Rio Grande Municipality, PR demographics:
population, income, and more

Total population
46,739
-0.7% year-over-year change
Median household income
$29,268/yr
8.5% year-over-year change
Housing units
23,640
2.5% year-over-year change

Rio Grande County population

How many people live in Rio Grande County

Rio Grande County is home to 46,739 residents, according to the most recent Census data. Gender-wise, 47.8% of Rio Grande County locals are male, and 52.2% are female.

Total population
46,739
-0.7% year-over-year change
Gender ratio
Male
47.8%
22,324
Female
52.2%
24,415
Value Percent YoY change
Male 22,324 47.8% -1.1%
Female 24,415 52.2% -0.4%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Rio Grande County is 45, with the population distributed as follows: about 12.1% are children under 15, then 12.5% are in the 15 to 24 age group. Adults between 25 and 44 make up 25.7% of the population, while another 27.1% fall into the 45 to 64 bracket. Finally, around 22.6% are 65 or older.

Median age
44.8
Age breakdown
Under 15
12.1%
15 to 24
12.5%
25 to 44
25.7%
45 to 64
27.1%
Over 65
22.6%
Value Percent YoY change
Under 15 5,642 12.1% -4.8%
15 to 24 5,842 12.5% -2.9%
25 to 44 12,025 25.7% -0.4%
45 to 64 12,682 27.1% -0.8%
Over 65 10,548 22.6% 2.7%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Households in Rio Grande County

A peek inside Rio Grande County households

Rio Grande County has 17,400 households, with an average of 3 members in each. Of these, 67.4% are families, while the remaining 32.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
17,400
4.5% year-over-year change
Average people per household
3
Non-family households
5,674
Family households
11,726
Value Percent YoY change
Non-family households 5,674 32.6% 9.4%
Family households 11,726 67.4% 2.2%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Rio Grande County

The housing landscape of Rio Grande County

Rio Grande County's housing consists of 23,640 units, with 73.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 13.7% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.2% of the housing landscape.

Housing units
23,640
2.5% year-over-year change
Housing types
Value Percent
1 unit, detached 17,295 73.2%
1 unit, attached 3,231 13.7%
2 units 112 0.5%
3 or 4 units 666 2.8%
5 to 9 units 993 4.2%
10 to 19 units 397 1.7%
20 to 49 units 278 1.2%
50 or more units 620 2.6%
Mobile home 48 0.2%
Homes built since 2020
105
36.4% year-over-year change

The age of buildings in Rio Grande County

In Rio Grande County, the median construction year is 1984. About 0.3% of homes were built before the 1940s, with another 2.3% going up by 1949. Most development happened in the second half of the 20th century. Then, 17.5% of homes were added from 2000 to 2009, 2.7% between 2010 and 2019, and 0.4% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 72 0.3% -34.5%
Built between 1940 and 1949 537 2.3% 22.9%
Built between 1950 and 1959 1,196 5.1% -0.2%
Built between 1960 and 1969 2,721 11.5% 9.9%
Built between 1970 and 1979 5,656 23.9% 4.5%
Built between 1980 and 1989 4,546 19.2% 0.5%
Built between 1990 and 1999 4,037 17.1% -5.9%
Built between 2000 and 2009 4,128 17.5% 3.6%
Built between 2010 and 2019 642 2.7% 16.1%
Built in 2020 or later 105 0.4% 36.4%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Rio Grande County occupancy rates

Out of the 17,400 occupied housing units in Rio Grande County, 71.2% are owner-occupied, while 28.8% are lived in by tenants. Meanwhile, 26.4% of all homes on the local market sit vacant.

Occupied housing units
17,400
4.5% year-over-year change
Occupancy breakdown
Renter occupied
5,007
Owner occupied
12,393
Value Percent YoY
change
Renter occupied 5,007 28.8% 10.6%
Owner occupied 12,393 71.2% 2.2%
Unoccupied housing units
26.4%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Rio Grande County housing costs

Housing costs in Rio Grande County come to a median of $455 per month, while tenants specifically pay a median gross rent of $585.

