San Antonio, Caguas Municipality, PR demographics:
population, income, and more

Total population
3,120
-3.7% year-over-year change
Median household income
$29,575/yr
7.5% year-over-year change
Housing units
1,639
4.2% year-over-year change

San Antonio population

How many people live in San Antonio

San Antonio is home to 3,120 residents, according to the most recent Census data. Gender-wise, 46.4% of San Antonio locals are male, and 53.6% are female.

Total population
3,120
-3.7% year-over-year change
Gender ratio
Male
46.4%
1,449
Female
53.6%
1,671
Value Percent YoY change
Male 1,449 46.4% -2.5%
Female 1,671 53.6% -4.6%
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 San Antonio is 45, with the population distributed as follows: about 11.8% are children under 15, then 13% are in the 15 to 24 age group. Adults between 25 and 44 make up 25% of the population, while another 26.7% fall into the 45 to 64 bracket. Finally, around 23.6% are 65 or older.

Median age
45.3
Age breakdown
Under 15
11.8%
15 to 24
13%
25 to 44
25%
45 to 64
26.7%
Over 65
23.6%
Value Percent YoY change
Under 15 367 11.8% -9.8%
15 to 24 404 13% -4.7%
25 to 44 779 25% 0.1%
45 to 64 833 26.7% -4.2%
Over 65 737 23.6% -2.9%
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 San Antonio

A peek inside San Antonio households

San Antonio has 1,307 households, with an average of 2 members in each. Of these, 62.5% are families, while the remaining 37.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,307
-1.1% year-over-year change
Average people per household
2
Non-family households
490
Family households
817
Value Percent YoY change
Non-family households 490 37.5% 1.9%
Family households 817 62.5% -2.9%
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 San Antonio

The housing landscape of San Antonio

San Antonio's housing consists of 1,639 units, with 61.5% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 16% 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 0.1% of the housing landscape.

Housing units
1,639
4.2% year-over-year change
Housing types
Value Percent
1 unit, detached 1,009 61.5%
1 unit, attached 262 16%
2 units 68 4.2%
3 or 4 units 64 3.9%
5 to 9 units 84 5.1%
10 to 19 units 70 4.3%
20 to 49 units 29 1.8%
50 or more units 52 3.2%
Mobile home 2 0.1%
Homes built since 2020
% year-over-year change

The age of buildings in San Antonio

In San Antonio, the median construction year is 1978. About 1.1% of homes were built before the 1940s, with another 2.9% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 18 1.1% -28.0%
Built between 1940 and 1949 47 2.9% 4.4%
Built between 1950 and 1959 137 8.4% 0.7%
Built between 1960 and 1969 320 19.5% 0.6%
Built between 1970 and 1979 364 22.2% 8.7%
Built between 1980 and 1989 214 13% -1.4%
Built between 1990 and 1999 235 14.3% 7.3%
Built between 2000 and 2009 232 14.2% 2.6%
Built between 2010 and 2019 73 4.4% 43.1%
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.

San Antonio occupancy rates

Out of the 1,307 occupied housing units in San Antonio, 64.5% are owner-occupied, while 35.5% are lived in by tenants. Meanwhile, 20.3% of all homes on the local market sit vacant.

Occupied housing units
1,307
-1.1% year-over-year change
Occupancy breakdown
Renter occupied
464
Owner occupied
843
Value Percent YoY
change
Renter occupied 464 35.5% -1.9%
Owner occupied 843 64.5% -0.7%
Unoccupied housing units
20.3%
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.

San Antonio housing costs

Housing costs in San Antonio come to a median of $512 per month, while tenants specifically pay a median gross rent of $584.

Median housing costs per month
$512/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 San Antonio
$584/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 San Antonio

San Antonio education at a glance

About 33.4% of the population in San Antonio went to high school, while 16.3% pursued college studies. Another 12.3% earned an associate degree and 22.2% hold a bachelor’s. Meanwhile, 8.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 203 7.7% -10.2%
High school diploma 884 33.4% -8.8%
College diploma 430 16.3% -8.3%
Associate degree 326 12.3% 9.4%
Bachelor's degree 586 22.2% 6.2%
Graduate degree 216 8.2% 3.4%
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 San Antonio

How much people earn in San Antonio

The average annual household income in San Antonio was $46,593 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.9% change from the previous year. At the same time, the median income stood at $29,575, reflecting a +7.5% shift over the same period.

