San Tan Valley is located in Arizona. San Tan Valley, Arizona 85140 has population of 123,689. San Tan Valley 85140 is more family-centric than the surrounding county with 40.5% of the households with children.
The median household income in San Tan Valley, Arizona 85140 is $69,074. The median household income for the surrounding county is $59,977 compared to the national median of $66,222. The median age of people living in San Tan Valley 85140 is 30.7 years.
The average high temperature in July is 103.8 degrees, with an average low temperature in January of 39.2 degrees. The annual precipitation is 9.68.
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