| Name | Status | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|
| San Sebastián | Municipio | 38,799 | 44,204 | 42,430 | o |
| Puerto Rico | Commonwealth | 3,522,037 | 3,808,610 | 3,725,789 |
| Name | Status | Municipality | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|---|
| Hato Arriba | Comunidad | San Sebastián | ... | 732 | 676 | o |
| Juncal | Comunidad | San Sebastián | 1,122 | 1,155 | 994 | o |
| San Sebastián | Urban Area | San Sebastián | 11,605 | 11,598 | 9,622 | o |
Source: US Census Bureau (web).
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