LatestCoverageAll 50 states, D.C. and five territories now on the ledger|NewPuerto Rico's 78 municipios ledgered, municipio by municipio|FeatureAssessment appeal workspace — build a filing package from your own evidence|FeatureLiving reports — versioned, re-runnable, exportable|DevelopersMetered REST gateway · issued keys · signed webhooks|Live market readings · refreshed on loadAlbuquerque · NMMedian List$360K+2.5%|Austin · TXMedian List$550K-1.0%|Baltimore · MDMedian List$225K-6.3%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$430K-0.1%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.6%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$569K+1.6%|Detroit · MIMedian List$105K-2.8%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$332K-2.1%|Franklin County · OHMedian List$320K+3.2%|Fresno · CAMedian List$375K+2.1%|Harris County · TXMedian List$327K+0.6%|Houston · TXMedian List$340K+0.6%|Indianapolis · INMedian List$260K+2.3%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$309K-2.1%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$240K+4.3%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$275K0.0%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$202K+2.5%|Mesa · AZMedian List$450K-3.1%|Milwaukee · WIMedian List$243K+5.7%|Multnomah County · ORMedian List$518K-1.2%|Nashville · TNMedian List$480K+1.0%|New York · NYMedian List$899K+0.5%|Oklahoma City · OKMedian List$275K-0.6%|Oklahoma County · OKMedian List$259K-0.7%|Philadelphia · PAMedian List$249K+0.3%|Phoenix · AZMedian List$480K0.0%|Pima County · AZMedian List$373K+0.9%|Portland · ORMedian List$640K-6.0%|Sacramento · CAMedian List$510K+4.0%|San Antonio · TXMedian List$236K-1.2%|San Diego · CAMedian List$994K+4.2%|San Francisco · CAMedian List$1.4M+1.7%|San Jose · CAMedian List$1.3M-11.9%|Santa Clara County · CAMedian List$1.3M+0.1%|Seattle · WAMedian List$874K-2.8%|Shelby County · TNMedian List$259K-2.4%|Suffolk County · MAMedian List$857K+7.3%|Tarrant County · TXMedian List$385K-1.2%|Travis County · TXMedian List$497K-5.3%|Tucson · AZMedian List$324K-0.9%|Wayne County · MIMedian List$160K0.0%|LatestCoverageAll 50 states, D.C. and five territories now on the ledger|NewPuerto Rico's 78 municipios ledgered, municipio by municipio|FeatureAssessment appeal workspace — build a filing package from your own evidence|FeatureLiving reports — versioned, re-runnable, exportable|DevelopersMetered REST gateway · issued keys · signed webhooks|Live market readings · refreshed on loadAlbuquerque · NMMedian List$360K+2.5%|Austin · TXMedian List$550K-1.0%|Baltimore · MDMedian List$225K-6.3%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$430K-0.1%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.6%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$569K+1.6%|Detroit · MIMedian List$105K-2.8%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$332K-2.1%|Franklin County · OHMedian List$320K+3.2%|Fresno · CAMedian List$375K+2.1%|Harris County · TXMedian List$327K+0.6%|Houston · TXMedian List$340K+0.6%|Indianapolis · INMedian List$260K+2.3%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$309K-2.1%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$240K+4.3%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$275K0.0%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$202K+2.5%|Mesa · AZMedian List$450K-3.1%|Milwaukee · WIMedian List$243K+5.7%|Multnomah County · ORMedian List$518K-1.2%|Nashville · TNMedian List$480K+1.0%|New York · NYMedian List$899K+0.5%|Oklahoma City · OKMedian List$275K-0.6%|Oklahoma County · OKMedian List$259K-0.7%|Philadelphia · PAMedian List$249K+0.3%|Phoenix · AZMedian List$480K0.0%|Pima County · AZMedian List$373K+0.9%|Portland · ORMedian List$640K-6.0%|Sacramento · CAMedian List$510K+4.0%|San Antonio · TXMedian List$236K-1.2%|San Diego · CAMedian List$994K+4.2%|San Francisco · CAMedian List$1.4M+1.7%|San Jose · CAMedian List$1.3M-11.9%|Santa Clara County · CAMedian List$1.3M+0.1%|Seattle · WAMedian List$874K-2.8%|Shelby County · TNMedian List$259K-2.4%|Suffolk County · MAMedian List$857K+7.3%|Tarrant County · TXMedian List$385K-1.2%|Travis County · TXMedian List$497K-5.3%|Tucson · AZMedian List$324K-0.9%|Wayne County · MIMedian List$160K0.0%|
Property-class scope

The story of this market

The typical home in ZIP 85321 sells for about $135,000, or $145 per square foot.

