Home > AZ > Pinal County > San Tan Valley > Zip 85143

Zip Code 85143 — San Tan Valley, AZ

85143 is a ZIP Code associated with San Tan Valley, AZ, located within Pinal. The postal region supports an estimated population of 44,444 residents across Data Pending housing units, with a population density of 548.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (33.156020, -111.519740)

Data MetricLocal Statistic
Postal / Zip Code85143
Primary CitySan Tan Valley
State / ProvinceAZ
CountyPinal
Total Population44,444
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density548.7 people/sq mi
TimezoneAmerica/Phoenix

How 85143 Compares

MetricZIP 85143Pinal CountyAZ State Average
Population44,444562,8377,380,680
Median IncomeData PendingN/AN/A
Population Density548.7 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 85140San Tan Valley6.6 mi51,260N/A
Zip 85142Queen Creek8.9 mi93,700N/A
Zip 85147Sacaton12.4 mi4,911N/A
Zip 85191Valley Farms12.5 mi32N/A
Zip 85212Mesa13.1 mi55,283N/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 →