Aragon, San Mateo, CA demographics:
population, income, and more

Total population
1,091
-0.1% year-over-year change
Median household income
$172,522/yr
-4.0% year-over-year change
Housing units
461
1.3% year-over-year change

Aragon population

How many people live in Aragon

Aragon is home to 1,091 residents, according to the most recent Census data. Gender-wise, 47% of Aragon locals are male, and 53% are female.

Total population
1,091
-0.1% year-over-year change
Gender ratio
Male
47%
513
Female
53%
578
Value Percent YoY change
Male 513 47% 0.2%
Female 578 53% -0.3%
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 Aragon is 41, with the population distributed as follows: about 18% are children under 15, then 9.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 27.9% of the population, while another 24.9% fall into the 45 to 64 bracket. Finally, around 19.9% are 65 or older.

Median age
40.8
Age breakdown
Under 15
18%
15 to 24
9.4%
25 to 44
27.9%
45 to 64
24.9%
Over 65
19.9%
Value Percent YoY change
Under 15 196 18% -0.5%
15 to 24 102 9.4% -8.9%
25 to 44 304 27.9% 4.1%
45 to 64 272 24.9% -4.6%
Over 65 217 19.9% 5.3%
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 Aragon, 71% of the population are US-born citizens, while 15.6% have gained naturalized citizenship. At the same time, 13.4% of residents are non-citizens. As for race, 48.9% of locals are Caucasian, 1.1% are African American and 29% have Asian roots. There’s also a share of 13.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
71%
Non-U.S.-born citizens
15.6%
Non-citizens
13.4%
Value Percent YoY change
U.S.-born citizens 775 71% -2.0%
Non-U.S.-born citizens 170 15.6% 1.8%
Non-citizens 146 13.4% 9.0%
Racial breakdown
White
48.9%
Black or African American
1.1%
American Indian and Alaska Native
0%
Asian
29%
Native Hawaiian and other Pacific Islander
0.8%
Two or more races
13.9%
Other
6.2%
Value Percent
White 533 48.9%
Black or African American 12 1.1%
Asian 316 29%
Native Hawaiian and other Pacific Islander 9 0.8%
Two or more races 152 13.9%
Other 68 6.2%

Households in Aragon

A peek inside Aragon households

Aragon has 433 households, with an average of 2 members in each. Of these, 64% are families, while the remaining 36% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
433
1.6% year-over-year change
Average people per household
2
Non-family households
156
Family households
277
Value Percent YoY change
Non-family households 156 36% 2.6%
Family households 277 64% 1.5%
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 Aragon

The housing landscape of Aragon

Aragon's housing consists of 461 units, with 60.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 5.9% and offer a more compact, shared living style.

Housing units
461
1.3% year-over-year change
Housing types
Value Percent
1 unit, detached 277 60.2%
1 unit, attached 27 5.9%
2 units 13 2.8%
3 or 4 units 15 3.3%
5 to 9 units 29 6.3%
10 to 19 units 17 3.7%
20 to 49 units 22 4.8%
50 or more units 60 13%
Homes built since 2020
6
20.0% year-over-year change

The age of buildings in Aragon

In Aragon, the median construction year is 1958. About 19.7% of homes were built before the 1940s, with another 15% going up by 1949. Most development happened in the second half of the 20th century. Then, 3.5% of homes were added from 2000 to 2009, 6.5% between 2010 and 2019, and 1.3% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 91 19.7% 0.0%
Built between 1940 and 1949 69 15% -2.8%
Built between 1950 and 1959 85 18.4% 0.0%
Built between 1960 and 1969 56 12.2% -1.8%
Built between 1970 and 1979 56 12.2% 7.7%
Built between 1980 and 1989 25 5.4% 4.2%
Built between 1990 and 1999 27 5.9% -12.9%
Built between 2000 and 2009 16 3.5% 0.0%
Built between 2010 and 2019 30 6.5% 30.4%
Built in 2020 or later 6 1.3% 20.0%
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.

Aragon occupancy rates

Out of the 433 occupied housing units in Aragon, 58.4% are owner-occupied, while 41.6% are lived in by tenants. Meanwhile, 6.1% of all homes on the local market sit vacant.

Occupied housing units
433
1.6% year-over-year change
Occupancy breakdown
Renter occupied
180
Owner occupied
253
Value Percent YoY
change
Renter occupied 180 41.6% 4.0%
Owner occupied 253 58.4% 0.4%
Unoccupied housing units
6.1%
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.

Aragon housing costs

Housing costs in Aragon come to a median of $3,771 per month, while tenants specifically pay a median gross rent of $3,501.

