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California ZIP Codes
San Diego County
San Ysidro, CA
92173
92173 ZIP Code — San Ysidro, CA
San Diego County, California
ZIP code 92173 is located in
San Ysidro ,
California ,
within San Diego County .
It covers approximately 2.88 square miles and serves a population of
28,609 residents.
This is a po box ZIP code in the Pacific (PT) timezone,
served by area code 619 .
About ZIP code 92173
The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $464,500. Renters make up the majority at 71%, typical of denser urban areas.
Median household income is $58,209. SNAP benefit usage at 22% of households reflects economic stress in the area. 34% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is sales and office, with retail trade as the leading industry. The average commute of 27 minutes is near the national average.
College attainment at 11% is below the national average, consistent with a trades and production-oriented local economy.
Notable community characteristics include Spanish spoken in 40% of households.
Overall, ZIP code 92173 reflects a community defined by a trades-oriented workforce, a significant Social Security-dependent population, and elevated reliance on food assistance.
92173 ZIP code map
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Cities in ZIP code 92173
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
28,609
Population density
9,934 / sq mi
State FIPS
06
County FIPS
073
Geography
Land area
2.88 sq mi
Water area
0.00 sq mi
Latitude
32.5547
Longitude
-117.0513
Timezone
Pacific (PT)
Area code
619
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
51.4%
30.1%
32.6%
$50k – $100k
28.8%
28.5%
27.7%
$100k – $200k
17.1%
28.6%
26.4%
Over $200k
2.7%
12.9%
13.3%
Demographics & statistics
$58,209
Median household income
$464,500
Median home value
$1,449
Median monthly rent
11.0%
Bachelor's or higher
Age distribution
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
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
Income range
This ZIP
County avg
State avg
Under $50k
51.4%
30.1%
32.6%
$50k – $100k
28.8%
28.5%
27.7%
$100k – $200k
17.1%
28.6%
26.4%
Over $200k
2.7%
12.9%
13.3%
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
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%
Some college, no degree
19.2%
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
Education & healthcare
14.7%
Arts, food & hospitality
12.5%
Professional & management
10.0%
Transportation & utilities
6.9%
Finance & real estate
6.1%
Public administration
4.2%
Agriculture & mining
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%
Work from home 4.5%
Other means 0.9%
Avg commute (minutes) 27.4
Poverty
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 %
Obesity 36.4%
High blood pressure 28.7%
High cholesterol 28.4%
Diabetes 13.7%
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 %
Smoking 13.7%
Binge drinking 16.9%
No physical activity 34.0%
Less than 7 hrs sleep 36.1%
Depression 18.0%
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%
No insurance 13.3%
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 about ZIP code 92173
What city is ZIP code 92173 in?
ZIP code 92173 is primarily assigned to San Ysidro, California.
What county is ZIP code 92173 in?
ZIP code 92173 falls within San Diego County, California.
Is Spanish widely spoken in ZIP code 92173?
Approximately 40% of households in ZIP code 92173 speak Spanish as a primary language.
Is ZIP code 92173 mostly rentals?
71% of occupied units in ZIP code 92173 are renter-occupied.
How educated is the population of ZIP code 92173?
11% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What is the poverty rate in ZIP code 92173?
16% of residents in ZIP code 92173 live below the poverty line, above the national average.
What timezone is ZIP code 92173 in?
ZIP code 92173 observes the PST timezone.
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