San Carlos, TX demographics:
population, income, and more

Total population
3,678
-12.6% year-over-year change
Median household income
$49,132/yr
20.5% year-over-year change
Housing units
1,104
-8.3% year-over-year change

San Carlos population

How many people live in San Carlos

San Carlos is home to 3,678 residents, according to the most recent Census data. Gender-wise, 49.4% of San Carlos locals are male, and 50.6% are female.

Total population
3,678
-12.6% year-over-year change
Gender ratio
Male
49.4%
1,815
Female
50.6%
1,863
Value Percent YoY change
Male 1,815 49.4% -8.4%
Female 1,863 50.6% -16.4%
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 San Carlos is 35, with the population distributed as follows: about 22.3% are children under 15, then 18.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 27.6% of the population, while another 22% fall into the 45 to 64 bracket. Finally, around 9.7% are 65 or older.

Median age
34.7
Age breakdown
Under 15
22.3%
15 to 24
18.4%
25 to 44
27.6%
45 to 64
22%
Over 65
9.7%
Value Percent YoY change
Under 15 819 22.3% -16.9%
15 to 24 678 18.4% -21.8%
25 to 44 1,016 27.6% -4.8%
45 to 64 809 22% -7.2%
Over 65 356 9.7% -14.6%
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.

Racial makeup

In San Carlos, 72.1% of the population are US-born citizens, while 4.1% have gained naturalized citizenship. At the same time, 23.8% of residents are non-citizens. There’s also a share of 63.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
72.1%
Non-U.S.-born citizens
4.1%
Non-citizens
23.8%
Value Percent YoY change
U.S.-born citizens 2,651 72.1% -9.9%
Non-U.S.-born citizens 151 4.1% -16.1%
Non-citizens 876 23.8% -19.3%
Racial breakdown
White
25.5%
Black or African American
1.9%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
63.7%
Other
8.9%
Value Percent
White 937 25.5%
Black or African American 71 1.9%
Two or more races 2,344 63.7%
Other 326 8.9%

Households in San Carlos

A peek inside San Carlos households

San Carlos has 967 households, with an average of 4 members in each. Of these, 84.2% are families, while the remaining 15.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
967
-11.1% year-over-year change
Average people per household
4
Non-family households
153
Family households
814
Value Percent YoY change
Non-family households 153 15.8% 19.5%
Family households 814 84.2% -15.2%
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 San Carlos

The housing landscape of San Carlos

San Carlos's housing consists of 1,104 units, with 68% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 23.6% of the housing landscape.

Housing units
1,104
-8.3% year-over-year change
Housing types
Value Percent
1 unit, detached 751 68%
3 or 4 units 25 2.3%
5 to 9 units 68 6.2%
Mobile home 260 23.6%
Homes built since 2020
0
% year-over-year change

The age of buildings in San Carlos

In San Carlos, the median construction year is 1992. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built between 1950 and 1959 61 5.5% -24.7%
Built between 1960 and 1969 58 5.2% 48.7%
Built between 1970 and 1979 71 6.4% -30.4%
Built between 1980 and 1989 311 28.2% -2.8%
Built between 1990 and 1999 219 19.8% -28.0%
Built between 2000 and 2009 186 16.8% 3.9%
Built between 2010 and 2019 198 17.9% 10.6%
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 Carlos occupancy rates

Out of the 967 occupied housing units in San Carlos, 70.2% are owner-occupied, while 29.8% are lived in by tenants. Meanwhile, 12.4% of all homes on the local market sit vacant.

Occupied housing units
967
-11.1% year-over-year change
Occupancy breakdown
Renter occupied
288
Owner occupied
679
Value Percent YoY
change
Renter occupied 288 29.8% 5.1%
Owner occupied 679 70.2% -16.6%
Unoccupied housing units
12.4%
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.

San Carlos housing costs

Housing costs in San Carlos come to a median of $573 per month, while tenants specifically pay a median gross rent of $711.

