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Where am ILOCATED

San Juan Municipio, Puerto Rico

San Juan Municipio, Puerto Rico, has 329,737 residents (July 2025 estimate). Its county seat is San Juan. It uses Atlantic Time and covers 47.9 sq mi (124 km²) of land. It is a county equivalent (municipio).

BayamónCarolina
San Juan Municipio in Puerto Rico
Carolina MunicipioCataño MunicipioGuaynabo MunicipioToa Baja MunicipioTrujillo Alto MunicipioSan Juan zona urbanaCaño Martin Peña comunidad
San Juan Municipio and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
329,737
Land area
47.9 sq mi (124 km²)
County seat or government
San Juan
Time zone
Atlantic TimeUTC-04:00
Median household income
$27,992 ± $1,036
Median home value
$171,200 ± $2,487
Median rent, with utilities
$611 ± $16
Homes lived in by their owners
52.8% ± 1.0 points
County type
Municipio
Metro or micro area
San Juan-Bayamón-Caguas, PR metro areaCentral municipio
Water area
29.1 sq mi (75.3 km²)
State
Puerto Rico
County code (FIPS)
72127
Coordinates (central point)
18.422249, -66.069081
Open this point in the location finder

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 Juan Municipio

Time zoneLocal time and UTC offsetNext clock change
Atlantic TimeAmerica/Puerto_RicoUTC-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

  1. 0092692,284 people
  2. 0072573,462 people
  3. 0097660,620 people
  4. 0092449,922 people
  5. 0096942,231 people
  6. 0092133,119 people
  7. 0091524,607 people
  8. 0092324,551 people
  9. 0096618,791 people
  10. 0091717,116 people
  11. 0091816,172 people
  12. 0092015,900 people
All 21
  1. 0090715,817 people
  2. 0092713,868 people
  3. 009117,297 people
  4. 009136,943 people
  5. 009016,398 people
  6. 009125,845 people
  7. 009095,633 people
  8. 009254,882 people
  9. 0090649 people

21 ZIP Code areas overlap San Juan 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 Juan Municipio, largest first

  1. Barrio Santurce66,142 people
  2. Barrio Gobernador Piñero38,637 people
  3. Barrio Sabana Llana Sur37,402 people
  4. Barrio Cupey31,545 people
  5. Barrio Sabana Llana Norte26,286 people
  6. Barrio Oriente26,061 people
  7. Barrio Monacillo Urbano20,630 people
  8. Barrio Caimito17,846 people
  9. Barrio Hato Rey Norte14,783 people
  10. Barrio Hato Rey Central14,003 people
  11. Barrio Monacillo10,551 people
  12. Barrio Hato Rey Sur7,799 people
All 18
  1. Barrio San Juan Antiguo6,447 people
  2. Barrio Pueblo5,410 people
  3. Barrio El Cinco5,321 people
  4. Barrio Tortugo4,180 people
  5. Barrio Universidad1,772 people
  6. Barrio Quebrada Arenas1,345 people

People counts are American Community Survey 2020–2024 5-year estimates. All barrios in Puerto Rico, by county

School districts in San Juan Municipio, largest first

  1. 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.

  1. San Juan, Puerto Rico (zona urbana)317,995 people
  2. Caño Martin Peña, Puerto Rico (comunidad)11,618 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Cataño Municipio, Puerto Rico5.5 mi west
  2. Guaynabo Municipio, Puerto Rico6.1 mi southwest
  3. Carolina Municipio, Puerto Rico6.8 mi east
  4. Trujillo Alto Municipio, Puerto Rico7.4 mi southeast
  5. Toa Baja Municipio, Puerto Rico8.5 mi west
  6. Aguas Buenas Municipio, Puerto Rico12 mi south
  7. Caguas Municipio, Puerto Rico15 mi south

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.