ZIP code · Casa Grande · Arizona · United States

ZIP code 85122 — Casa Grande

ZIP code 85122 serves Casa Grande, Arizona.

Postal code
85122
Single source Value from one source, not cross-checked.
City
Casa Grande
County
Pinal FIPS 04021
State
Arizona
Country
United States
Coordinates
32.8905, -111.7540 — precision precise (locality)
View on OpenStreetMap
Population
58,328 (ZCTA, ACS 5-year)
Population density
1,034 / sq mi
Land area
56.4 sq mi (146.1 km²) (ZCTA, ACS 5-year)
Median household income
$64,243
Per-capita income
$33,889
Median age
36.4
Households
20,856
Housing units
24,238
Median home value
$242,500
Median gross rent
$1,289 / month
Congressional districts
AZ-2 (also AZ-6) (119th Congress)
USDA hardiness zone
9a (20 to 25 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Phoenix (UTC−7, no DST)
Area code
520
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 Jul (avg high 107°F), coldest Dec (avg low 38°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F6973808896106107105100917868
Avg low °F394247536070787771574538
Precip in0.81.00.80.20.20.20.91.50.70.50.40.7

NOAA 1991–2020 climate normals from the nearest station: CASA GRANDE (2.3 mi) · NOAA NCEI

Places in ZIP 85122

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