ZIP code · San Tan Valley · Arizona · United States
ZIP code 85143 — San Tan Valley
ZIP code 85143 serves San Tan Valley, Arizona.
- Postal code
- 85143Single source Value from one source, not cross-checked.
- City
- San Tan Valley
- County
- Pinal FIPS 04021
- State
- Arizona
- Country
- United States
- Coordinates
- 33.1911, -111.5280 — precision precise (locality)
View on OpenStreetMap - Population
- 41,517 (ZCTA, ACS 5-year)
- Population density
- 1,328 / sq mi
- Land area
- 31.3 sq mi (81 km²) (ZCTA, ACS 5-year)
- Median household income
- $89,501
- Per-capita income
- $34,612
- Median age
- 37.5
- Households
- 13,845
- Housing units
- 15,636
- Median home value
- $350,800
- Median gross rent
- $1,823 / month
- Congressional districts
- AZ-5 (also AZ-2) (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)
- Area code
- 520 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 85143 with another ZIP · ZIPs within 25 miles · distance from 85143
Map of ZIP code 85143
Climate — monthly normals
Warmest month Jul (avg high 104°F), coldest Dec (avg low 39°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 66 | 70 | 77 | 85 | 93 | 103 | 104 | 103 | 98 | 87 | 74 | 64 |
| Avg low °F | 41 | 43 | 48 | 53 | 62 | 71 | 79 | 78 | 72 | 59 | 47 | 39 |
NOAA 1991–2020 climate normals from the nearest station: CHANDLER HEIGHTS (8.9 mi) · NOAA NCEI
Places in ZIP 85143
- 7 schools
- 6 hospitals & clinics
- 8 doctors & dentists
- 3 pharmacies
- 3 supermarkets
- 37 restaurants & cafés
- 1 bars & pubs
- 31 parks
- 9 playgrounds
- 4 gyms & sports centres
- 3 post offices
- 5 places of worship
- 3 banks
- 3 gas stations
- 1 EV charging 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