San Ysidro ZIP Codes — San Diego County, CA

There are 2 unique ZIP codes in San Ysidro, California. Area code: 619/858.

ZIP codes

2.88

sq mi land

0.00

sq mi water

619/858

area code

San Ysidro, CA ZIP code map

About San Ysidro, CA

San Ysidro is a vibrant community located in California, renowned for its close proximity to the Mexican border. This city is part of San Diego County and is characterized by its rich cultural heritage. With a diverse population and a blend of residential and commercial areas, San Ysidro is an important gateway between the United States and Mexico.

Location & geography

San Ysidro covers a land area of 5.75 square miles and has no water area. The city is situated just north of the border with Tijuana, Mexico, making it a key point of access for cross-border travel. Nearby cities include Chula Vista, located approximately 7 miles to the northwest, and Imperial Beach, about 9 miles to the west.

Community & economy

The community of San Ysidro is known for its cultural diversity and strong sense of identity. Its economy is supported primarily by retail and service industries, benefiting greatly from its location near the international border. Daily life in San Ysidro often involves a mix of commerce and community events, with residents partaking in various local festivals and markets.

Transportation

San Ysidro is accessible via Interstate 5, which runs directly to the Mexico-United States border, facilitating easy travel. The nearest major airport is San Diego International Airport, located approximately 20 miles to the northwest. Public transportation options include the San Diego Trolley, which connects residents to greater San Diego.

History

San Ysidro was established as a settlement focused on agriculture and commerce, taking advantage of its location near the international border. Over the years, it has evolved into a bustling urban area that supports both local and cross-border trade. Notable events include its incorporation into the City of San Diego in the late 20th century, which led to significant urban development.

Did you know?

A surprising fact about San Ysidro is that it is home to one of the busiest border crossings in the world, linking it directly to Tijuana. Additionally, the area features the historic San Ysidro Port of Entry, which has served as a significant pass for travelers since the early 20th century.

ZIP codes for San Ysidro, CA (2)

ZIP code	City	County	Map
92143	San Ysidro	San Diego	View map
92173	San Ysidro	San Diego	View map

Demographics & statistics

28,609

Population

34.2

Median age

$58,209

Median household income

$22,550

Per capita income

$464,500

Median home value

$1,449

Median monthly rent

29.2%

Home ownership

16.3%

Poverty rate

10.6%

Unemployment

2,661

Housing units

11.0%

Bachelor's or higher

Age distribution

Male Female

945

Under 5

1,060

920

5–9

1,033

975

10–14

1,095

951

15–19

1,067

894

20–24

1,004

2,162

25–34

2,427

1,674

35–44

1,879

1,407

45–54

1,579

924

55–59

1,038

973

60–64

1,092

867

65–74

974

577

75–84

648

209

85+

235

← Male

Female →

Age summary

Group	Count	%
Under 18	7,195	25.1%
18 and over	21,414	74.9%
65 and over	3,510	12.3%
Median age	34.2 years

Race & ethnicity

Hispanic or Latino 32.8%

White 31.2%

Two or more races 19%

Other race 14.1%

Asian 1%

Black or African American 0.9%

American Indian / Alaska Native 0.6%

Native Hawaiian / Pacific Islander 0.3%

Group	Count	%
Hispanic or Latino	13,966	32.8%
White	13,273	31.2%
Two or more races	8,073	19%
Other race	6,015	14.1%
Asian	444	1%
Black or African American	399	0.9%
American Indian / Alaska Native	270	0.6%
Native Hawaiian / Pacific Islander	135	0.3%

Household income

Under $10k 8.0%

$10k–$15k 10.0%

$15k–$25k 8.4%

$25k–$35k 6.5%

$35k–$50k 11.6%

$50k–$75k 16.9%

$75k–$100k 15.1%

$100k–$150k 12.2%

$150k–$200k 6.5%

$200k+ 4.9%

Range	% of households
Under $10k	8.0%
$10k–$15k	10.0%
$15k–$25k	8.4%
$25k–$35k	6.5%
$35k–$50k	11.6%
$50k–$75k	16.9%
$75k–$100k	15.1%
$100k–$150k	12.2%
$150k–$200k	6.5%
$200k+	4.9%
Median income	$58,209

Housing

Home values

Under $50k 8.3%

$50k–$100k 1.5%

$100k–$150k 2.0%

$150k–$200k 2.1%

$200k–$300k 9.1%

$300k–$500k 32.0%

$500k–$1M 44.6%

$1M+ 0.4%

Housing overview

Metric	Value
Median home value	$464,500
Median rent / month	$1,449
Owner occupied	29.2%
Renter occupied	70.8%
Vacant	3.9%
Single-family detached	27.3%
Large apartment buildings	17.8%
Mobile homes	5.2%
Median rooms	4.1
Avg household size (owned)	4.01

