Ajo, AZ 85321 ZIP Code Profile

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Ajo, AZ

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ZIP Code 85321: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Ajo, AZ 85321

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 137
  • Single Family Addresses: 1,586
  • Multi-Family Addresses: 185
  • County: Pima County
  • Centroid: Latitude 32.386, Longitude -112.866
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: No

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


85321 ZIP Code Map

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Ajo, AZ 85321 Data & Demographics (As of July 1, 2017)


Total Population 3,434
Daytime Population: Workers 1,238
Daytime Population: Residents 2,156
Total Daytime Population (TDP) 3,394
Ratio TDP/Total Population1 0.99
Population in Households 3,422
Population in Familes 2,531
Population in Group Qrtrs 12
Population Density2 4
Diversity Index3 72


Median Household Income $35,068
Average Household Income $43,447
Per Capita Income $20,168


Total Housing Units 2,371 (100%)
Owner Occupied HU 1,025 (43.2%)
Renter Occupied HU 559 (23.6%)
Vacant Housing Units 787 (33.2%)
Median Home Value $103,391
Average Home Value $131,049


Total Households 1,584
Average Household Size 2.16
Family Households 901
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.12% 0.06%
Households -0.18% 0.03%
Families -0.42% -0.16%
Median Household Income   1.28%
Per Capita Income   2.84%

Ajo, AZ 85321 - Peer Comparisons by Rank and Percentile

The table below compares 85321 to the other 383 ZIP Codes in Arizona by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 256 33rd
Population Density # 314 18th
Diversity Index # 91 77th
Median Household Income # 296 23rd
Per Capita Income # 253 34th

Additional comparisons and rankings can be made with a VERY EASY TO USE Arizona Census Data Comparison Tool.

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