San Sebastián Municipio, Puerto Rico
San Sebastián Municipio, Puerto Rico, has 39,019 residents (July 2025 estimate). Its county seat is San Sebastián. It uses Atlantic Time and covers 70.4 sq mi (182 km²) of land. It is a county equivalent (municipio).
- Resident population, July 2025
- 39,019
- Land area
- 70.4 sq mi (182 km²)
- County seat or government
- San Sebastián
- Time zone
- Atlantic TimeUTC-04:00
- Median household income
- $19,920 ± $1,708
- Median home value
- $115,000 ± $8,204
- Median rent, with utilities
- $508 ± $36
- Homes lived in by their owners
- 74.7% ± 3.1 points
- County type
- Municipio
- Metro or micro area
- Aguadilla, PR metro areaCentral municipio
- Water area
- 0.8 sq mi (2.06 km²)
- State
- Puerto Rico
- County code (FIPS)
- 72131
- Coordinates (central point)
- 18.331064, -66.969064
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in San Sebastián Municipio
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Atlantic TimeAmerica/Puerto_Rico | UTC-04:00. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
3 ZIP Code areas overlap San Sebastián Municipio. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Barrios in San Sebastián Municipio, largest first
- Barrio Hoya Mala4,279 people
- Barrio Culebrinas4,007 people
- Barrio Guatemala2,985 people
- Barrio Pozas2,892 people
- Barrio Salto2,826 people
- Barrio Calabazas2,513 people
- Barrio Bahomamey2,075 people
- Barrio Hato Arriba1,862 people
- Barrio Sonador1,789 people
- Barrio Robles1,535 people
- Barrio Aibonito1,424 people
- Barrio Piedras Blancas1,422 people
All 24
- Barrio Juncal1,415 people
- Barrio Eneas1,358 people
- Barrio Cibao1,075 people
- Barrio Perchas 21,041 people
- Barrio Perchas 1836 people
- San Sebastián Barrio-Pueblo822 people
- Barrio Alto Sano787 people
- Barrio Guajataca629 people
- Barrio Guacio534 people
- Barrio Mirabales530 people
- Barrio Cidral292 people
- Barrio Magos160 people
People counts are American Community Survey 2020–2024 5-year estimates. All barrios in Puerto Rico, by county
School districts in San Sebastián Municipio, largest first
- Puerto Rico Department of Education3,234,309 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- San Sebastián, Puerto Rico (zona urbana)9,038 people
- Hato Arriba, Puerto Rico (comunidad)756 people
- Juncal, Puerto Rico (comunidad)725 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Las Marías Municipio, Puerto Rico7.2 mi south
- Lares Municipio, Puerto Rico7.5 mi southeast
- Moca Municipio, Puerto Rico7.9 mi northwest
- Quebradillas Municipio, Puerto Rico9.7 mi north
- Camuy Municipio, Puerto Rico11 mi northeast
- Isabela Municipio, Puerto Rico11 mi north
- Añasco Municipio, Puerto Rico11 mi west
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