San Sebastián Municipio's estimated 2026 population is 38,177 with a growth rate of -0.65% in the past year according to the most recent United States census data. San Sebastián Municipio is the 23rd largest county in Puerto Rico. The 2010 population was 42,347 and has seen a growth of -9.85% since that time.
Data after 2023 is projected based on recent change
The racial composition of San Sebastián Municipio includes 71.81% White, 15.82% other race, and smaller percentages for Black or African American, Native American and multiracial populations.
White (71.81%)
Other race (15.82%)
Two or more races (9.97%)
Black or African American (2.3%)
Native American (0.1%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 28,126 | 71.81% |
| Other race | 6,196 | 15.82% |
| Two or more races | 3,904 | 9.97% |
| Black or African American | 901 | 2.3% |
| Native American | 41 | 0.1% |
Married
Widowed
Divorced
Separated
Never Married
San Sebastián Municipio's average per capita income is $17,178. Household income levels show a median of $17,834. The poverty rate stands at 52.39%.
Name | Median | Mean |
|---|---|---|
| Married Families | $28,996 | - |
| Families | $23,054 | $32,436 |
| Households | $17,834 | $27,976 |
| Non Families | $10,080 | $17,125 |
Average Income
Median Household Income
Poverty Rate