Prices are up +3.8% from a year ago, so sellers still have some momentum. Homes take about 88 days to sell, which is slow. HUD's fair market rent for a two-bedroom is $950 a month.

ZIP market report · consumer edition · quarterly refresh
Track this ZIP

ZIP 85321

Pima County →refreshed Sep 25, 2026next refresh Oct 25, 2026
Market mood · neutral

The housing market in 85321 remains stable with low inventory and modest price appreciation. Market activity is driven by local demand and seasonal residents, with limited new construction keeping supply tight. Prices remain highly affordable compared to the broader Arizona market, though long-term growth is constrained by the remote geography.

Who this ZIP fits

This ZIP is best suited for retirees, outdoor enthusiasts, and those seeking affordable, remote desert living, rather than traditional commuters or families requiring proximity to urban amenities.

Parent geography
Aerial view · ZIP boundaries2020 Census ZCTA boundary over current aerial imagery
Leaflet Imagery © Esri, Maxar, Earthstar Geographics
Land area · 3,480.4 km²Water area · 0.2 km²U.S. Census Bureau TIGERweb — 2020 Census ZCTA5 boundary
Median sale price
$135,000
+3.8% year over year
Corroborated · 1 anchor · 0% off nearest
Days on market
88 days
Active listings
61
Listings with price cuts
12%
share of active listings
Sale-to-list ratio
96.5%
of asking price
ZIP Market ScoreZIP-SCORE-1.3 · 4/4 sections graded
56
Composite · average of graded sections
Computed only from this report's published readings — sections without data are excluded, never estimated.
69
Growth/100

Median prices moved up 3.8% year over year.

15
Liquidity/100

Homes spend a median of 88 days on market with 15.2 months of supply — a slower-moving market.

69
Momentum/100

12% of listings have cut prices · homes sell at 96.5% of asking — demand is running ahead of supply.

70
Safety & stability/100

no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 6.8% · poverty 15.2% — a mixed stability profile.

Median price · ten-year history

Researched annual trajectory for this ZIP, from published historical series

2015201620172018201920202021202220232024202520272029$70,000$105,000$140,000$175,000$210,000

Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 6.7%/yr trend — a deterministic estimate, not a published forecast or guarantee.

Property tax · ten-year history

Median annual property tax paid on this ZIP's residential parcels

2015201620172018201920202021202220232024202520272029$600$750$900$1,050$1,200

Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 3.7%/yr trend — a deterministic estimate, not a published forecast or guarantee.

Census trends · population flowsACS 2019-2023 5-year estimates
Population change
+0.5%

versus the prior ACS vintage

Net migration
+120 people

net influx — more people moved in than out

Population base
3,663

ZCTA 85321, Pima County AZ

Immigration & foreign-bornU.S. Census Bureau ACS · ZIP granular
Foreign-born share
4.5%
Foreign-born residents
161
Naturalized (of foreign-born)
73.9%
Non-citizens (of population)
1.2%
Entered 2010 or later (of foreign-born)
21.1%
World region of birth (foreign-born)
Americas
83.2%
Asia
13%
Oceania
3.7%

ACS 2024 5-year estimates. Aggregate published statistics for this ZIP — never individual records, and never an attribute of any individual property or resident.

Area context
Crime & safety

Crime rates in Ajo are generally low, though property crime remains the primary concern in this remote desert community compared to larger urban centers in Pima County.

Schools & education

The area is served by the Ajo Unified School District, which provides essential K-12 education for the local population in a rural setting.

Environmental & hazard

The region faces significant heat-related risks and is prone to flash flooding during monsoon seasons; property insurance premiums are influenced by these environmental factors.

Growth & development

Economic momentum is largely tied to mining operations and tourism related to Organ Pipe Cactus National Monument, with limited new large-scale infrastructure development.

Taxation

Composed from the ARED governance burden registry — tier-native tax structure (state + county + city + special districts), never averaged. State (Arizona) — Senior Property Valuation Protection Option (Senior Freeze): Provides a 'freeze' on the valuation of the property for tax purposes, limiting the growth of the property tax burden for eligible seniors. State (Arizona) — Arizona Property Tax Assessment: The tax is calculated by applying an assessment ratio to the property's Limited Property Value (LPV). For primary residential property (Class 3), the assessment ratio is 10%. State (Arizona) — Arizona Property Tax Assessment: Property tax is calculated using the formula: (Full Cash Value or Limited Property Value) x Assessment Ratio = Net Assessed Value. The Net Assessed Value is then multiplied by the local tax rate. For primary residential property (Class 3), the assessment ratio is 10%. State (Arizona) — Delinquent Property Tax Lien Sale and 3-Year Redemption Foreclosure: The county treasurer sells a tax lien certificate via public auction to the investor bidding the lowest annual rate of interest (ranging from 16% down to 0% per annum under A.R.S. § 42-18114). State (Arizona) — Statutory Residential Homestead Exemption: Exempts up to $400,000 of equity in an owner-occupied primary dwelling from attachment, execution, and forced sale arising from unsecured civil judgment liens.

