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San Juan-Bayamón-Caguas, PR Metro Area

The San Juan-Bayamón-Caguas, PR metro area is made up of 40 municipios in Puerto Rico; the largest are San Juan Municipio, Bayamón Municipio, and Carolina Municipio. About 2,024,195 people lived there on July 1, 2025 (the Census estimates for its municipios, added up), 2.7% fewer than in April 2020.

Aguas Buenas Municipio, centralAibonito Municipio, outlyingBarceloneta Municipio, outlyingBarranquitas Municipio, centralBayamón Municipio, centralCaguas Municipio, centralCanóvanas Municipio, centralCarolina Municipio, centralCataño Municipio, centralCayey Municipio, centralCeiba Municipio, outlyingCiales Municipio, outlyingCidra Municipio, centralComerío Municipio, centralCorozal Municipio, centralDorado Municipio, centralFajardo Municipio, outlyingFlorida Municipio, outlyingGuaynabo Municipio, centralGurabo Municipio, centralHumacao Municipio, centralJuncos Municipio, centralLas Piedras Municipio, centralLoíza Municipio, outlyingLuquillo Municipio, outlyingManatí Municipio, centralMaunabo Municipio, centralMorovis Municipio, centralNaguabo Municipio, outlyingNaranjito Municipio, centralOrocovis Municipio, centralRío Grande Municipio, centralSan Juan Municipio, centralSan Lorenzo Municipio, centralToa Alta Municipio, centralToa Baja Municipio, centralTrujillo Alto Municipio, centralVega Alta Municipio, centralVega Baja Municipio, centralYabucoa Municipio, centralSan JuanBayamónCaguas
Central Outlying 40 municipios in Puerto Rico
Population, July 2025
2,024,195 2.7% fewer than in April 2020; the sum of its municipios’ estimates
Type
Metropolitan statistical area
Municipios
40: 31 central, 9 outlying
Land area
1,438 sq mi (3,725 km²)
Time zone
Atlantic TimeUTC-04:00
State
Puerto Rico
Combined statistical area
San Juan-Bayamón, PR
CBSA code
41980
Open this area in the metro area finder

Municipios in the San Juan-Bayamón-Caguas, PR metro area, largest first

MunicipioRolePopulation, July 2025Share of the area
San Juan MunicipioCentral329,73716.3%
Bayamón MunicipioCentral180,5628.9%
Carolina MunicipioCentral149,8747.4%
Caguas MunicipioCentral124,1616.1%
Guaynabo MunicipioCentral89,0554.4%
Toa Baja MunicipioCentral70,9313.5%
Trujillo Alto MunicipioCentral66,3483.3%
Toa Alta MunicipioCentral65,7543.2%
Vega Baja MunicipioCentral53,5052.6%
Humacao MunicipioCentral49,2492.4%
Río Grande MunicipioCentral44,7992.2%
Canóvanas MunicipioCentral41,3022.0%
Cayey MunicipioCentral40,0272.0%
Gurabo MunicipioCentral39,7802.0%
Cidra MunicipioCentral39,6692.0%
Manatí MunicipioCentral38,4131.9%
San Lorenzo MunicipioCentral37,2751.8%
Juncos MunicipioCentral36,6391.8%
Dorado MunicipioCentral35,8911.8%
Las Piedras MunicipioCentral34,7231.7%
Corozal MunicipioCentral34,5311.7%
Vega Alta MunicipioCentral34,3511.7%
Fajardo MunicipioOutlying30,7801.5%
Naranjito MunicipioCentral29,6271.5%
Barranquitas MunicipioCentral29,5091.5%
Morovis MunicipioCentral28,1701.4%
Yabucoa MunicipioCentral28,0581.4%
Aibonito MunicipioOutlying24,7461.2%
Aguas Buenas MunicipioCentral22,8381.1%
Naguabo MunicipioOutlying22,6661.1%
Barceloneta MunicipioOutlying22,3161.1%
Cataño MunicipioCentral21,7011.1%
Loíza MunicipioOutlying21,5421.1%
Orocovis MunicipioCentral21,3291.1%
Comerío MunicipioCentral18,4450.9%
Luquillo MunicipioOutlying17,1900.8%
Ciales MunicipioOutlying16,6520.8%
Florida MunicipioOutlying11,3710.6%
Ceiba MunicipioOutlying10,5590.5%
Maunabo MunicipioCentral10,1200.5%

A central municipio holds the area’s core, an urban area of at least 50,000 people. An outlying municipio is in the area because of commuting: at least a quarter of its workers have jobs in the central municipios, or at least a quarter of the people working there live in them. A municipio belongs to one metro or micro area at most, and it counts whole, countryside included.

Principal cities, largest first

  1. San Juan317,995 people
  2. Bayamón166,923 people
  3. Caguas72,922 people
  4. Guaynabo70,599 people

OMB names the area after its largest principal cities. A principal city is the area’s largest city, plus any other city that is very large or a big job center, and smaller ones with at least as many jobs as working residents (2020 Census and commuting figures). People counts are American Community Survey 2020–2024 5-year estimates.

Part of the San Juan-Bayamón, PR combined statistical area

OMB joins neighboring metro and micro areas into a combined statistical area when enough people commute between them. The other 5 areas in this one, largest first:

  1. Arecibo, PR Metro Area179,229 people
  2. Guayama, PR Metro Area63,864 people
  3. Lares, PR Micro Area27,744 people
  4. Utuado, PR Micro Area26,894 people
  5. Coco, PR Micro Area24,218 people

Bordering metro and micro areas, nearest first

Areas with a municipio on this area’s edge. Distances are straight lines between the areas’ largest cities.

  1. Coamo, PR Micro Area30 mi southwest
  2. Guayama, PR Metro Area30 mi south
  3. Coco, PR Micro Area31 mi southwest
  4. Utuado, PR Micro Area43 mi west
  5. Arecibo, PR Metro Area44 mi west
  6. Ponce, PR Metro Area46 mi southwest

Before using this answer on a form

A metro or micro area is a statistical area that OMB draws for federal statistics. It is not a city, a local government or a mailing address, and it is not a measure of urban and rural: whole counties count, rural parts included. Programs that use metro areas, such as housing income limits or wage rates, can use their own version of these lists; check the program’s own list for an address.

Find the metro area where you are now, find your county, or see every metro and micro area by population.

See this area on Census.gov ↗