Year built

Era	%
2020 or later	0.4%
2010–2019	1.9%
2000–2009	8.1%
1990–1999	11.6%
1980–1989	27.2%
1970–1979	27.0%
1960–1969	14.1%
1950–1959	4.2%
1940–1949	3.4%
1939 or earlier	2.1%

Bedrooms

Size	% of units
No bedroom (studio)	5.3%
1 bedroom	19.9%
2 bedrooms	34.9%
3 bedrooms	20.8%
4 bedrooms	16.4%
5+ bedrooms	2.7%

Vehicles per household

Vehicles	% of households
No vehicle	11.1%
1 vehicle	32.8%
2 vehicles	31.8%
3 or more	24.3%

Heating fuel

Fuel type	%
Utility gas	54.7%
Electricity	36.3%
Propane / LP gas	1.6%
Solar	0.6%
No fuel used	6.6%

Households & families

Household type	Count	%
Married-couple family	3,866	48.3%
Cohabiting couple	295	3.7%
Male householder, no spouse	830	10.4%
Female householder, no spouse	3,007	37.6%
Households with children under 18	3,433	42.9%
Households with seniors (65+)	2,770	34.6%
Average household size	3.57

Marital status

Status	Male	Female
Never married	41.9%	34.2%
Married	49.1%	36.3%
Separated	3.1%	6.9%
Widowed	1.5%	13.9%
Divorced	4.5%	8.7%

Education

Less than 9th grade 18.8%

Some HS, no diploma 21.9%

HS graduate 23.0%

Some college, no degree 19.2%

Associate's degree 6.1%

Bachelor's degree 8.4%

Graduate / professional 2.6%

Metric	%
HS diploma or higher	59.3%
Bachelor's or higher	11.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	432	5.5%
Kindergarten	405	5.2%
Elementary school	3,173	40.5%
High school	1,769	22.6%
College / grad school	2,056	26.2%

Employment

Industry of employment

Retail trade 15.4%

Education & healthcare 14.7%

Arts, food & hospitality 12.5%

Manufacturing 11.6%

Professional & management 10.0%

Construction 8.7%

Transportation & utilities 6.9%

Finance & real estate 6.1%

Other services 4.8%

Public administration 4.2%

Wholesale trade 3.8%

Agriculture & mining 0.7%

Information 0.7%

Occupation

Category	%
Management, business & arts	18.3%
Service	25.5%
Sales & office	25.6%
Natural resources & construction	11.1%
Production & transportation	19.6%

Employment type

Type	%
Private sector	83.6%
Government	10.8%
Self-employed	5.4%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	75.4%
Carpool	9.8%
Public transit	6.9%
Walk	2.4%
Other means	0.9%
Avg commute (minutes)	27.4

Poverty

All people 16.3%

Under 18 years 17.2%

18 and over 16.0%

Married-couple families 8.7%

Female-led households 25.4%

Income support

Source	% of households
Social Security	33.5%
Retirement income	11.2%
Supplemental Security	10.8%
Cash public assistance	4.8%
Food stamps / SNAP	22.4%

Health indicators

Condition	%
High blood pressure	28.7%
High cholesterol	28.4%
Heart disease	5.5%
Stroke	3.0%
Asthma	10.0%
Arthritis	19.0%
Kidney disease	3.4%
Pulmonary disease	5.5%
Cancer	3.9%

Behavior / access	%
Binge drinking	16.9%
No physical activity	34.0%
Less than 7 hrs sleep	36.1%
Fair or poor health	25.7%
Poor mental health	16.9%
Poor physical health	13.9%
No health insurance	27.9%
Visited doctor (checkup)	67.5%
Visited dentist	50.5%
Cholesterol screening	86.4%
Teeth loss	16.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	655	3.1%

Disability	%
Any disability	12.2%
Under 18	2.2%
18–64 years	10.1%
65 and over	43.6%

Health insurance coverage

Type	%
Private insurance	42.7%
Public insurance	48.7%
Uninsured under 19	6.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	26,604	93.0%
Spanish	10,580	39.8%
Other Indo-European	10,481	39.4%
Asian & Pacific Islander	0	0.0%
Other languages	93	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	15,053	52.6%
Born in same state	14,428	50.4%
Born in different state	13,670	47.8%
Foreign born	625	2.2%
Naturalized citizen	13,556	47.4%
Not a US citizen	7,120	52.5%

Ancestry

Ancestry	Count	%
Arab	123	0.4%
Irish	96	0.3%
Italian	63	0.2%
Norwegian	58	0.2%

Ancestry	Count	%
German	35	0.1%
French	29	0.1%
Polish	20	0.1%

Technology access

Metric	% of households
Computer access	28.0%
Internet access	92.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does San Ysidro, CA have?

San Ysidro, CA has one ZIP code: 92173. Each ZIP code serves a distinct delivery area within the city and surrounding region.