Transportation & commute

Commuting is primarily via State Route 85, with residents facing long drive times to reach major employment hubs in the Phoenix or Tucson metropolitan areas.

Recreation & amenities

The area is a gateway to Organ Pipe Cactus National Monument and offers extensive outdoor recreation including hiking, desert exploration, and stargazing.

Rental market

The rental market is characterized by limited inventory and high demand from seasonal workers and retirees, with few multi-family developments.

Economy & employers

The local economy is anchored by mining, government services, and tourism, with a heavy reliance on the nearby national monument and regional transit corridors.

Transportation & infrastructure

Transportation is heavily reliant on private vehicles, with State Route 85 serving as the primary artery connecting the area to the I-8 and I-10 corridors.

Development pipeline

Development is largely restricted by federal land ownership surrounding the town, limiting the pipeline for large-scale residential or commercial projects.

County appraisal district

The Pima County Assessor manages property valuations, utilizing a standard mass-appraisal system for residential parcels.

Special districts

Parcels are subject to Ajo Unified School District taxes and various county-level special service districts for fire and emergency services.

Insurance & hazard market

Property insurance costs are rising due to increased wildfire and heat-related risk assessments in the Sonoran Desert region.

Migration & population flows

Arizona continues to see net positive domestic migration, though rural areas like Ajo experience more stable, slower growth compared to the Phoenix metro.

Foreclosure doctrine

Arizona is primarily a non-judicial foreclosure state, allowing for a streamlined process under the deed of trust statutes.

Disclosure doctrine

Sellers are required to provide a comprehensive Residential Seller's Property Disclosure Statement (SPDS) covering all material facts about the property.

Discovery profileACS 2019-2023 5-year estimates
Census profile · ZCTA 85321, Pima County AZ
Population
3,663
Median age
58.2 yrs
Owner-occupancy
71%
Median home value
$120,800
Median gross rent
$750
Median household income
$52,127
Median year built
1978
Vacancy rate
29.1%
Renter share
29%
Owner cost burden
18.5%
Renter cost burden
32.4%
Population change
+0.5%
Net migration
120
Work-from-home share
8.2%
Mean commute
28.5 min
Bachelor's or higher
19.4%
Unemployment
6.8%
Poverty rate
15.2%
Avg household size
2.1
White
68.5%
Hispanic
24.2%
Other
7.3%

Data retrieved from data.census.gov ZCTA-level tables.

Public schools with an address here · 2

Public schools whose reported address is in this area (NCES). Not attendance boundaries — schools that serve residents may sit outside it. Check the district's address locator for assignment.

Ajo Elementary SchoolElementary3/10Ajo Unified School DistrictServes the primary K-5 population.
Ajo High SchoolHigh4/10Ajo Unified School DistrictThe sole high school serving the Ajo community.
School districts
Ajo Unified School DistrictCSmall rural district serving the entirety of the Ajo area.
Utilities & services
ElectricAjo Improvement CompanyLocal utility provider.
Water/SewerAjo Improvement CompanyProvides water and wastewater services.
InternetCenturyLinkPrimary DSL provider in the area.
Major employers & industries
Ajo Unified School DistrictEducationMajor local employer.
National Park ServiceGovernmentSignificant employer for the region.
Major amenities · ZIP 85321
Family fun & things to do
1 · 13 mi
Museums, galleries & history
1 · 20 mi
Parks, trails & nature
2 · 13 mi

Theme parks, venues, golf, airports, museums, water and shopping across the area from Google Maps, ranked by popularity within the radius shown.

Amenities & attractions2 retained amenities · 1 development on the horizon
Inside this ZIP
Organ Pipe Cactus National Monument
National Park

A major UNESCO biosphere reserve offering hiking and scenic desert landscapes.

Ajo Plaza
Historic District

The historic center of town featuring Spanish Colonial architecture and local shops.

On the horizon · announced & under construction
Ajo Regional Infrastructure UpgradesInfrastructureOngoingPeriodic improvements to local water and road infrastructure to support the rural community.
Sources · 5 cited

Key-figure check: no independent anchor retained yet — first-researched cycles establish the anchor baseline this pass.