ZipCodesToGo
California ZIP Codes
San Diego County
San Diego, CA
92121
92121 ZIP Code — San Diego, CA
San Diego County, California
ZIP code 92121 is located in
San Diego ,
California ,
within San Diego County .
It covers approximately 12.54 square miles and serves a population of
4,150 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 858/619/760 .
About ZIP code 92121
The housing stock consists of a mix of housing types. Most homes were built in the 1990s, giving the area an established character. Median home value is $1,017,800. Owner-occupancy sits near the national average at 48%.
The gap between median ($125,000) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 18% of residents, above the national average.
The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 19 minutes is near the national average.
Educational attainment is high — 77% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 92121 reflects a community defined by a highly educated population and economic challenges above the national average.
92121 ZIP code map
View map of 92121
Cities in ZIP code 92121
Below are the cities the US Postal Service accepts for ZIP code 92121. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
4,150
Population density
331 / sq mi
State FIPS
06
County FIPS
073
Geography
Land area
12.54 sq mi
Water area
0.02 sq mi
Latitude
32.9003
Longitude
-117.2067
Timezone
Pacific (PT)
Area code
858/619/760
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
23.7%
30.1%
32.6%
$50k – $100k
14.5%
28.5%
27.7%
$100k – $200k
38.2%
28.6%
26.4%
Over $200k
23.5%
12.9%
13.3%
Demographics & statistics
$125,000
Median household income
$1,017,800
Median home value
$2,433
Median monthly rent
77.3%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 613 14.8%
18 and over 3,537 85.2%
65 and over 397 9.6%
Median age 32.3 years
Race & ethnicity
Black or African American
2%
American Indian / Alaska Native
1%
Native Hawaiian / Pacific Islander
0.1%
Group Count %
White 2,166 47.9%
Asian 1,114 24.6%
Two or more races 630 13.9%
Hispanic or Latino 370 8.2%
Other race 99 2.2%
Black or African American 90 2%
American Indian / Alaska Native 45 1%
Native Hawaiian / Pacific Islander 6 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
23.7%
30.1%
32.6%
$50k – $100k
14.5%
28.5%
27.7%
$100k – $200k
38.2%
28.6%
26.4%
Over $200k
23.5%
12.9%
13.3%
Range % of households
Under $10k 6.9%
$10k–$15k 2.4%
$15k–$25k 2.4%
$25k–$35k 3.3%
$35k–$50k 4.5%
$50k–$75k 10.9%
$75k–$100k 5.6%
$100k–$150k 22.7%
$150k–$200k 13.1%
$200k+ 28.3%
Median income $125,000
Housing
Housing overview
Metric Value
Median home value $1,017,800
Median rent / month $2,433
Owner occupied 48.4%
Renter occupied 51.6%
Vacant 5.3%
Single-family detached 38.1%
Large apartment buildings 12.6%
Mobile homes 0.0%
Median rooms 5.0
Avg household size (owned) 2.39
Year built
Era %
2020 or later 0.0%
2010–2019 6.7%
2000–2009 9.4%
1990–1999 44.5%
1980–1989 10.1%
1970–1979 25.7%
1960–1969 2.7%
1950–1959 0.0%
1940–1949 0.0%
1939 or earlier 0.9%
Bedrooms
Size % of units
No bedroom (studio) 6.2%
1 bedroom 10.3%
2 bedrooms 20.6%
3 bedrooms 37.6%
4 bedrooms 16.3%
5+ bedrooms 9.0%
Vehicles per household
Vehicles % of households
No vehicle 1.9%
1 vehicle 30.9%
2 vehicles 47.9%
3 or more 19.2%
Heating fuel
Fuel type %
Utility gas 50.2%
Electricity 44.3%
Solar 1.7%
No fuel used 3.8%
Households & families
Household type Count %
Married-couple family 834 50.3%
Cohabiting couple 123 7.4%
Male householder, no spouse 396 23.9%
Female householder, no spouse 305 18.4%
Households with children under 18 320 19.3%
Households with seniors (65+) 290 17.5%
