Zip Code 85203 — Mesa, AZ

ZIP Code 85203 is associated with Mesa, AZ, in Maricopa County. The listed population estimate is 38,035; estimated density is 1,586.1 people per square mile. Among records with population estimates, it ranks #61 of 132 in Maricopa County and #78 of 406 in AZ.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (33.449970, -111.804030)

Data MetricLocal Statistic
Postal / Zip Code85203
Primary CityMesa
State / ProvinceAZ
CountyMaricopa
Total Population38,035
Population Density1,586.1 people/sq mi
TimezoneAmerica/Phoenix

How 85203 Compares

MetricZIP 85203Maricopa County recordsAZ records
Population estimate38,0354,488,680 (sum)7,380,680 (sum)
Population Density1,586.1 /sq mi----
County population rank#61 of 132----
State population rank#78 of 406----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in AZ

ZIP CodeCityDistancePopulation estimate
ZIP 85213Mesa2.0 mi36,836
ZIP 85201Mesa2.8 mi51,400
ZIP 85204Mesa3.8 mi65,155
ZIP 85256Scottsdale3.9 mi3,504
ZIP 85210Mesa4.8 mi39,015

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 →