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    Zip Code 92173

    San Ysidro, California — San Diego County

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    📍 ZIP code 92173 is in San Ysidro, San Diego County, California.

    ZIP code 92173 is located in San Ysidro, San Diego County, California. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 26,507. The area code for ZIP code 92173 is 619.

    Quick Answer

    Zip code 92173 is in San Ysidro, California (San Diego County). It has a population of 26,507, median household income of $65,865, and median home value of $521,800.

    Population

    26,507

    Income

    $65,865

    Home Value

    $521,800

    Climate

    78°F / 44°F

    About Zip Code 92173

    Zip code 92173 is located in San Ysidro, California, within San Diego County. Home to approximately 26,507 residents, this area sits at an elevation of 77 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 619.

    The median household income is $65,865 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $521,800, and the cost of living index is 131 (31% above the national average of 100).

    Summers average a high of 78°F while winters drop to 44°F. The area receives about 10 in of rain and 2 in of snow annually. The zip code covers 5 square miles of land area and 0.2 square miles of water.

    Key Statistics

    Population

    26,507

    Median Income

    $65,865

    Median Home Value

    $521,800

    Timezone

    Pacific (PST/PDT)

    Area Code

    619

    Elevation

    77 ft

    Land Area

    5 sq mi

    Median Age

    36.3

    Housing Units

    8,190

    Compare With Nearby Zip Codes

    Metric921739215491911919329191391910
    CitySan Ysidro, CASan Diego, CAChula Vista, CAChula Vista, CAChula Vista, CAChula Vista, CA
    Population26,50782,83284,61925,89757,06777,957
    Median Income$65,865$90,035$79,334$79,071$129,412$87,705
    Home Value$521,800$606,400$602,000$811,000$750,000$676,700
    Cost of Living131168164200211178
    Median Age36.335.636.735.235.638.4

    Cost of Living

    Cost of Living Index131

    100 = National Average. San Ysidro's cost of living is 31% above the national average.

    vs. State Avg

    Above

    Affordability

    Expensive

    Income-to-Home

    7.9x

    Demographics

    Zip code 92173 has a population of 26,507 people with a median age of 36.3. There are 8,190 housing units in this area.

    Racial & Ethnic Composition

    white3%
    black1%
    hispanic93%
    asian2%
    other1%

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

    Population History

    San Ysidro (92173) population trend from 2010 to 2024

    ↓ -3.3%
    2010201220142016201820202022202424k27k30k35k

    Source: U.S. Census Bureau estimates and American Community Survey data.

    Climate & Weather

    Summer High

    78°F

    Winter Low

    44°F

    Annual Rainfall

    10 in

    Annual Snowfall

    2 in

    San Ysidro experiences mild summers with average highs around 78°F. Winters are mild with lows averaging 44°F. The area receives about 2 in of snow per year.

    Housing & Economy

    Median Home Value

    $521,800

    Median Household Income

    $65,865

    With 8,190 housing units across 5 square miles, 92173 has a housing density of 1,638 units per square mile. The home price-to-income ratio is 7.9x.

    Location & Geography

    Latitude

    32.5530°

    Longitude

    -117.0425°

    Land Area

    5 sq mi

    Water Area

    0.2 sq mi

    32.5530, -117.0425Open in Google Maps →

    Nearby Zip Codes

    Zip codes closest to 92173 (San Ysidro, CA) with distances:

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    ZIP Codes with Similar Income Nationwide

    The five U.S. ZIP codes whose median household income is closest to 92173's $65,865. A way to compare San Ysidro to economically similar communities elsewhere in the country.

    Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.

    ZIP Codes with Similar Demographics

    The five U.S. ZIP codes whose racial and ethnic composition most closely matches 92173 (San Ysidro, CA). Similarity is measured by cosine distance on the five-category ACS demographic vector.

    Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.

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    People Also Ask

    What zip code is San Ysidro, California?

    San Ysidro, California uses zip code 92173.

    What county is zip code 92173 in?

    Zip code 92173 is located in San Diego County, California.

    What is the population of zip code 92173?

    The population of zip code 92173 is 26,507 with a median age of 36.3.

    Is 92173 in San Ysidro, California?

    Yes, zip code 92173 is in San Ysidro, San Diego County, California. The area code is 619.

    Frequently Asked Questions

    What city is zip code 92173 in?

    Zip code 92173 is in San Ysidro, California. It is part of San Diego County and uses the Pacific (PST/PDT) timezone.

    What is zip code 92173?

    Zip code 92173 is a U.S. postal code in San Ysidro, California (San Diego County). It has a population of 26,507 and covers 5 square miles.

    What is the population of zip code 92173?

    The population of zip code 92173 (San Ysidro, CA) is 26,507 with a median age of 36.3. There are approximately 8,190 housing units in this area.

    What is the median income in zip code 92173?

    The median household income in zip code 92173 (San Ysidro, CA) is $65,865 per year. The cost of living index is 131 (100 = national average).

    What is the average home price in zip code 92173?

    The median home value in zip code 92173 (San Ysidro, CA) is $521,800. The cost of living index is 131 compared to the national average of 100.

    What county is zip code 92173 in?

    Zip code 92173 is located in San Diego County, California. The primary city is San Ysidro.

    What is the area code for zip code 92173?

    Zip code 92173 in San Ysidro, CA uses area code 619. It is located in the Pacific (PST/PDT) timezone.

    Is zip code 92173 a good place to live?

    Zip code 92173 (San Ysidro, CA) has a cost of living index of 131 (100 = national average), a median household income of $65,865, and median home values of $521,800. The median age is 36.3. Visit the full page for demographics, climate, and nearby zip code comparisons.

    What is the cost of living in zip code 92173?

    The cost of living index for zip code 92173 (San Ysidro, CA) is 131, where 100 represents the national average. This area is above the national average. Median home value: $521,800.

    What schools serve zip code 92173?

    Zip code 92173 in San Ysidro, California is served by the local school district of San Diego County. For specific school information, check your state's department of education or GreatSchools.org.

    All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.

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    Data Sources

    Population, income, housing, age, and demographics
    U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
    ZIP to city and county mapping
    USPS and HUD-USPS ZIP-County Crosswalk.
    Time zones and area codes
    IANA tz database and NANPA.
    Elevation
    U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
    Last refreshed
    2026-05-18.

    Methodology