Residential delivery area · California
ZIP Code 92121: San Diego, CA
ZIP code 92121 is in San Diego, California, entirely in San Diego County (Census 2020 ZIP-county file). About 4,000 people live there (Census Bureau, ACS 2020-2024), the 31st most populous of San Diego's 41 residential ZIP codes. Median household income is $135,938 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2021
- ZBP2023
- IRS2022
- Town
- San Diego · 41 residential ZIPs
- County
- San Diego County
- Census places
- San Diego
- Neighborhood
- Sorrento Valley GeoNames
- Metro area
- San Diego-Chula Vista-Carlsbad, CA
- House districts
- CA-51 (65%), CA-50 (35%) 119th Congress, by share of land
- State
- California
- Time zone
- Pacific
- Land area
- 12.5 sq mi · 317 people per sq mi
- PO Box ZIPs
- 35 more ZIP codes use the name San Diego for PO boxes or single organizations
Where is ZIP code 92121?
92121 centers on 32.897°, -117.202° and covers 12.5 square miles of land plus 0.0 of water. It borders 7 ZIP codes: 92093, 92122, 92130, 92126, 92145, 92037, 92014.
The map draws ZIP code areas only. For the streets inside 92121, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 92121 compare with the rest of San Diego?
| Measure | 92121 | In San Diego | In San Diego County | In CA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 3,974 | 31st of 41 | 85th of 116 | 1,162nd of 1,802 |
| Median household income | $136k | 6th of 30 | 17th of 85 | 232nd of 1,189 |
| Median home value | $1.09M | 8th of 30 | 20th of 89 | 294th of 1,317 |
Its median household income is higher than in 94% of U.S. residential ZIP codes, and it is denser than 68% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 92121?
The 2020 Census counted 4,658 people in 92121; the ACS, which samples households over 2020-2024, estimates 3,974. Between the 2010 and 2020 censuses its population grew 11.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,974±488 (90% margin)
- 2020 Census count
- 4,658+11.5% since 2010 (4,179)
- Households
- 1,575
- Median age
- 32.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 92121?
Of the 3,974 people the ACS estimates in 92121, 12.4% are under 18 and 11.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (48.6%), then Asian (not Hispanic) (26.3%).
- Under 1812.4%
- 18 to 6476.5%
- 65 and older11.1%
- White, not Hispanic48.6%
- Asian, not Hispanic26.3%
- Hispanic or Latino13.5%
- Other or two or more9.4%
- Black, not Hispanic2.1%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 92121 earn?
Median household income is $135,938 (ACS 2020-2024), the 17th highest of the 85 ranked ZIP codes in San Diego County. It is not measurably different from 2015-2019 ($132,252 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $135,938±$15,307
- Income per person
- $67,816
- Below the poverty line
- 15.8%
- Unemployed (of the labor force)
- 4.6%
- Adults 25+ with a bachelor's degree
- 74.4%
- Adjusted gross income per tax return, 2022
- $196,7082,400 returns; wages 61% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 92121?
- Median home value (owners' estimate)
- $1,085,200
- Median gross rent
- $2,606
- Homes owned by their occupants
- 49.6%
- Housing units
- 1,702
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 92121?
2,907 business establishments had a location in this ZIP code in 2023, 156 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services772
- Health care and social assistance293
- Wholesale trade287
- Manufacturing232
- Real estate and rental and leasing167
- Other services (except public administration)161
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 92121?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 92093 | La Jolla | 7,167 | – | 2.3 mi |
| 92122 | San Diego | 45,411 | $105k | 2.8 mi |
| 92130 | San Diego | 60,768 | $206k | 3.5 mi |
| 92126 | San Diego | 76,059 | $127k | 3.5 mi |
| 92145 | San Diego | 2,349 | – | 3.9 mi |
| 92037 | La Jolla | 40,717 | $147k | 4.1 mi |
| 92014 | Del Mar | 13,105 | $199k | 5.4 mi |
| 92161 | San Diego | 29 | – | 2.4 mi (near) |
| 92092 | La Jolla | 528 | – | 2.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.