Median housing costs per month
$573/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 Carlos
$711/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 Carlos

San Carlos education at a glance

About 52.6% of the population in San Carlos went to high school, while 14.7% pursued college studies. Another 3.2% earned an associate degree and 7.3% hold a bachelor’s. Meanwhile, 1.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 548 21% -21.1%
High school diploma 1,369 52.6% -7.2%
College diploma 383 14.7% -17.8%
Associate degree 84 3.2% -21.5%
Bachelor's degree 189 7.3% 1.1%
Graduate degree 31 1.2% 6.9%
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 San Carlos

How much people earn in San Carlos

The average annual household income in San Carlos was $63,394 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +9.9% change from the previous year. At the same time, the median income stood at $49,132, reflecting a +20.5% shift over the same period.

Average household income in San Carlos
$63,394/year
9.9% year-over-year change
Median household income in San Carlos
$49,132/year
20.5% year-over-year change

San Carlos income by age

In San Carlos, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $79,100. Those with someone between 45 and 64 in charge, often well established professionally, earn $30,197 overall. Overall, 76.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $79,100 3.4%
45 - 64 $30,197 -0.3%
Over 65 $21,759 6.2%
Above poverty level
2,799
Below poverty level
851
Value Percent YoY
change
Above poverty level 2,799 76.7% -15.0%
Below poverty level 851 23.3% -3.7%

Employment in San Carlos

Workforce and job types in San Carlos

The job market in San Carlos is powered by 1,137 working residents, spread across a range of industries and roles. 55.2% of the working population are employed in professional or administrative positions, while 44.8% are in hands-on or service-based jobs. Also, 38.7% run their own businesses, 50.4% are employed by private companies, and 9.2% work in the public sector.

Workforce demographics

Working population
1,137
-16.4% year-over-year change
White collar
627
Blue collar
510
Value Percent YoY change
White collar 627 55.2% -24.3%
Blue collar 510 44.8% -4.1%
Employer type
Self employees
38.7%
Private companies
50.4%
Governmental workers
9.2%
Not for profit companies
1.8%
Value Percent YoY change
Self employees 440 38.7% -9.7%
Private companies 573 50.4% -25.5%
Governmental workers 104 9.2% 20.9%
Not for profit companies 20 1.8% 11.1%
Unemployment rate
21.0%
5.9% year-over-year change

Available workforce

The unemployment rate in San Carlos stands at 21%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in San Carlos

How people get around in San Carlos

In San Carlos, the average commute time is 20 minutes.

Commute time
20 min
4.2% year-over-year change
Means of transportation
Value Percent YoY change
Car 751 67.6% -15.2%
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.

Explore more communities

FAQs about San Carlos demographics 

What is the total population of San Carlos?

San Carlos has a total population of 3,678 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 -12.6% compared to a year ago.

What is the gender ratio in San Carlos?

The gender ratio in San Carlos is as follows:
  • 49.4% males (1,815 residents)
  • 50.6% females (1,863 residents)

What is the median age in San Carlos?

The median age in San Carlos is 34.7.

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

The age distribution in San Carlos is as follows:
  • Under 15: 22.3% (819 residents)
  • Ages 15-24: 18.4% (678 residents)
  • Ages 25-44: 27.6% (1,016 residents)
  • Ages 45-64: 22% (809 residents)
  • Over 65: 9.7% (356 residents)

What is the racial and ethnic makeup of San Carlos?

The racial and ethnic makeup of San Carlos is as follows:
  • White: 25.5% (937 residents)
  • Black or African American: 1.9% (71 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 63.7% (2,344 residents)
  • Other: 8.9% (326 residents)

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

U.S.-born citizens represent 72.1% of the population in San Carlos.

How many housing units are there in San Carlos?

There are 1,104 housing units in San Carlos, reflecting a -8.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

San Carlos has a total of 967 households, with an average of 4 people in each.

What is the median household income in San Carlos?

San Carlos has a median household income of $49,132, representing a +20.5% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for San Carlos?

The employment rate is 79% in San Carlos, with a workforce of 1,137 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 55.2% (627 residents)
  • Blue-collar workers: 44.8% (510 residents)

Places of employment:
  • Self-employed: 38.7% (440 residents)
  • Private companies: 50.4% (573 residents)
  • Governmental workers: 9.2% (104 residents)
  • Not-for-profit companies: 1.8% (20 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