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.

4,150
population
12.54
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
92121 ZIP code map
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.

City Status
San Diego Preferred
Nearby ZIP codes
92122 San Diego (3 mi) 92130 San Diego (3.2 mi) 92037 La Jolla (3.3 mi) 92126 San Diego (3.7 mi) 92014 Del Mar (5 mi) 92092 La Jolla (5.3 mi) 92145 San Diego (5.4 mi) 92093 La Jolla (5.5 mi) 92117 San Diego (5.6 mi) 92129 San Diego (6.5 mi) 92111 San Diego (6.9 mi) 92075 Solana Beach (7 mi)
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
Total population by age
Gender
Race & ethnicity
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

4,150
Population
331
People per sq mi
32.3
Median age
$125,000
Median household income
$64,295
Per capita income
$1,017,800
Median home value
$2,433
Median monthly rent
48.4%
Home ownership
18.0%
Poverty rate
5.0%
Unemployment
895
Housing units
77.3%
Bachelor's or higher

Age distribution

Male Female
160
Under 5
140
101
5–9
88
54
10–14
47
38
15–19
33
417
20–24
366
444
25–34
388
326
35–44
286
254
45–54
222
108
55–59
95
99
60–64
87
159
65–74
139
40
75–84
35
13
85+
11
← Male
Female →

Age summary

GroupCount%
Under 1861314.8%
18 and over3,53785.2%
65 and over3979.6%
Median age32.3 years

Race & ethnicity

White 47.9%
Asian 24.6%
Two or more races 13.9%
Hispanic or Latino 8.2%
Other race 2.2%
Black or African American 2%
American Indian / Alaska Native 1%
Native Hawaiian / Pacific Islander 0.1%
GroupCount%
White2,16647.9%
Asian1,11424.6%
Two or more races63013.9%
Hispanic or Latino3708.2%
Other race992.2%
Black or African American902%
American Indian / Alaska Native451%
Native Hawaiian / Pacific Islander60.1%

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%
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%
Range% of households
Under $10k6.9%
$10k–$15k2.4%
$15k–$25k2.4%
$25k–$35k3.3%
$35k–$50k4.5%
$50k–$75k10.9%
$75k–$100k5.6%
$100k–$150k22.7%
$150k–$200k13.1%
$200k+28.3%
Median income$125,000

Housing

Home values

Under $50k 1.6%
$100k–$150k 1.1%
$200k–$300k 0.6%
$300k–$500k 1.7%
$500k–$1M 42.6%
$1M+ 52.3%

Housing overview

MetricValue
Median home value$1,017,800
Median rent / month$2,433
Owner occupied48.4%
Renter occupied51.6%
Vacant5.3%
Single-family detached38.1%
Large apartment buildings12.6%
Mobile homes0.0%
Median rooms5.0
Avg household size (owned)2.39

Year built

Era%
2020 or later0.0%
2010–20196.7%
2000–20099.4%
1990–199944.5%
1980–198910.1%
1970–197925.7%
1960–19692.7%
1950–19590.0%
1940–19490.0%
1939 or earlier0.9%

Bedrooms

Size% of units
No bedroom (studio)6.2%
1 bedroom10.3%
2 bedrooms20.6%
3 bedrooms37.6%
4 bedrooms16.3%
5+ bedrooms9.0%

Vehicles per household

Vehicles% of households
No vehicle1.9%
1 vehicle30.9%
2 vehicles47.9%
3 or more19.2%

Heating fuel

Fuel type%
Utility gas50.2%
Electricity44.3%
Solar1.7%
No fuel used3.8%

Households & families

Household typeCount%
Married-couple family83450.3%
Cohabiting couple1237.4%
Male householder, no spouse39623.9%
Female householder, no spouse30518.4%
Households with children under 1832019.3%
Households with seniors (65+)29017.5%
Average household size2.50

Marital status

StatusMaleFemale
Never married47.3%40.7%
Married45.9%50.9%
Separated1.0%0.9%
Widowed1.5%3.1%
Divorced4.4%4.4%

Education

Less than 9th grade 0.0%
Some HS, no diploma 1.0%
HS graduate 7.4%
Some college, no degree 9.9%
Associate's degree 4.4%
Bachelor's degree 34.9%
Graduate / professional 42.4%
Metric%
HS diploma or higher99.0%
Bachelor's or higher77.3%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool807.1%
Kindergarten645.7%
Elementary school15313.7%
High school605.4%
College / grad school76368.1%

Employment

Industry of employment

Professional & management 29.6%
Education & healthcare 27.3%
Manufacturing 11.7%
Retail trade 7.5%
Arts, food & hospitality 7.4%
Information 3.8%
Transportation & utilities 3.5%
Other services 3.2%
Finance & real estate 2.6%
Construction 2.2%
Wholesale trade 1.3%

Occupation

Category%
Management, business & arts72.1%
Service11.7%
Sales & office11.0%
Natural resources & construction0.6%
Production & transportation4.6%

Employment type

Type%
Private sector83.4%
Government13.3%
Self-employed3.3%
Unpaid family workers0.0%

Commute

Method%
Drive alone69.3%
Carpool5.3%
Public transit3.2%
Walk3.3%
Work from home14.8%
Other means4.1%
Avg commute (minutes)19.3

Poverty

All people 18.0%
Under 18 years 7.0%
18 and over 19.9%
Married-couple families 7.3%
Female-led households 7.3%

Income support

Source% of households
Social Security14.8%
Retirement income12.9%
Supplemental Security1.4%
Cash public assistance2.0%
Food stamps / SNAP5.3%

Health indicators

Condition%
Obesity21.1%
High blood pressure18.5%
High cholesterol22.0%
Diabetes4.9%
Heart disease2.5%
Stroke1.3%
Asthma8.2%
Arthritis11.6%
Kidney disease1.5%
Pulmonary disease2.8%
Cancer3.3%
Behavior / access%
Smoking8.2%
Binge drinking19.9%
No physical activity14.5%
Less than 7 hrs sleep32.3%
Depression15.8%
Fair or poor health8.0%
Poor mental health13.5%
Poor physical health5.9%
No health insurance7.3%
Visited doctor (checkup)65.6%
Visited dentist70.2%
Cholesterol screening87.3%
Teeth loss5.6%

Veterans & disability

VeteransCount%
Civilian veterans1243.5%
Disability%
Any disability4.6%
Under 182.1%
18–64 years4.5%
65 and over9.1%

Health insurance coverage

Type%
Private insurance92.8%
Public insurance14.1%
No insurance1.5%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only3,85092.8%
Spanish3679.5%
Other Indo-European330.9%
Asian & Pacific Islander1273.3%
Other languages2075.4%

Place of birth & citizenship

OriginCount%
Native born (US)3,06273.8%
Born in same state2,92170.4%
Born in different state1,73141.7%
Foreign born1413.4%
Naturalized citizen1,08826.2%
Not a US citizen55551.0%

Ancestry

AncestryCount%
Italian3077.4%
French2105.1%
Arab1172.8%
Irish210.5%
English190.5%
AncestryCount%
Norwegian180.4%
German160.4%
Dutch160.4%
Polish110.3%

Technology access

Metric% of households
Computer access40.0%
Internet access99.5%

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.

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