San Tan Valley is located in Arizona. San Tan Valley, Arizona 85140has a population of 90,665. San Tan Valley 85140 is more family-centric than the surrounding county with 45.13% of the households containing married families with children. The county average for households married with children is 28.54%.
The median household income in San Tan Valley, Arizona 85140 is $62,646. The median household income for the surrounding county is $52,628 compared to the national median of $57,652. The median age of people living in San Tan Valley 85140 is 32.2 years.
The average high temperature in July is 103.8 degrees, with an average low temperature in January of 40.3 degrees. The average rainfall is approximately 10.8 inches per year, with 0 inches of snow per year.