Arroyo's 2026 population is now estimated at 6,468.In 2000, the population of Arroyo was 7,244.Arroyo has grown by 4 in the last year, which represents a 0.06% annual change.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.
City | 2026 Pop.↓ | Growth |
|---|---|---|
| San Juan | 291,890 | -1.67% |
| Bayamón | 154,106 | -1.17% |
| Carolina | 127,767 | -1.31% |
| Ponce | 95,462 | -2.03% |
| Guaynabo | 64,631 | -0.96% |
| Caguas | 64,010 | -1.55% |
| Mayagüez | 50,991 | -2% |
| Trujillo Alto | 41,101 | -1.02% |
| Arecibo | 37,129 | -1.08% |
| Fajardo | 23,098 | -1.4% |
| Vega Baja | 22,037 | -1.01% |
| Cataño | 20,599 | -1.93% |
| Guayama | 16,789 | -1.86% |
| Canóvanas | 16,121 | 5.08% |
| Candelaria | 13,532 | -1.33% |
| Humacao | 13,132 | -2.16% |
| Cayey | 12,602 | -1.74% |
| Yauco | 11,775 | -2.34% |
| Dorado | 11,564 | -0.85% |
| Hormigueros | 10,323 | -1.16% |