ZIP Code 85140
About San Tan Valley
San Tan Valley is a town in northern Pinal County, Arizona, United States. The population was 99,894 at the 2020 census. Proposition 495, a measure to incorporate San Tan Valley as a municipality, passed in 2025. It is one of the most recently incorporated cities in the country.
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Area Profile
US Census (ACS 5-year · Gazetteer)
51,078
population
$98,668
median household income
620
people / sq mi
$411,800
median home value
$1,883
median gross rent
34.7
median age
17,349
housing units
16,340
households
82.4
land area (sq mi)
Points of interest
- grocery
- coffee
- gas
- pharmacy
- fast_food
- bank
- gym
Brands
- McDonald's (2)
- Shell (2)
- Starbucks (2)
- Burger King (1)
- Chase (1)
- Chevron (1)
- Chipotle (1)
- Circle K (1)
- Culver's (1)
- Dairy Queen (1)
- Dunkin' (1)
- Dutch Bros. (1)