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ZIP Code 85621, Arizona

ZIP Code 85621 profile, demographic data, and geographic information.

ZCTA5 85621 is a 5-digit ZIP Code area located in Santa Cruz County, Arizona. As of official census estimates, it has a reported population of 21,593. The land area covers 284.93 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 21,593 ±423 2020-2024 / Census ACS 5-Year 2024
Median Age 36.6 yrs ±1.3 2020-2024 / Census ACS 5-Year 2024
Total Households 7,186 ±403 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 8,218 ±395
Occupied Housing Units 7,186 ±403
Vacant Housing Units 1,032 ±252
Median Home Value $193,200 ±$26,105
Median Gross Rent $745 ±$48
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $43,464 ±$3,201
Per Capita Income $22,016 ±$1,811
Poverty Rate 27.3% ±4.8%
Population Below Poverty Level 5,863 ±1,032
Unemployment Rate 15% ±3.2%
Civilian Labor Force, Employed 8,168 ±544
Broadband Internet Rate 84.4% ±2.7%
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 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby KG-05 NOGALES, AZ
Career and Technical School Nearby 09-12 PATAGONIA, AZ
Regular School Nearby PK-08 RIO RICO, AZ
Regular School Nearby KG-05 NOGALES, AZ
Regular School Nearby 06-08 RIO RICO, AZ
Regular School Nearby KG-05 NOGALES, AZ
Regular School Nearby 06-08 Nogales, AZ
Alternative School Nearby 07-12 NOGALES, AZ
Regular School Nearby KG-05 NOGALES, AZ
Regular School Nearby PK-05 NOGALES, AZ
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 5 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
NOGALES - ROCHLIN PUBLIC LIBRARY
Library 3.9 mi away 518 N GRAND AVE, NOGALES, AZ, 85621
(520) 285-5717
RIO RICO LIBRARY
Library 7.6 mi away 275 RIO RICO DR, RIO RICO, AZ, 85648
(520) 281-8067
PATAGONIA PUBLIC LIBRARY
Library 13.5 mi away 346 DUQUESNE AVE, PATAGONIA, AZ, 85624
(520) 394-2010
TUBAC LIBRARY
Library 18.0 mi away 50 BRIDGE RD, TUBAC, AZ, 85640
(520) 398-9814
SONOITA LIBRARY
Library 24.6 mi away 3147 STATE HWY 83, SONOITA, AZ, 85637
(520) 455-5517
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 NOGALES INTL AP, AZ US, located 3.9 miles from ZCTA5 85621. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 65.8° 34.1° 50.0° 0.84" —
February 67.6° 35.9° 51.7° 0.78" —
March 73.3° 40.3° 56.8° 0.63" —
April 79.4° 44.4° 61.9° 0.28" —
May 87.7° 52.1° 69.9° 0.15" —
June 96.9° 62.4° 79.6° 0.54" —
July 94.1° 66.9° 80.5° 4.18" —
August 92.2° 65.6° 78.9° 3.41" —
September 90.3° 60.5° 75.4° 1.53" —
October 83.1° 49.5° 66.3° 0.65" —
November 73.3° 40.1° 56.7° 0.62" —
December 64.9° 33.9° 49.4° 1.01" —
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
Beyerville CDP CDP 1.5 mi —
Nogales city City 2.7 mi —
Kino Springs CDP CDP 5.6 mi —
Rio Rico CDP CDP 9.2 mi —
Patagonia town Town 14.1 mi —
Tumacacori-Carmen CDP CDP 15.4 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 85621. • 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.