City · United States
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.
Good to know
- Population: 81,321.
- Founded: 2009.
- Area: 36.7 sq km.
- Elevation: 462 m.
- Timezone: America/Phoenix.
