San Tan Valley, AZ ZIP codes
San Tan Valley, Arizona has 3 ZIP codes, including 1 PO Box ZIP. They are in Pinal County.
- Population in these ZIPs
- 95,704
- Avg. median income
- $97,900population-weighted
- Typical home value
- $402,600population-weighted
- Metro area
- Phoenix-Mesa-Chandler, AZ
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San Tan Valley, AZ ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 85140 | Pinal County | 51,260 | $101,477 | $428,000 |
| 85143 | Pinal County | 44,444 | $93,707 | $373,200 |
| 85144 PO Box | Pinal County | — | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near San Tan Valley
- Queen Creek 9 mi
- Apache Junction 12 mi
- Gold Canyon 14 mi
- Sacaton 14 mi
- Valley Farms 15 mi
- Coolidge 16 mi
- Gilbert 16 mi
- Chandler 21 mi
- Mesa 21 mi
- Superior 22 mi
- Bapchule 24 mi
- Florence 25 mi
Frequently asked questions
What is the ZIP code for San Tan Valley, AZ?
What county is San Tan Valley, Arizona in?
San Tan Valley ZIP codes are in Pinal County.
Which San Tan Valley ZIP codes are PO Boxes?
85144 is a PO Box or single-organization ZIP code; it has no residential delivery area.