Median housing costs per month
$3,771/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 Aragon
$3,501/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 Aragon

Aragon education at a glance

About 12.8% of the population in Aragon went to high school, while 12.9% pursued college studies. Another 6.2% earned an associate degree and 31.8% hold a bachelor’s. Meanwhile, 33.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 22 2.6% 10.0%
High school diploma 109 12.8% -5.2%
College diploma 110 12.9% 2.8%
Associate degree 53 6.2% 12.8%
Bachelor's degree 270 31.8% -0.7%
Graduate degree 286 33.6% 0.0%
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 Aragon

How much people earn in Aragon

The average annual household income in Aragon was $271,441 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4% change from the previous year. At the same time, the median income stood at $172,522, reflecting a -4% shift over the same period.

Average household income in Aragon
$271,441/year
4.0% year-over-year change
Median household income in Aragon
$172,522/year
-4.0% year-over-year change

Aragon income by age

In Aragon, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $225,486. Those with someone between 45 and 64 in charge, often well established professionally, earn $237,037 overall. Overall, 94.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $225,486 1.5%
45 - 64 $237,037 -2.8%
Over 65 $107,273 -3.4%
Above poverty level
1,012
Below poverty level
56
Value Percent YoY
change
Above poverty level 1,012 94.8% 0.9%
Below poverty level 56 5.2% -15.2%

Employment in Aragon

Workforce and job types in Aragon

93.4% of the working population are employed in professional or administrative positions, while 6.6% are in hands-on or service-based jobs. Also, 11.8% run their own businesses, 71.5% are employed by private companies, and 9.7% work in the public sector.

Workforce demographics

White collar
521
Blue collar
37
Value Percent YoY change
White collar 521 93.4% 0.0%
Blue collar 37 6.6% 0.0%
Employer type
Self employees
11.8%
Private companies
71.5%
Governmental workers
9.7%
Not for profit companies
7%
Value Percent YoY change
Self employees 66 11.8% 3.1%
Private companies 399 71.5% -0.8%
Governmental workers 54 9.7% -3.6%
Not for profit companies 39 7% 8.3%

Transportation in Aragon

How people get around in Aragon

In Aragon, the average commute time is 1 minutes. Commuting methods vary: 91.2% of residents travel by personal vehicle and 4.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
1 min
0.0% year-over-year change
Means of transportation
Value Percent YoY change
Car 342 91.2% 0.0%
Bus or trolleybus 6 1.6% 0.0%
Railroad 6 1.6% -53.9%
Bicycle 3 0.8% 50.0%
Walk 18 4.8% -5.3%
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 Aragon by zipcode?

Zipcode Population Number of households Median income Average income
94402 25,475 10,125 $172,522 $271,936

Explore more communities

FAQs about Aragon demographics 

What is the total population of Aragon?

Aragon has a total population of 1,091 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 -0.1% compared to a year ago.

What is the gender ratio in Aragon?

The gender ratio in Aragon is as follows:
  • 47% males (513 residents)
  • 53% females (578 residents)

What is the median age in Aragon?

The median age in Aragon is 40.8.

What is the age distribution of the population in Aragon?

The age distribution in Aragon is as follows:
  • Under 15: 18% (196 residents)
  • Ages 15-24: 9.4% (102 residents)
  • Ages 25-44: 27.9% (304 residents)
  • Ages 45-64: 24.9% (272 residents)
  • Over 65: 19.9% (217 residents)

What is the racial and ethnic makeup of Aragon?

The racial and ethnic makeup of Aragon is as follows:
  • White: 48.9% (533 residents)
  • Black or African American: 1.1% (12 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 29% (316 residents)
  • Native Hawaiian and Other Pacific Islander: 0.8% (9 residents)
  • Two or More Races: 13.9% (152 residents)
  • Other: 6.2% (68 residents)

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

U.S.-born citizens represent 71% of the population in Aragon.

How many housing units are there in Aragon?

There are 461 housing units in Aragon, reflecting a +1.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Aragon has a total of 433 households, with an average of 2 people in each.

What is the median household income in Aragon?

Aragon has a median household income of $172,522, representing a -4.0% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Aragon?

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

Job types:
  • White-collar workers: 93.4% (521 residents)
  • Blue-collar workers: 6.6% (37 residents)

Places of employment:
  • Self-employed: 11.8% (66 residents)
  • Private companies: 71.5% (399 residents)
  • Governmental workers: 9.7% (54 residents)
  • Not-for-profit companies: 7% (39 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