Zip lookup · AZ

85321
Ajo, Arizona.

Ajo, Pima County, AZ · Tucson, AZ metro · population 3,555

What it costs per month · 85321 $633/mo

to buy the typical home at today's mortgage rate — +$340 (+116%) since Jan 2020.

What the home itself did
1 year
Down $3,751 -3%
$124,292$120,541 since Sep 2025
5 years
Up $22,099 +22%
$98,442$120,541 since Sep 2021

Monthly payment to buy the typical home

Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.

$500 $1,000 $1,500 $2,000 2002 2006 2010 2014 2018 2022 2026 85321 $633 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • 85321$633
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 17 years.

Typical home values in zip 85321 fell 3.0% over the past year — slower than the nation's +1.2%.

This zip spans 2 counties: Pima County, AZ 89% · Maricopa County, AZ 11%

Zillow also publishes an index for the city itself: Ajo, AZ — measured over the city limits, which is a different area from this zip.

Typical home value $120,541 as of Sep 2026
-3.0%year on year

Typical home value — 85321

Mid-tier homes, smoothed and seasonally adjusted.

$100,000 $200,000 $300,000 2018 2020 2022 2024 2026 85321 $120,541 Tucson $335,747 United States $366,157
$100,000 $200,000 $300,000 2018 2022 2026
  • 85321$120,541
  • Tucson$335,747
  • United States$366,157

Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.