Isabela
- Country:
- Puerto Rico
- Continent:
- North America
Isabela's 2026 population is now estimated at 8,736.In 2000, the population of Isabela was 12,818.Isabela experienced a decrease of -140 residents over the past year, marking an annual decline of -1.58%.These population values and projections come from U.S. Census decennial place populations for Puerto Rico (2000, 2010, 2020) and World Population Review Internal Projections.