Guayanilla Municipio's 2026 population is estimated at 15,882, reflecting a -1.88% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Guayanilla Municipio is the 65th largest county in Puerto Rico. The 2010 population was 21,523 and has grown -26.21% since 2010.
Data after 2023 is projected based on recent change
Overall: 44.5 years
Female: 45.5 years
Male: 43.6 years
There are 14,212 adults, (4,060 of whom are seniors) in Guayanilla Municipio.
Female: 9,137 (53.3%)
Male: 8,004 (46.7%)
The racial composition of Guayanilla Municipio includes 75.33% White, 13.6% other race, and smaller percentages for Black or African American, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 12,913 | 75.33% |
| Other race | 2,332 | 13.6% |
| Two or more races | 1,426 | 8.32% |
| Black or African American | 436 | 2.54% |
| Native American | 34 | 0.2% |
Guayanilla Municipio 's average per capita income is $18,065. Household income levels show a median of $23,915. The poverty rate stands at 46.36%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $36,584 | - |
| Families | $28,906 | $38,043 |
| Households | $23,915 | $32,274 |
| Non Families | $12,393 | $16,139 |
Average Income
Median Household Income
Poverty Rate