Average household size 2.50
Marital status
Status Male Female
Never married 47.3% 40.7%
Married 45.9% 50.9%
Separated 1.0% 0.9%
Widowed 1.5% 3.1%
Divorced 4.4% 4.4%
Education
Some college, no degree
9.9%
Graduate / professional
42.4%
Metric %
HS diploma or higher 99.0%
Bachelor's or higher 77.3%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 80 7.1%
Kindergarten 64 5.7%
Elementary school 153 13.7%
High school 60 5.4%
College / grad school 763 68.1%
Employment
Industry of employment
Professional & management
29.6%
Education & healthcare
27.3%
Arts, food & hospitality
7.4%
Transportation & utilities
3.5%
Finance & real estate
2.6%
Occupation
Category %
Management, business & arts 72.1%
Service 11.7%
Sales & office 11.0%
Natural resources & construction 0.6%
Production & transportation 4.6%
Employment type
Type %
Private sector 83.4%
Government 13.3%
Self-employed 3.3%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 69.3%
Carpool 5.3%
Public transit 3.2%
Walk 3.3%
Work from home 14.8%
Other means 4.1%
Avg commute (minutes) 19.3
Poverty
Married-couple families
7.3%
Female-led households
7.3%
Income support
Source % of households
Social Security 14.8%
Retirement income 12.9%
Supplemental Security 1.4%
Cash public assistance 2.0%
Food stamps / SNAP 5.3%
Health indicators
Condition %
Obesity 21.1%
High blood pressure 18.5%
High cholesterol 22.0%
Diabetes 4.9%
Heart disease 2.5%
Stroke 1.3%
Asthma 8.2%
Arthritis 11.6%
Kidney disease 1.5%
Pulmonary disease 2.8%
Cancer 3.3%
Behavior / access %
Smoking 8.2%
Binge drinking 19.9%
No physical activity 14.5%
Less than 7 hrs sleep 32.3%
Depression 15.8%
Fair or poor health 8.0%
Poor mental health 13.5%
Poor physical health 5.9%
No health insurance 7.3%
Visited doctor (checkup) 65.6%
Visited dentist 70.2%
Cholesterol screening 87.3%
Teeth loss 5.6%
Veterans & disability
Veterans Count %
Civilian veterans 124 3.5%
Disability %
Any disability 4.6%
Under 18 2.1%
18–64 years 4.5%
65 and over 9.1%
Health insurance coverage
Type %
Private insurance 92.8%
Public insurance 14.1%
No insurance 1.5%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 3,850 92.8%
Spanish 367 9.5%
Other Indo-European 33 0.9%
Asian & Pacific Islander 127 3.3%
Other languages 207 5.4%
Place of birth & citizenship
Origin Count %
Native born (US) 3,062 73.8%
Born in same state 2,921 70.4%
Born in different state 1,731 41.7%
Foreign born 141 3.4%
Naturalized citizen 1,088 26.2%
Not a US citizen 555 51.0%
Ancestry
Ancestry Count %
Italian 307 7.4%
French 210 5.1%
Arab 117 2.8%
Irish 21 0.5%
English 19 0.5%
Ancestry Count %
Norwegian 18 0.4%
German 16 0.4%
Dutch 16 0.4%
Polish 11 0.3%
Technology access
Metric % of households
Computer access 40.0%
Internet access 99.5%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 92121
What city is ZIP code 92121 in?
ZIP code 92121 is primarily assigned to San Diego, California.
What county is ZIP code 92121 in?
ZIP code 92121 falls within San Diego County, California.
How educated is the population of ZIP code 92121?
77% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the poverty rate in ZIP code 92121?
18% of residents in ZIP code 92121 live below the poverty line, above the national average.
What is the median household income in ZIP code 92121?
The median household income in ZIP code 92121 is $125,000, above the national median of ~$75,000.
What is the typical home value in ZIP code 92121?
The median home value in ZIP code 92121 is $1,017,800.
What timezone is ZIP code 92121 in?
ZIP code 92121 observes the PST timezone.
Need the complete ZIP code database?
Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →