ZIP code · Rio Rico · Arizona · United States

ZIP code 85648 — Rio Rico

ZIP code 85648 serves Rio Rico, Arizona.

Postal code
85648
Single source Value from one source, not cross-checked.
City
Rio Rico
County
Santa Cruz FIPS 04023
State
Arizona
Country
United States
Coordinates
31.5084, -111.0757 — precision precise (locality)
View on OpenStreetMap
Population
21,844 (ZCTA, ACS 5-year)
Population density
101 / sq mi
Land area
215.4 sq mi (557.9 km²) (ZCTA, ACS 5-year)
Median household income
$63,672
Per-capita income
$26,397
Median age
34.3
Households
7,079
Housing units
7,425
Median home value
$213,100
Median gross rent
$1,049 / month
Congressional district
AZ-7 (119th Congress)
USDA hardiness zone
8b (15 to 20 °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 (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 Jun (avg high 95°F), coldest Dec (avg low 32°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F636672788695939189817163
Avg low °F323438434959676660483832
Precip in1.11.10.80.30.20.53.83.41.81.10.91.0

NOAA 1991–2020 climate normals from the nearest station: TUMACACORI NM (4.3 mi) · NOAA NCEI

Places in ZIP 85648

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