Río Grande Municipio, Puerto Rico Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 16th-largest in Puerto Rico
The population of Río Grande Municipio, Puerto Rico is 46,478 as of the 2023 American Community Survey, making it the 16th-largest county in Puerto Rico. The median household income is $26,745, the median home value is $128,900, and the median age is 44.3.
46,478
Population
767
People / sq mi
$26,745
Median Income
$128,900
Median Home Value
Río Grande Municipio covers 61 sq mi of land at 766.7 people per square mile.
About Río Grande Municipio,
Among US counties, Río Grande Municipio stands out first on household income: a median of $26,745, below the US median of $78,538. With 46,478 residents, Río Grande Municipio is a county in Puerto Rico. It ranks #16 among counties in Puerto Rico by population.
Money is tight relative to the rest of US counties: the median household earns just $26,745, below the US median of $78,538. The poverty rate, 34.6%, is among the steepest of comparable US counties and above the national 12.4%. Property is affordable here, the median home worth $128,900, with typical rent around $580.
About 6.8% of the workforce is home-based, below the national 14.0%, and the average commute runs about 38 minutes each way.
Race & Ethnicity
| White | 18.7% |
| Black or African American | 11.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.5% |
| Two or More Races | 0.0% |
Age & Sex
44.3
Median Age
52.2%
Female
47.8%
Male
21.9%
Age 65+
Age Distribution
Children (under 15): 12.7% · Seniors (65+): 21.9%
Income & Poverty
| Median household income | $26,745 |
| Mean household income | $37,078 |
| Per-capita income | $15,109 |
| Poverty rate | 34.6% |
| Unemployment rate | 8.6% |
| Employment-to-population | 43.6% |
Top Industries by Employment
The largest employment sector in Río Grande Municipio is professional & business services, accounting for 19.9% of workers.
How residents commute
0.1%
Drive alone
1.7%
Carpool
82.4%
Public transit
6.8%
Work from home
37.5 min
Avg commute
Housing
$128,900
Median home value
$580
Median rent
72.7%
Homeownership rate
22,782
Total housing units
72.0%
Occupied
28.0%
Vacant
27.3%
Renter-occupied
Social & access
92.3%
With health insurance
Education
-
High School+
-
Bachelor's+
Largest cities in Puerto Rico
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County rankings
Frequently Asked Questions
Río Grande Municipio, Puerto Rico has a population of 46,478 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 16th-largest county in Puerto Rico. Population density is 767 people per square mile.
The median household income in Río Grande Municipio, Puerto Rico is $26,745, with mean (average) household income of $37,078 and per-capita income of $15,109. 34.6% of residents live below the federal poverty level.
In Río Grande Municipio, the largest racial and ethnic groups are White (18.7%), Black or African American (11.6%), Hispanic or Latino (0.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Río Grande Municipio, Puerto Rico is 44.3 years. Residents are 52.2% female and 47.8% male.
The median home value in Río Grande Municipio is $128,900 and median monthly rent is $580. 72.7% of occupied housing units are owner-occupied. The county has 22,782 total housing units, 28.0% of which are vacant.
The largest employment sector in Río Grande Municipio, Puerto Rico is professional, scientific, and management services, employing 19.9% of workers. The unemployment rate is 8.6%.
San Juan is among the largest cities associated with Río Grande Municipio, Puerto Rico, with a population of 320,691.
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Statewide data for Puerto Rico
Population, race, income, age, and trends across Puerto Rico
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.