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Zip Code 85138 — Maricopa, AZ

85138 is a ZIP Code associated with Maricopa, AZ, located within Pinal. The postal region supports an estimated population of 55,260 residents across Data Pending housing units, with a population density of 251.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (33.015100, -111.986810)

Data MetricLocal Statistic
Postal / Zip Code85138
Primary CityMaricopa
State / ProvinceAZ
CountyPinal
Total Population55,260
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density251.8 people/sq mi
TimezoneAmerica/Phoenix

How 85138 Compares

MetricZIP 85138Pinal CountyAZ State Average
Population55,260562,8377,380,680
Median IncomeData PendingN/AN/A
Population Density251.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 85172Stanfield8.2 mi1,688N/A
Zip 85121Bapchule9.5 mi2,800N/A
Zip 85139Maricopa14.5 mi20,784N/A
Zip 85122Casa Grande15.4 mi61,624N/A
Zip 85248Chandler15.4 mi37,095N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →