Why is a community in Pima County, Arizona, home to about 52 people across 9.0 square miles. It has no ZIP code of its own: it’s part of 85321.
Homes sold for a median of $135 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Ajo; part is in Why
Each card is that ZIP code’s whole market, including any part outside Why. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Why’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Phoenix Sky Harbor International Airport (PHX)91 miles away |
|---|---|
| Nearest city of 250,000+ | Chandler, AZ86 miles away |
| Nearest city of 1 million+ | Phoenix, AZ98 miles away |
Straight-line distances from the center of Why; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
It’s the 415th largest of 441 towns in Arizona by population.
Pima County grew from 14,689 residents in 1900 to 1,043,433 in 2020.
Pima County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 104°F in summer, and winter lows average 43°F. About 7 inches of rain and melted snow fall in a typical year, with about 0 inches of snow.
Source: NOAA 1991–2020 climate normals, Ajo, AZ weather station (15 miles away).
341,481 jobs at 21,381 businesses in Pima County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
17 doctors and other health care providers list an office in Why.
Nearest hospitals
Providers with an office here
| Primary care doctors | 3 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 1 |
| Nurse practitioners and physician assistants | 6 |
| Mental health providers | 4 |
| Physical and occupational therapists | 1 |
| Optometrists | 1 |
| Pharmacies | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Public schools here are run by Ajo Unified District (4409), Pima County JTED (89380). Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Ajo Elementary SchoolAjo | Pre-K–8 | 258 | Public | 15.6 mi |
| Ajo High SchoolAjo | 9–12 | 139 | Public | 15.6 mi |
| PCJTED - Ajo High SchoolAjo | 9–12 | — | Career and Technical | 15.6 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Ajo, Ventana, Charco and Kaka.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.