San Tan Valley ZIP codes, Arizona
San Tan Valley, AZ has 3 ZIP codes (85140, 85143 and 85144) and area code 520. The largest is 85140.
- USPS city name
- 3 ZIP codes
- Overlapping the city
- 1 more
- Population
- 109,189
- Area code
- 520
- County
- Pinal County
- State
- Arizona
NANPA lists no telephone rate centre for San Tan Valley itself, so these are the area codes of the nearest one, Blackwater (12.5 miles). A town on an area-code boundary can differ from its neighbour.
Mail addressed to San Tan Valley uses the ZIP codes above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.
San Tan Valley in numbers
About 109,189 people live in San Tan Valley, in 34,083 households, the 11th-largest of Arizona's 441 census places. The median household income is $96,713 a year, 21% above the Arizona median of $79,964 (US: $80,734). The median owner-occupied home is valued at $410,100 (4% above the Arizona median), and median gross rent is $2,085 a month. The median age is 34.9; 23.9% of adults 25 and over hold a bachelor's degree or higher (33.3% across Arizona); the average commute takes 36 minutes.
| Population | 109,189 |
|---|---|
| Households | 34,083 |
| Median age | 34.9 |
| Median household income | $96,713 |
| Median home value | $410,100 |
| Median gross rent | $2,085 |
| Bachelor's degree or higher | 23.9% |
| Mean commute | 36.4 min |
| Population density | 1,441 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place San Tan Valley CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as San Tan Valley
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
85140 | San Tan Valley , AZ | Standard | 51,260 | $101,477 | $445,000 |
85143 | San Tan Valley , AZ | Standard | 44,444 | $93,707 | $389,200 |
85144 | San Tan Valley , AZ | No street area | — | — | — |
Other ZIP codes overlapping San Tan Valley
These ZIP codes cover part of San Tan Valley but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
85142 | Queen Creek , AZ | Standard | 93,700 | $129,367 | $593,500 |
Map of San Tan Valley ZIP codes
The ZIP codes of San Tan Valley, AZ, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near San Tan Valley
The nearest larger towns are Gilbert (280,262 people, 14 mi), Mesa (511,764 people, 18 mi) and Chandler (280,136 people, 18 mi).
| Town | Population | Distance |
|---|---|---|
| Queen Creek | 71,867 | 5.1 mi |
| Florence | 25,570 | 11.5 mi |
| Sacaton | 3,429 | 13.5 mi |
| Gilbert | 280,262 | 13.8 mi |
| Apache Junction | 41,058 | 14.2 mi |
| Gold Canyon | 13,107 | 15.1 mi |
| Coolidge | 16,636 | 17.1 mi |
| Mesa | 511,764 | 17.7 mi |
| Sun Lakes | 13,924 | 17.9 mi |
| Chandler | 280,136 | 18.2 mi |
| Casa Grande | 60,905 | 22.1 mi |
| Tempe | 188,065 | 25.8 mi |
| Superior | 2,535 | 26.2 mi |
| Guadalupe | 5,272 | 26.5 mi |
More nearby: every ZIP code in Pinal County · Arizona ZIP codes
Cite this page
zipcodes.pro. “San Tan Valley, AZ ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/az/san-tan-valley
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