Average household income in San Antonio
$46,593/year
3.9% year-over-year change
Median household income in San Antonio
$29,575/year
7.5% year-over-year change

San Antonio income by age

In San Antonio, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $33,034. Those with someone between 45 and 64 in charge, often well established professionally, earn $33,421 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $13,750, while those led by someone over 65, many of whom may be retired, have about $24,243 in earnings.

Income breakdown by age
Value YoY change
Under 25 $13,750 15.1%
25 - 44 $33,034 6.7%
45 - 64 $33,421 1.7%
Over 65 $24,243 1.3%

Employment in San Antonio

Workforce and job types in San Antonio

78.7% of the working population are employed in professional or administrative positions, while 21.3% are in hands-on or service-based jobs. Also, 13.2% run their own businesses, 64.8% are employed by private companies, and 17.2% work in the public sector.

Workforce demographics

White collar
948
Blue collar
256
Value Percent YoY change
White collar 948 78.7% 1.3%
Blue collar 256 21.3% 2.4%
Employer type
Self employees
13.2%
Private companies
64.8%
Governmental workers
17.2%
Not for profit companies
4.8%
Value Percent YoY change
Self employees 159 13.2% -3.6%
Private companies 779 64.8% 3.2%
Governmental workers 207 17.2% -0.5%
Not for profit companies 58 4.8% 0.0%

Transportation in San Antonio

How people get around in San Antonio

Commuting methods vary: 97.1% of residents travel by personal vehicle and 1.8% 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 1,030 97.1% 2.8%
Taxicab 4 0.4% -33.3%
Bus or trolleybus 3 0.3% 50.0%
Railroad 2 0.2% 100.0%
Bicycle 3 0.3% 0.0%
Walk 19 1.8% -36.7%
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 San Antonio by zipcode?

Zipcode Population Number of households Median income Average income
00725 73,462 30,764 $29,575 $46,951

Explore more communities

FAQs about San Antonio demographics 

What is the total population of San Antonio?

San Antonio has a total population of 3,120 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 -3.7% compared to a year ago.

What is the gender ratio in San Antonio?

The gender ratio in San Antonio is as follows:
  • 46.4% males (1,449 residents)
  • 53.6% females (1,671 residents)

What is the median age in San Antonio?

The median age in San Antonio is 45.3.

What is the age distribution of the population in San Antonio?

The age distribution in San Antonio is as follows:
  • Under 15: 11.8% (367 residents)
  • Ages 15-24: 13% (404 residents)
  • Ages 25-44: 25% (779 residents)
  • Ages 45-64: 26.7% (833 residents)
  • Over 65: 23.6% (737 residents)

What is the racial and ethnic makeup of San Antonio?

The racial and ethnic makeup of San Antonio is as follows:
  • White: 34.3% (1,070 residents)
  • Black or African American: 7.8% (242 residents)
  • American Indian and Alaska Native: 0.3% (10 residents)
  • Asian: 0.3% (8 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (1 residents)
  • Two or More Races: 31.4% (978 residents)
  • Other: 26% (811 residents)

What percentage of the population in San Antonio are U.S.-born citizens?

U.S.-born citizens represent 0% of the population in San Antonio.

How many housing units are there in San Antonio?

There are 1,639 housing units in San Antonio, reflecting a +4.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in San Antonio and what is the average household size?

San Antonio has a total of 1,307 households, with an average of 2 people in each.

What is the median household income in San Antonio?

San Antonio has a median household income of $29,575, representing a +7.5% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for San Antonio?

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

Job types:
  • White-collar workers: 78.7% (948 residents)
  • Blue-collar workers: 21.3% (256 residents)

Places of employment:
  • Self-employed: 13.2% (159 residents)
  • Private companies: 64.8% (779 residents)
  • Governmental workers: 17.2% (207 residents)
  • Not-for-profit companies: 4.8% (58 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