Cayey Municipio's 2026 population is estimated at 38,952, reflecting a -1.31% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Cayey Municipio is the 20th largest county in Puerto Rico. The 2010 population was 48,111 and has grown -19.04% since 2010.
Data after 2023 is projected based on recent change
Overall: 45.6 years
Female: 45.9 years
Male: 45.2 years
There are 34,628 adults, (9,766 of whom are seniors) in Cayey Municipio.
Female: 21,380 (52.3%)
Male: 19,537 (47.7%)
The racial composition of Cayey Municipio includes 34.41% other race, 31.76% White, 9.01% Black or African American, and smaller percentages for Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Other race | 14,080 | 34.41% |
| White | 12,995 | 31.76% |
| Two or more races | 9,762 | 23.86% |
| Black or African American | 3,686 | 9.01% |
| Native American | 394 | 0.96% |
Cayey Municipio 's average per capita income is $25,666. Household income levels show a median of $30,129. The poverty rate stands at 37.31%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $47,782 | $64,064 |
| Families | $35,106 | $48,481 |
| Households | $30,129 | $42,281 |
| Non Families | $15,162 | $24,823 |
Average Income
Median Household Income
Poverty Rate