| Place Name | Don Alonso |
| Place Type | Barrio |
| ZIP Code(s) | 00641 |
| County | Utuado |
| Area Code(s) | 787,939 |
| Timezone | Atlantic Standard Time (AST) |
| Population (2021) | 1,187 |
| Majority Ethnicity | Hispanic 0% |
| Metro/Micro Stats Area | Aguadilla-Isabela, PR |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 41.36% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 58.64% |