San Tan Valley, Arizona
San Tan Valley, Arizona | |
|---|---|
Location in Pinal County and Arizona | |
San Tan Valley San Tan Valley | |
| Coordinates: 33°10′13″N 111°34′20″W / 33.17028°N 111.57222°W | |
| Country | United States |
| State | Arizona |
| County | Pinal |
| Incorporation | September 17, 2025 |
| Area | |
• Total | 75.79 sq mi (196.30 km2) |
| • Land | 75.79 sq mi (196.30 km2) |
| • Water | 0 sq mi (0.00 km2) |
| Elevation | 1,493 ft (455 m) |
| Population (2020) | |
• Total | 99,894 |
• Estimate (2022) | 103,000 |
| • Density | 1,359/sq mi (524.7/km2) |
| Time zone | UTC–7 (Mountain (MST) (no DST)) |
| ZIP Codes | 85140, 85142, 85143, 85144 |
| Area code | 480 |
| FIPS code | 04-64210 |
| GNIS feature ID | 2629370 |
| Sales tax | 6.7% |
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.