28,388 | 0.41% |
| Altos del Lirio | 28,021 | 0.44% |
| San Isidro | 26,113 | 5.12% |
| Pueblo Nuevo | 25,551 | 1.87% |
| Urbanizacion Nuevo Tocumen | 25,277 | 0.73% |
| San Francisco | 24,374 | -3.61% |
| Nuevo Belen | 23,329 | -0.19% |
| Paso Blanco No.2 | 22,327 | 5.13% |
| Villa Unida | 21,969 | 2.47% |
| Santiago | 21,185 | -1.23% |