| Name | Las Marias Municipio |
| State | Puerto Rico |
| FIPS Code | 72083 |
| Timezone | Atlantic Standard Time (AST) |
| Population (2022) | 9,853 |
| Population Growth Rate(2020-2022) | -10.19% |
| Majority Ethnicity | Hispanic 60.31% |
| Public School Majority Ethnicity | Hispanic 100% |
| Partisan Voting Index | Democratic:+ |
| Unemployment Rate (May 2026) | 13.0% |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 37.89% |
| African American | 1.81% |
| Hispanic | 60.31% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 0.18% |
| African American | 0% |
| Hispanic | 99.82% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |