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,
Río Grande Municipio is a county in Puerto Rico with a population of 46,478. It ranks #16 among counties in Puerto Rico by population. The median age is 44.3, older than the national median. The population is 47.8% male and 52.2% female.
The median household income in Río Grande Municipio is $26,745, below the US median of $74,580. 34.6% of residents live below the federal poverty level. Home values sit at a median of $128,900, with monthly rent averaging $580. The homeownership rate of 72.7% is higher than the national rate of 64.8%.
Roughly 6.8% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 37.5 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+
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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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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.