ZIP code · Garden Grove · California · United States

ZIP code 92840 — Garden Grove

ZIP code 92840 serves Garden Grove, California.

Postal code
92840
Single source Value from one source, not cross-checked.
City
Garden Grove
County
Orange FIPS 06059
State
California
Country
United States
Coordinates
33.7869, -117.9273 — precision precise (locality)
View on OpenStreetMap
Population
54,475 (ZCTA, ACS 5-year)
Population density
10,576 / sq mi
Land area
5.2 sq mi (13.3 km²) (ZCTA, ACS 5-year)
Median household income
$96,555
Per-capita income
$34,006
Median age
37.8
Households
15,891
Housing units
16,662
Median home value
$746,900
Median gross rent
$1,955 / month
Congressional district
CA-45 (119th Congress)
USDA hardiness zone
10b (35 to 40 °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
714, 657
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 85°F), coldest Dec (avg low 48°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F696971737578838584797468
Avg low °F495052545861656564595348
Precip in2.93.21.70.80.30.10.00.00.10.50.82.2

NOAA 1991–2020 climate normals from the nearest station: SANTA ANA FIRE STN (4.5 mi) · NOAA NCEI

Places in ZIP 92840

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