ZIP code · Mesa · Arizona · United States
ZIP code 85203 — Mesa
ZIP code 85203 serves Mesa, Arizona.
- Postal code
- 85203Single source Value from one source, not cross-checked.
- City
- Mesa
- County
- Maricopa FIPS 04013
- State
- Arizona
- Country
- United States
- Coordinates
- 33.4370, -111.8057 — precision precise (locality)
View on OpenStreetMap - Population
- 37,435 (ZCTA, ACS 5-year)
- Population density
- 4,043 / sq mi
- Land area
- 9.3 sq mi (24 km²) (ZCTA, ACS 5-year)
- Median household income
- $72,851
- Per-capita income
- $35,150
- Median age
- 33.3
- Households
- 13,125
- Housing units
- 14,020
- Median home value
- $388,300
- Median gross rent
- $1,388 / month
- Congressional districts
- AZ-4 (also AZ-1) (119th Congress)
- USDA hardiness zone
- 9b (25 to 30 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Phoenix (UTC−7, no DST)
Tools: compare 85203 with another ZIP · ZIPs within 25 miles · distance from 85203
Map of ZIP code 85203
Climate — monthly normals
Warmest month Jul (avg high 106°F), coldest Dec (avg low 38°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 71 | 74 | 80 | 87 | 95 | 104 | 106 | 105 | 101 | 91 | 79 | 69 |
| Avg low °F | 39 | 41 | 46 | 51 | 59 | 67 | 76 | 75 | 69 | 56 | 45 | 38 |
| Precip in | 1.0 | 1.1 | 1.0 | 0.2 | 0.2 | 0.1 | 1.0 | 1.3 | 0.7 | 0.6 | 0.7 | 0.9 |
NOAA 1991–2020 climate normals from the nearest station: TEMPE ASU (6.7 mi) · NOAA NCEI
Places in ZIP 85203
- 13 schools
- 18 hospitals & clinics
- 13 doctors & dentists
- 6 pharmacies
- 5 supermarkets
- 45 restaurants & cafés
- 47 parks
- 11 playgrounds
- 9 gyms & sports centres
- 1 post offices
- 22 places of worship
- 6 banks
- 7 gas stations
- 3 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page