San Tan Valley is a larger medium-sized town located in the state of Arizona. With a population of 99,894 people and 18 associated neighborhoods, San Tan Valley is the 11th largest community in Arizona. Much of the housing stock in San Tan Valley was built relatively recently. The construction of new real estate can often be taken as an indication that the local San Tan Valley economy is robust, and that jobs or other amenities are attracting an influx of new residents. This seems to be the case in San Tan Valley, where the median household income is $88,466.00.

Also of interest is that San Tan Valley has more people living here who work in computers and math than 95% of the places in the US.

Telecommuters are a relatively large percentage of the workforce: 13.47% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

One downside of living in San Tan Valley is that it can take a long time to commute to work. In San Tan Valley, the average commute to work is 36.73 minutes, which is quite a bit higher than the national average.

San Tan Valley is a decent-sized town, yet no one gets to work using public transit, because the town has no real transit system.

The population of San Tan Valley overall has a level of education that is slightly above the US average for all US cities and towns of 21.84%. Of adults 25 and older in San Tan Valley, 22.01% have at least a bachelor's degree.

The per capita income in San Tan Valley in 2022 was $33,019, which is upper middle income relative to Arizona, and middle income relative to the rest of the US. This equates to an annual income of $132,076 for a family of four. However, San Tan Valley contains both very wealthy and poor people as well.

San Tan Valley is an extremely ethnically-diverse town. The people who call San Tan Valley home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of San Tan Valley residents report their race to be White, followed by Black or African-American. San Tan Valley also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 26.43% of the town’s residents. Important ancestries of people in San Tan Valley include German, Irish, English, Italian, and French.

The most common language spoken in San Tan Valley is English. Other important languages spoken here include Spanish and Pacific Island languages.