All ZIP Codes, Map and Demographics of San Ysidro, CA

92143 (PO Box) & 92173 are the only ZIP Codes for San Ysidro, CA

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Data Last Updated: March 1, 2026
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ZIP Codes:92143 (PO Box) & 92173 [See All]
County:San Diego County, CA
Area Codes:619,858
Time Zone:Pacific (GMT -08:00)
Local Time:12:00:00 AM
Population:29,703 (ZIP Codes) [More Demographics]
Statistical Area:San Diego-Chula Vista-Carlsbad, CA [Learn More]
Coordinates:32.5550, -117.0511
Land Area:2.88 sq miles (ZIP Codes)
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San Ysidro, CA has 2 ZIP Codes

ZIP CodeTypePopulationPop% of Population% of PopAlias Names
92143 P.O. Box00.00%San Diego
92173Standard29,703100.00%San Diego
1 ZIP Code on this page
42,000+ ZIP Codes in database
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Population & Demographics

Data labeled as "All ZIP Codes" is a total (or average) for every ZIP Code with San Ysidro, CA assigned by the USPS. The U.S. Postal Service provides a name (and aliases) for every ZIP Code which can include cities, towns, villages, and other incorporated names.

There is currently no matching U.S. Census Place for this geographic area. Many rural areas may have such low population density that they will not be part of any U.S. Census Place.

Total Population:29,703
Total Households:8,036
Total Housing Units:8,185
Average Household Size:3.68
Average Family Size:3.59

All ZIP Codes assigned this City name by the USPS.

Population Over Time (with 2010 & 2020 Census Benchmarks)

Line chart of All ZIPs in San Ysidro, CA population estimates from 2011-2024, with markers for the 2010 and 2020 Decennial Census counts to show growth or decline over time. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--28,05528,72331,03131,51832,35532,41631,72831,86631,00031,24829,63428,60926,507
Decennial Census29,429------------------29,703------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)

Median Age: 33.1

Male Median Age: 30.6

Female Median Age: 35.5

Line Chart showing the population by Age Group and Gender of all ZIPs in San Ysidro, California. One line shows the Total population in that age group, another line shows the Male population for that age group, and the last line shows the Female population for the given age group. A table also provides the same information. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male9031,0461,2311,3501,2021,123948897744732816817706572363223176153
Female8751,0111,2031,2211,2061,1331,0911,0179359421,0181,052960695510346225261
Total1,7782,0572,4342,5712,4082,2562,0391,9141,6791,6741,8341,8691,6661,267873569401414
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
Pie Chart & Table (ZIPs)Comparison Chart

Population by Race

Pie Chart showing Population by Race for all ZIPs in San Ysidro, California. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
White:4,7019.68%
Black:3530.73%
Hispanic:*27,95157.56%
Asian:5241.08%
American Indian:5311.09%
Hawaiian:310.06%
Other:14,46929.80%
Total:48,560100%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.
Pie Chart & Table (ZIPs)Comparison Chart

Gender Breakdown

Pie chart showing Male vs Demale share of the population. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
GenderCountPercentageMedian Age
Males:14,00247.14%30.6 years
Females:15,70152.86%35.5 years
Total:29,703100%33.1 years

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
Pie Chart & Table (ZIPs)

Nativity & Citizenship

Native, born in the United States:13,71551.74%
Native, born in PR, Island Areas, or abroad:5832.20%
Foreign born, naturalized U.S. citizen:6,32323.85%
Foreign born, not a U.S. citizen:5,88646.06%
Total Population:26,507100%
Total Native Population:14,29853.94%
Total Foreign-born Population:12,20946.06%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment

Median Income Over Time (Household, Family, Nonfamily, Male, Female)

Line Chart showing Median Income Estimates from 2011 until 2024 of Median Household Income, Median Family Income, Median Nonfamily Income, Median Male Income, and Median Female Income for all ZIPs in San Ysidro, California. A table also provides the same information. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Income Type2011210220132014201520162017201820192020202120222023
Median Household Income$36,048$35,680$36,621$35,745$35,605$37,166$38,911$42,561$46,549$48,967$54,003$58,209$65,865
Median Family Income$37,884$37,094$37,757$36,764$36,221$37,534$39,755$43,522$48,842$54,449$60,246$66,531$78,804
Median NonFamily Income$16,652$17,917$18,179$18,705$19,717$18,021$17,757$17,375$17,837$12,992$12,339$13,871$14,909
Median Male Income$31,699$31,127$31,925$31,845$30,923$34,545$35,637$37,191$39,520$40,452$43,001$46,724$50,697
Median Female Income$25,271$24,868$24,354$24,818$23,946$25,264$26,755$27,770$30,697$31,611$31,999$34,583$36,750
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income

Bar Chart showing Average Household Income for all ZIPs in San Ysidro, CA, the U.S. Census Place, San Diego County, the state of California, and the United States National Average. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Source: U.S. Census 2019-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS
Pie Chart & Table (ZIPs)Comparison Chart

Employment Status

Employment status for all ZIPs in San Ysidro, CA: employed, unemployed, and not in the labor force. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Employed:11,68755.78%
Unemployed:1,5227.26%
Not In Labor Force:7,74236.95%
Total:20,951100%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS
Pie Chart & Table (ZIPs)

Employment by Occupation (Civilian Employed Population, 16 and Over)

Management, business, science, and arts:2,34420.06%
Service:2,94825.22%
Sales and Office:2,71023.19%
Natural resources, construction, and maintenance:1,26710.84%
Production, transportation, and material moving:2,41820.69%
Total Civilian Employed Population:11,687100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability

Median Home Value (Comparison)

