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ZIP Code 85646, Arizona

ZIP Code 85646 profile, demographic data, and geographic information.

ZCTA5 85646 is a 5-digit ZIP Code area located in Santa Cruz County, Arizona. As of official census estimates, it has a reported population of 1,345. The land area covers 69.13 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 1,345 ±289 2020-2024 / Census ACS 5-Year 2024
Median Age 71.9 yrs ±3.6 2020-2024 / Census ACS 5-Year 2024
Total Households 746 ±120 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 1,139 ±139
Occupied Housing Units 746 ±120
Vacant Housing Units 393 ±103
Median Home Value $491,300 ±$120,132
Median Gross Rent $2,295 ±$478
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $73,438 ±$27,285
Per Capita Income $47,904 ±$8,673
Poverty Rate 12.9% ±15%
Population Below Poverty Level 173 ±205
Unemployment Rate 0% ±6.1%
Civilian Labor Force, Employed 228 ±110
Broadband Internet Rate 90.8% ±6.8%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 50,508 (2024)
ID: 122740
County Official County Government
Contact: DIRECTOR OF COMMUNITY DEVELOPMENT
275 RIO RICO DRIVE, RIO RICO AZ 85648

Education

Listing 9 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-08 RIO RICO, AZ
Regular School Nearby 06-08 RIO RICO, AZ
Regular School Nearby KG-08 AMADO, AZ
Regular School Nearby KG-05 RIO RICO, AZ
Career and Technical School Nearby 09-12 RIO RICO, AZ
Regular School Nearby 09-12 Rio Rico, AZ
Regular School Nearby KG-05 RIO RICO, AZ
Regular School Nearby PK-06 Amado, AZ
6 Nearby 1 RIO RICO, AZ
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 8 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
TUBAC LIBRARY
Library 0.5 mi away 50 BRIDGE RD, TUBAC, AZ, 85640
(520) 398-9814
RIO RICO LIBRARY
Library 11.3 mi away 275 RIO RICO DR, RIO RICO, AZ, 85648
(520) 281-8067
CAVIGLIA-ARIVACA BRANCH LIBRARY
Library 16.6 mi away 17050 W ARIVACA RD, ARIVACA, AZ, 85601
(520) 594-5235
JOYNER-GREEN VALLEY BRANCH LIBRARY
Library 18.3 mi away 601 N LA CANADA DR, GREEN VALLEY, AZ, 85614
(520) 594-5295
PATAGONIA PUBLIC LIBRARY
Library 18.4 mi away 346 DUQUESNE AVE, PATAGONIA, AZ, 85624
(520) 394-2010
NOGALES - ROCHLIN PUBLIC LIBRARY
Library 20.5 mi away 518 N GRAND AVE, NOGALES, AZ, 85621
(520) 285-5717
SONOITA LIBRARY
Library 23.5 mi away 3147 STATE HWY 83, SONOITA, AZ, 85637
(520) 455-5517
SAHUARITA BRANCH LIBRARY
Library 23.7 mi away 670 W SAHUARITA RD, SAHUARITA, AZ, 85629
(520) 594-5490
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at TUMACACORI NM, AZ US, located 3.7 miles from ZCTA5 85646. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 63.3° 32.0° 47.7° 1.15" 0.1"
February 65.7° 33.8° 49.7° 1.07" 0.0"
March 71.8° 38.0° 54.9° 0.81" 0.0"
April 78.2° 42.5° 60.4° 0.31" 0.0"
May 86.0° 49.1° 67.6° 0.17" 0.0"
June 95.1° 59.0° 77.1° 0.47" 0.0"
July 93.4° 66.8° 80.1° 3.79" 0.0"
August 91.2° 65.8° 78.5° 3.35" 0.0"
September 88.5° 59.8° 74.1° 1.83" 0.0"
October 81.1° 47.9° 64.5° 1.09" 0.0"
November 71.3° 38.2° 54.7° 0.89" 0.0"
December 62.7° 31.8° 47.2° 1.02" 0.0"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Tubac CDP CDP 0.8 mi —
Tumacacori-Carmen CDP CDP 3.5 mi —
Amado CDP CDP 5.3 mi —
Arivaca Junction CDP CDP 8.3 mi —
Rio Rico CDP CDP 9.3 mi —
Elephant Head CDP CDP 10.7 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 85646. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.