San Sebastián   County PR United States

County FIPS 72131
Largest City San Sebastián
State Puerto Rico
Latitude 18.3287
Longitude -66.9712
Population 39,088
Density 555.16 people per square mile
Time Zone America/Puerto Rico
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $19,920
Median individual: $12,989

Race

Mode: 65.6% White

Gender

 51.6% female 

Rent

  $508 / month  

Median house value: $114,612.0

Age

Median: 47.0 years old

Education

With at least college degree: 21.7%
With STEM degree: 35.6%

Marital Status

 40.8% married 

Never married: 33.5%

Labor Force Participation

 38.3% working 

Unemployed: 13.0%

Average Family Size

 3.34 people 

Commute Time

 25.9 minutes 

Health Care

 4.7% uninsured 

Poverty

 49.7%

All data comes from the SimpleMaps US Counties Database, 2026.

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