Bar Chart showing median House Value for all ZIPs in San Ysidro, California, the U.S. Census Place, San Diego County, California, and the United States National Average. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Median Home Value Over Time (2011-2024)

Group2011210220132014201520162017201820192020202120222023
Median Home Value$291,900$256,300$254,300$260,100$279,200$314,300$335,600$355,100$364,100$382,800$388,700$464,500$521,800
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS
Pie Chart & Table (ZIPs)

Gross Rent Paid

Less than $500:4639.26%
$500 to $999:58911.78%
$1,000 to $1,499:1,11822.35%
$1,500 to $1,999:1,66933.37%
$2,000 to $2,499:82516.49%
$2,500 to $2,999:1763.52%
$3,000 or more:901.80%
No Rent:721.44%
Total:5,002100%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time (2011-2024)

Group2011210220132014201520162017201820192020202120222023
Median Rent$913$911$917$950$969$1,030$1,060$1,103$1,165$1,253$1,362$1,449$1,588
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS
Pie Chart & Table (ZIPs)

Housing Occupancy

Owner Occupied (with mortgage): 1,770 22.88%
Owner Occupied (free and clear, no mortgage): 963 12.45%
Renter Occupied: 5,002 64.67%
Total Occupied Housing Units: 7,735 100%
Occupied Housing Units: 7,735 94.44%
Vacant Housing Units (not graphed): 455 5.56%
Total Housing Units: 8,190 100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community

Pie Chart & Table (ZIPs)

Educational Attainment of Adults (25 and Older)

Less than 9th grade:2,93516.33%
9th to 12th grade, no diploma:3,71420.66%
High school graduate (includes equivalency):4,68626.07%
Some college, no degree:3,62220.15%
Associate's degree:9655.37%
Bachelor's degree:1,5158.43%
Graduate or professional degree:5393.00%
Total:17,976100%
High school graduate or higher:11,32763.01%
Bachelor's degree or higher:2,05411.43%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Pie Chart & Table (ZIPs)Comparison Chart

Health Insurance Coverage by Type (Private, Public, Uninsured)

Private Insurance:12,02343.32%
Public Insurance:12,26544.19%
No Insurance:3,46512.49%
Total:27,753100%
Has Health Insurance:24,28887.51%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)

Group2011210220132014201520162017201820192020202120222023
% of People in Poverty25.1%27.9%27.7%28.6%27.7%26.7%26.3%23.4%20.2%18.3%15.8%13.7%11.0%
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

Pie Chart & Table (ZIPs)

School Enrollment by Education Level (Ages 3 and Older)

Nursery School, Preschool:3395.13%
Kindergarten:3545.36%
Elementary school (grades 1-8):2,87643.53%
High school (grades 9-12):1,25719.03%
College or graduate school:1,78126.96%
Total:6,607100%
Early Childhood:69310.49%
K-12 (Primary & Secondary School):4,48767.91%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics

San Ysidro supports both business and residential activity. According to the Business Census (2024), there are 596 business establishments, employing about 7,707 people with an annual payroll of $310,357,000. USPS data shows 7,935 residential mailboxes and 666 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:7,935Source: USPS
# Business Mailboxes:666Source: USPS
Total Delivery Receptacles:11,327Source: USPS
Single Family Delivery Units:1,953Source: USPS
Multi Family Delivery Units:2,419Source: USPS
# of Businesses:596Source: CBP
1st Quarter Payroll:$73,295,000Source: CBP
Annual Payroll:$310,357,000Source: CBP
# of Employees:7,707Source: CBP

All ZIP Codes assigned this City name by the USPS.

Geography, Land Area, and Statistical Classifications

San Ysidro, CA is located in San Diego County, within the San Diego-Chula Vista-Carlsbad, CA Metropolitan Statistical Area (CBSA 41740) and spans 2 of California's 3rd and 52nd Congressional Districts. This Metro area has a population of 3,282,782 people, about 0.9% of whom live in San Ysidro. ZIP Codes here cover 2.877 sq mi of land and a water area of 0 sq mi.

CBSA Name:San Diego-Chula Vista-Carlsbad, CASource: Census
CBSA Number:41740Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:3,282,782Source: Census
MSA:San Diego, CA MSASource: Census
PMSA:--Source: Census
Land Area:2.877 sq miSource: Census
Water Area:--Source: Census
Congressional District(s):03,52Source: USPS
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:--Source: Census
Place Name:--Source: Census

Sum of all ZIP Codes assigned this City name by the USPS.

Adjacent & Nearby Cities from San Ysidro, CA

  1. Chula Vista, CA ~3.6 miles
  2. San Diego, CA ~3.7 miles
  3. Imperial Beach, CA ~3.8 miles
  4. National City, CA ~8.0 miles
  5. Bonita, CA ~8.8 miles
  6. Coronado, CA ~10.4 miles
  7. Spring Valley, CA ~12.0 miles
  8. Lemon Grove, CA ~12.4 miles
  9. La Mesa, CA ~14.5 miles
  10. Jamul, CA ~16.6 miles
  11. El Cajon, CA ~17.2 miles
  12. Dulzura, CA ~18.7 miles
  13. Santee, CA ~21.9 miles
  14. Tecate, CA ~22.8 miles
  15. La Jolla, CA ~24.4 miles
  16. Alpine, CA ~25.6 miles
  17. Potrero, CA ~26.1 miles
  18. Lakeside, CA ~26.4 miles
  19. Poway, CA ~30.4 miles
  20. Del Mar, CA ~30.4 miles

Sources & References

Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on March 1, 2026.

  1. U.S. Postal Service [Last Updated: 3/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 3/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 3/1/2026], https://nces.ed.gov