Median housing costs per month
$455/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Rio Grande County
$585/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Rio Grande County

Rio Grande County education at a glance

About 35.4% of the population in Rio Grande County went to high school, while 14.6% pursued college studies. Another 13.4% earned an associate degree and 18.9% hold a bachelor’s. Meanwhile, 6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 4,590 11.6% -2.0%
High school diploma 13,973 35.4% -3.7%
College diploma 5,756 14.6% 1.1%
Associate degree 5,297 13.4% 9.7%
Bachelor's degree 7,466 18.9% -3.1%
Graduate degree 2,367 6% 15.9%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Rio Grande County

How much people earn in Rio Grande County

The average annual household income in Rio Grande County was $38,923 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.2% change from the previous year. At the same time, the median income stood at $29,268, reflecting a +8.5% shift over the same period.

Average household income in Rio Grande County
$38,923/year
3.2% year-over-year change
Median household income in Rio Grande County
$29,268/year
8.5% year-over-year change

Rio Grande County income by age

In Rio Grande County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $36,500. Those with someone between 45 and 64 in charge, often well established professionally, earn $40,430 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $21,719, while those led by someone over 65, many of whom may be retired, have about $20,691 in earnings.

Income breakdown by age
Value YoY change
Under 25 $21,719 5.6%
25 - 44 $36,500 3.6%
45 - 64 $40,430 7.3%
Over 65 $20,691 0.7%

Employment in Rio Grande County

Workforce and job types in Rio Grande County

78.9% of the working population are employed in professional or administrative positions, while 21.1% are in hands-on or service-based jobs. Also, 17.6% run their own businesses, 59.6% are employed by private companies, and 18.6% work in the public sector.

Workforce demographics

White collar
14,333
Blue collar
3,842
Value Percent YoY change
White collar 14,333 78.9% 3.5%
Blue collar 3,842 21.1% -4.4%
Employer type
Self employees
17.6%
Private companies
59.6%
Governmental workers
18.6%
Not for profit companies
4.2%
Value Percent YoY change
Self employees 3,196 17.6% 4.3%
Private companies 10,842 59.6% 1.4%
Governmental workers 3,371 18.6% 0.7%
Not for profit companies 766 4.2% 0.1%

Transportation in Rio Grande County

How people get around in Rio Grande County

Commuting methods vary: 98.4% of residents travel by personal vehicle and 1.4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 15,120 98.4% 4.2%
Bus or trolleybus 33 0.2% 37.5%
Walk 215 1.4% -19.5%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Rio Grande County by zipcode?

Zipcode Population Number of households Median income Average income
00745 46,739 17,400 $29,268 $38,923

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FAQs about Rio Grande County demographics 

What is the total population of Rio Grande County?

Rio Grande County has a total population of 46,739 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.7% compared to a year ago.

What is the gender ratio in Rio Grande County?

The gender ratio in Rio Grande County is as follows:
  • 47.8% males (22,324 residents)
  • 52.2% females (24,415 residents)

What is the median age in Rio Grande County?

The median age in Rio Grande County is 44.8.

What is the age distribution of the population in Rio Grande County?

The age distribution in Rio Grande County is as follows:
  • Under 15: 12.1% (5,642 residents)
  • Ages 15-24: 12.5% (5,842 residents)
  • Ages 25-44: 25.7% (12,025 residents)
  • Ages 45-64: 27.1% (12,682 residents)
  • Over 65: 22.6% (10,548 residents)

What is the racial and ethnic makeup of Rio Grande County?

The racial and ethnic makeup of Rio Grande County is as follows:
  • White: 7.2% (3,366 residents)
  • Black or African American: 11.2% (5,230 residents)
  • American Indian and Alaska Native: 0.3% (125 residents)
  • Asian: 0.4% (174 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 44.9% (20,992 residents)
  • Other: 36.1% (16,852 residents)

What percentage of the population in Rio Grande County are U.S.-born citizens?

U.S.-born citizens represent 0% of the population in Rio Grande County.

How many housing units are there in Rio Grande County?

There are 23,640 housing units in Rio Grande County, reflecting a +2.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Rio Grande County and what is the average household size?

Rio Grande County has a total of 17,400 households, with an average of 3 people in each.

What is the median household income in Rio Grande County?

Rio Grande County has a median household income of $29,268, representing a +8.5% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Rio Grande County?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 78.9% (14,333 residents)
  • Blue-collar workers: 21.1% (3,842 residents)

Places of employment:
  • Self-employed: 17.6% (3,196 residents)
  • Private companies: 59.6% (10,842 residents)
  • Governmental workers: 18.6% (3,371 residents)
  • Not-for-profit companies: 4.2% (766 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025