San Ysidro, CA demographics:
population, income, and more

Total population
27,582
4.1% year-over-year change
Median household income
$69,792/yr
6.0% year-over-year change
Housing units
8,395
2.5% year-over-year change

San Ysidro population

How many people live in San Ysidro

San Ysidro is home to 27,582 residents, according to the most recent Census data. Gender-wise, 47.8% of San Ysidro locals are male, and 52.2% are female.

Total population
27,582
4.1% year-over-year change
Gender ratio
Male
47.8%
13,178
Female
52.2%
14,405
Value Percent YoY change
Male 13,178 47.8% 3.0%
Female 14,405 52.2% 5.0%
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 Ysidro is 36, with the population distributed as follows: about 20.3% are children under 15, then 13.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 28.8% of the population, while another 23.9% fall into the 45 to 64 bracket. Finally, around 13.2% are 65 or older.

Median age
35.9
Age breakdown
Under 15
20.3%
15 to 24
13.8%
25 to 44
28.8%
45 to 64
23.9%
Over 65
13.2%
Value Percent YoY change
Under 15 5,608 20.3% 7.0%
15 to 24 3,799 13.8% 15.5%
25 to 44 7,946 28.8% 1.4%
45 to 64 6,600 23.9% -1.0%
Over 65 3,629 13.2% 4.6%
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 Ysidro, 53.1% of the population are US-born citizens, while 24.5% have gained naturalized citizenship. At the same time, 22.4% of residents are non-citizens. As for race, 13.4% of locals are Caucasian, 1% are African American and 2.3% have Asian roots. Another 1.4% are Indigenous American, 0.5% are Pacific Islanders, while 33.3% identify as another race. There’s also a share of 48.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
53.1%
Non-U.S.-born citizens
24.5%
Non-citizens
22.4%
Value Percent YoY change
U.S.-born citizens 14,656 53.1% 6.9%
Non-U.S.-born citizens 6,755 24.5% -2.2%
Non-citizens 6,171 22.4% 4.9%
Racial breakdown
White
13.4%
Black or African American
1%
American Indian and Alaska Native
1.4%
Asian
2.3%
Native Hawaiian and other Pacific Islander
0.5%
Two or more races
48.2%
Other
33.3%
Value Percent
White 3,684 13.4%
Black or African American 282 1%
American Indian and Alaska Native 381 1.4%
Asian 625 2.3%
Native Hawaiian and other Pacific Islander 131 0.5%
Two or more races 13,292 48.2%
Other 9,188 33.3%

Households in San Ysidro

A peek inside San Ysidro households

San Ysidro has 7,951 households, with an average of 3 members in each. Of these, 77.3% are families, while the remaining 22.7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
7,951
2.8% year-over-year change
Average people per household
3
Non-family households
1,805
Family households
6,146
Value Percent YoY change
Non-family households 1,805 22.7% -10.4%
Family households 6,146 77.3% 7.5%
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 San Ysidro

The housing landscape of San Ysidro

San Ysidro's housing consists of 8,395 units, with 28.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 6.7% 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 5.2% of the housing landscape.

Housing units
8,395
2.5% year-over-year change
Housing types
Value Percent
1 unit, detached 2,401 28.6%
1 unit, attached 562 6.7%
2 units 246 2.9%
3 or 4 units 735 8.8%
5 to 9 units 1,104 13.2%
10 to 19 units 1,145 13.6%
20 to 49 units 450 5.4%
50 or more units 1,251 14.9%
Mobile home 438 5.2%
Boat, RV, van, etc. 64 0.8%
Homes built since 2020
74
54.2% year-over-year change

The age of buildings in San Ysidro

In San Ysidro, the median construction year is 1979. About 2.4% of homes were built before the 1940s, with another 3.7% going up by 1949. Most development happened in the second half of the 20th century. Then, 8.1% of homes were added from 2000 to 2009, 5.3% between 2010 and 2019, and 0.9% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 197 2.4% -12.4%
Built between 1940 and 1949 308 3.7% -0.7%
Built between 1950 and 1959 404 4.8% -0.2%
Built between 1960 and 1969 1,416 16.9% 8.4%
Built between 1970 and 1979 2,099 25% 5.0%
Built between 1980 and 1989 2,101 25% -2.1%
Built between 1990 and 1999 674 8% -19.9%
Built between 2000 and 2009 680 8.1% 6.8%
Built between 2010 and 2019 443 5.3% 62.9%
Built in 2020 or later 74 0.9% 54.2%
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 Ysidro occupancy rates

Out of the 7,951 occupied housing units in San Ysidro, 34.9% are owner-occupied, while 65.1% are lived in by tenants. Meanwhile, 5.3% of all homes on the local market sit vacant.

Occupied housing units
7,951
2.8% year-over-year change
Occupancy breakdown
Renter occupied
5,177
Owner occupied
2,774
Value Percent YoY
change
Renter occupied 5,177 65.1% 3.5%
Owner occupied 2,774 34.9% 1.5%
Unoccupied housing units
5.3%
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 Ysidro housing costs

Housing costs in San Ysidro come to a median of $1,763 per month, while tenants specifically pay a median gross rent of $1,707.

