San Juan Municipio, Puerto Rico Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 1st-largest in Puerto Rico
The population of San Juan Municipio, Puerto Rico is 338,661 as of the 2023 American Community Survey, making it the 1st-largest county in Puerto Rico. The median household income is $26,981, the median home value is $171,400, and the median age is 45.4.
338,661
Population
7072
People / sq mi
$26,981
Median Income
$171,400
Median Home Value
San Juan Municipio covers 48 sq mi of land at 7072.2 people per square mile.
About San Juan Municipio,
San Juan Municipio is a county in Puerto Rico with a population of 338,661. It ranks #1 among counties in Puerto Rico by population. The median age is 45.4, older than the national median. The population is 45.7% male and 54.3% female.
The median household income in San Juan Municipio is $26,981, below the US median of $74,580. 36.1% of residents live below the federal poverty level. Home values sit at a median of $171,400, with monthly rent averaging $596. The homeownership rate of 53.5% is lower than the national rate of 64.8%.
Roughly 7.3% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 24.7 minutes each way.
Race & Ethnicity
| White | 32.2% |
| Black or African American | 10.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.1% |
| Two or More Races | 0.0% |
Age & Sex
45.4
Median Age
54.3%
Female
45.7%
Male
24.8%
Age 65+
Age Distribution
Children (under 15): 12.5% · Seniors (65+): 24.8%
Income & Poverty
| Median household income | $26,981 |
| Mean household income | $52,349 |
| Per-capita income | $24,332 |
| Poverty rate | 36.1% |
| Unemployment rate | 7.5% |
| Employment-to-population | 44.5% |
Top Industries by Employment
The largest employment sector in San Juan Municipio is professional & business services, accounting for 20.5% of workers.
How residents commute
3.7%
Drive alone
4.8%
Carpool
73.6%
Public transit
7.3%
Work from home
24.7 min
Avg commute
Housing
$171,400
Median home value
$596
Median rent
53.5%
Homeownership rate
193,011
Total housing units
76.6%
Occupied
23.4%
Vacant
46.5%
Renter-occupied
Social & access
91.0%
With health insurance
Education
-
High School+
-
Bachelor's+
Largest cities in Puerto Rico
Other counties in Puerto Rico
Part of Puerto Rico
County rankings
Frequently Asked Questions
San Juan Municipio, Puerto Rico has a population of 338,661 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 1st-largest county in Puerto Rico. Population density is 7072 people per square mile.
The median household income in San Juan Municipio, Puerto Rico is $26,981, with mean (average) household income of $52,349 and per-capita income of $24,332. 36.1% of residents live below the federal poverty level.
In San Juan Municipio, the largest racial and ethnic groups are White (32.2%), Black or African American (10.7%), Hispanic or Latino (1.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in San Juan Municipio, Puerto Rico is 45.4 years. Residents are 54.3% female and 45.7% male.
The median home value in San Juan Municipio is $171,400 and median monthly rent is $596. 53.5% of occupied housing units are owner-occupied. The county has 193,011 total housing units, 23.4% of which are vacant.
The largest employment sector in San Juan Municipio, Puerto Rico is professional, scientific, and management services, employing 20.5% of workers. The unemployment rate is 7.5%.
San Juan is among the largest cities associated with San Juan Municipio, Puerto Rico, with a population of 320,691.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.