ZIP code · San Diego · California · United States

ZIP code 92128 — San Diego

ZIP code 92128 serves San Diego, California.

Postal code
92128
Single source Value from one source, not cross-checked.
City
San Diego
County
San Diego FIPS 06073
State
California
Country
United States
Coordinates
33.0067, -117.0690 — precision precise (locality)
View on OpenStreetMap
Population
48,492 (ZCTA, ACS 5-year)
Population density
4,142 / sq mi
Land area
11.7 sq mi (30.3 km²) (ZCTA, ACS 5-year)
Median household income
$128,150
Per-capita income
$66,767
Median age
44.4
Households
20,306
Housing units
21,308
Median home value
$875,400
Median gross rent
$2,760 / month
Congressional districts
CA-50 (also CA-51) (119th Congress)
USDA hardiness zone
10a (30 to 35 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Los_Angeles (UTC−8 / UTC−7 DST)
Area codes
619, 858 (from the nearest rate centre)
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Aug (avg high 83°F), coldest Dec (avg low 44°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F676768707276828381787166
Avg low °F464649515558636460575044
Precip in2.83.42.01.10.40.10.10.10.20.71.12.3

NOAA 1991–2020 climate normals from the nearest station: RANCHO BERNARDO (1.2 mi) · NOAA NCEI

Places in ZIP 92128

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page