San Tan Valley
Decide whether to visit or live in San Tan Valley, then explore current conditions, local people, the map, and concise sourced context.
Check visit & living safetyUpdated Wednesday, October 28, 2026 · sourced live layer and versioned editorial content
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Would you visit or live in San Tan Valley?
Choose your plan and circumstances. The result changes immediately using today's advisory, weather, air-quality, and sourced local signals.
Generally suitable with routine precautions
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- No high-severity wording detected in the supplied advisory
- Latest air-quality reading is not elevated
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Climate normals · 2016–2025
When to go: San Tan Valley month by month
Judged purely on 2016–2025 weather records, the friendliest months in San Tan Valley are typically February, March and November, with average daytime highs around 21–25°C. July is usually the warmest month (average high 41°C), January the coldest (average low 6°C), and January the wettest (about 40 mm). These are long-run averages, not a forecast.
| Month | Avg high (°C) | Avg low (°C) | Rain (mm) | Sunshine (h/day) |
|---|---|---|---|---|
| January | 18.3 | 5.8 | 40 | 8.6 |
| February | 21.2 | 7.5 | 34 | 9.7 |
| March | 24.8 | 10.3 | 30 | 10.5 |
| April | 30.3 | 14.6 | 4 | 12.5 |
| May | 34.2 | 19.0 | 2 | 12.9 |
| June | 40.1 | 24.9 | 5 | 13.0 |
| July | 40.5 | 28.1 | 35 | 12.1 |
| August | 39.5 | 27.2 | 36 | 12.1 |
| September | 37.1 | 24.1 | 34 | 11.4 |
| October | 31.7 | 17.6 | 38 | 10.5 |
| November | 24.8 | 11.4 | 25 | 9.4 |
| December | 19.6 | 7.2 | 32 | 8.3 |
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People and places shaping San Tan Valley
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Research updated Friday, October 2, 2026Past and future events in San Tan Valley
Upcoming
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Previously
- Documented history · 2009
To coincide with the addition of a new ZIP Code for the community on July 1, 2009, the United States Postal Service was petitioned to provide the area with a new name.
- Documented history · 2000
The area, which had consisted primarily of undeveloped desert and agriculture prior to 2000, experienced considerable growth in the early part of the decade.
- Documented history · 2004
As early as 2004, attempts to incorporate the area were underway.
- Documented history · 2005
A subsequent effort in 2005 failed to gain traction.
- Proposition 495 Incorporation Election
Residents of San Tan Valley approved incorporation as a town at an election on August 5, 2025.
Sources checked (2)
Interactive geography
See San Tan Valley in context
Keep the deeper context
Stable history, culture, districts, and practical reference remain in the main reading flow while the live layers above continue changing.
01 · ArtsArts and cultural life in San Tan Valley
San Tan Valley is a city situated in northern Pinal County, Arizona, United States. It functions as an incorporated municipality following the passage of Proposition 495 in 2025.
Prior to the year 2000, the local economy and geography consisted primarily of undeveloped desert and agriculture before undergoing considerable growth in the early part of the decade. This rapid development led to the creation of numerous planned communities throughout the area, including Pecan Creek South, San Tan Heights, Archer Meadows, and Johnson Ranch. Early residents frequently relied on mailing addresses in nearby Queen Creek because the locality lacked an official name and a distinct ZIP Code until the United States Postal Service established one on July 1, 2009. Economic and municipal development faced historical hurdles, including boundary disputes and revenue concerns from the neighboring town of Florence.
Today, the local population relies on regional educational institutions such as Poston Butte High School and San Tan Foothills High School under the Florence Unified School District, alongside Combs High School under the J. O. Combs Unified School District. Public transportation services are absent from the city, and emergency infrastructure is managed by the Pinal County Sheriff's Office and Rural Metro Fire. Financial transactions within the economy use the United States Dollar, denoted as USD.
02 · OverviewSan Tan Valley, in brief
San Tan Valley is a town situated in northern Pinal County, Arizona, United States. Operating within the America/Phoenix timezone at an elevation of 462 meters above sea level, the municipality sits at coordinates 33.1911 latitude and -111.528 longitude.
Municipal Growth and Economy
Before the year 2000, the land comprising San Tan Valley consisted primarily of undeveloped desert and agriculture. Early in the decade, the region experienced considerable growth characterized by the establishment of planned communities such as Pecan Creek South, San Tan Heights, Archer Meadows, and Johnson Ranch. Prior to receiving its own designation, residents lacked an official name for the community and relied on Queen Creek for mailing addresses, leading to postal confusion that was addressed when the United States Postal Service assigned a new ZIP Code on July 1, 2009.
Governance and civic development evolved significantly following early blocked incorporation efforts by the neighboring town of Florence. A measure to incorporate San Tan Valley as a municipality, designated as Proposition 495, passed in 2025. Following an election on August 5 where residents approved the measure, the Pinal County government formally declared the town appointed on September 17, 2025, making it one of the most recently incorporated cities in the country.
Demographic figures reflect substantial population expansion over recent decades. At the 2010 census, the population stood at 81,321 residents. By the 2020 census, the population had increased to 99,894 people.
Infrastructure and Services
Public education within the town is managed by local districts equipped with dedicated high schools. The Florence Unified School District operates Poston Butte High School and San Tan Foothills High School, while the J. O. Combs Unified School District operates Combs High School. Emergency and protective services are provided by the Pinal County Sheriff's Office and Rural Metro Fire. Regarding regional mobility, San Tan Valley does not feature any public transportation service.
Frequently Asked Questions about San Tan Valley
Essential geographic, demographic, currency, and travel context verified from primary records.
01 · Q&AWhere is San Tan Valley located and what are its coordinates?
San Tan Valley is situated in United States at geographic coordinates 33.1911, -111.5280, with an elevation of 462 meters above sea level.
02 · Q&AWhat is the population and time zone of San Tan Valley?
San Tan Valley has a recorded population of approximately 81,321 and observes the America/Phoenix time zone.
03 · Q&AWhat languages and currency are used in San Tan Valley?
Official and commonly spoken languages in San Tan Valley include EN-US, ES-US, HAW, French, with USD used for local transactions.
04 · Q&AHow can I check live conditions and daily updates for San Tan Valley?
Today's Atlas provides continuous tracking for San Tan Valley, featuring real-time weather conditions, daylight cycles, local geographic signals, and verified daily briefs.