Median housing costs per month
$1,763/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 Ysidro
$1,707/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 Ysidro

San Ysidro education at a glance

About 47.9% of the population in San Ysidro went to high school, while 22.8% pursued college studies. Another 5.6% earned an associate degree and 7.3% hold a bachelor’s. Meanwhile, 2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 3,002 14.4% 2.1%
High school diploma 9,992 47.9% 3.9%
College diploma 4,759 22.8% 3.9%
Associate degree 1,180 5.6% 16.7%
Bachelor's degree 1,520 7.3% -8.1%
Graduate degree 424 2% -24.0%
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 San Ysidro

How much people earn in San Ysidro

The average annual household income in San Ysidro was $85,063 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.1% change from the previous year. At the same time, the median income stood at $69,792, reflecting a +6% shift over the same period.

Average household income in San Ysidro
$85,063/year
3.1% year-over-year change
Median household income in San Ysidro
$69,792/year
6.0% year-over-year change

San Ysidro income by age

In San Ysidro, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $74,927. Those with someone between 45 and 64 in charge, often well established professionally, earn $74,962 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $86,528, while those led by someone over 65, many of whom may be retired, have about $37,005 in earnings. Overall, 86.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $86,528 4.4%
25 - 44 $74,927 3.5%
45 - 64 $74,962 -6.3%
Over 65 $37,005 4.6%
Above poverty level
23,575
Below poverty level
3,674
Value Percent YoY
change
Above poverty level 23,575 86.5% 4.3%
Below poverty level 3,674 13.5% 2.2%

Employment in San Ysidro

Workforce and job types in San Ysidro

69.4% of the working population are employed in professional or administrative positions, while 30.6% are in hands-on or service-based jobs. Also, 6.4% run their own businesses, 75.9% are employed by private companies, and 11.9% work in the public sector.

Workforce demographics

White collar
8,233
Blue collar
3,638
Value Percent YoY change
White collar 8,233 69.4% 2.9%
Blue collar 3,638 30.6% -1.3%
Employer type
Self employees
6.4%
Private companies
75.9%
Governmental workers
11.9%
Not for profit companies
5.7%
Value Percent YoY change
Self employees 765 6.4% 4.1%
Private companies 9,015 75.9% -0.5%
Governmental workers 1,413 11.9% 3.4%
Not for profit companies 678 5.7% 29.1%

Transportation in San Ysidro

How people get around in San Ysidro

In San Ysidro, the average commute time is 29 minutes. Commuting methods vary: 92.6% of residents travel by personal vehicle and 2.7% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
29 min
Means of transportation
Value Percent YoY change
Car 9,565 92.6% 0.4%
Taxicab 32 0.3% 18.5%
Bus or trolleybus 425 4.1% -4.9%
Motorcycle 18 0.2% 20.0%
Bicycle 12 0.1% N/A
Walk 276 2.7% 23.2%
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.

What is the median and average household income in San Ysidro by zipcode?

Zipcode Population Number of households Median income Average income
92173 27,585 7,952 $69,792 $85,189

Find your place

Explore more communities

FAQs about San Ysidro demographics 

What is the total population of San Ysidro?

San Ysidro has a total population of 27,582 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 +4.1% compared to a year ago.

What is the gender ratio in San Ysidro?

The gender ratio in San Ysidro is as follows:
  • 47.8% males (13,178 residents)
  • 52.2% females (14,405 residents)

What is the median age in San Ysidro?

The median age in San Ysidro is 35.9.

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

The age distribution in San Ysidro is as follows:
  • Under 15: 20.3% (5,608 residents)
  • Ages 15-24: 13.8% (3,799 residents)
  • Ages 25-44: 28.8% (7,946 residents)
  • Ages 45-64: 23.9% (6,600 residents)
  • Over 65: 13.2% (3,629 residents)

What is the racial and ethnic makeup of San Ysidro?

The racial and ethnic makeup of San Ysidro is as follows:
  • White: 13.4% (3,684 residents)
  • Black or African American: 1% (282 residents)
  • American Indian and Alaska Native: 1.4% (381 residents)
  • Asian: 2.3% (625 residents)
  • Native Hawaiian and Other Pacific Islander: 0.5% (131 residents)
  • Two or More Races: 48.2% (13,292 residents)
  • Other: 33.3% (9,188 residents)

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

U.S.-born citizens represent 53.1% of the population in San Ysidro.

How many housing units are there in San Ysidro?

There are 8,395 housing units in San Ysidro, 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 San Ysidro and what is the average household size?

San Ysidro has a total of 7,951 households, with an average of 3 people in each.

What is the median household income in San Ysidro?

San Ysidro has a median household income of $69,792, representing a +6.0% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for San Ysidro?

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

Job types:
  • White-collar workers: 69.4% (8,233 residents)
  • Blue-collar workers: 30.6% (3,638 residents)

Places of employment:
  • Self-employed: 6.4% (765 residents)
  • Private companies: 75.9% (9,015 residents)
  • Governmental workers: 11.9% (1,413 residents)
  • Not-for-profit companies: 5.7% (678 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