Population

109,189

US Census ACS 2024 5-year average

Median home value

$410,100

Owner-occupied units

San Tan Valley, AZ

Arizona · 33.179° N, 111.563° W · 76 sq mi

San Tan Valley is a city in Arizona, with a population of 109,189 and about 1,441 residents per square mile. The median household earns $96,713 a year, and the median home is worth $410,100.

Conditions

Humidity & wind

—

UV index

—

Sunrise & sunset

—

Local time

—

Size & density

Land area

76 sq mi

Water excluded

Population density

1,441

People per square mile

Rank by population

#309

Of cities on this site

Rank by area

#133

Of cities on this site

Money & housing

Median household income

$96,713

US median ≈ $78,538

Median gross rent

$2,085

Per month

Homeownership

82.2%

US ≈ 65%

Average commute

36.4 min

One way

People

Median age

34.9

US median 39.1

Bachelor's degree +

23.9%

Age 25 and over

Foreign born

7.8%

Households

34,083

3.2 people each

Climate · 2021–2025 average

Clear days 121^/yr Mostly or fully clear sky

Days with rain 52^/yr 0.01 in or more

Days with snow 1^/yr

Days above 90° 164^/yr

Below freezing 3^/yr

Annual rainfall 14.1ⁱⁿ Inches per year, scaled to 70 in — the rows above count days

Warmest month

July

Average high 105°F

Coldest month

January

Average low 41°F

What people here do for work

Education & health care 20.8^%

Professional & business services 12.5^%

Retail trade 12.2^%

Construction 8.7^%

Top four industries · share of all workers · ACS 2024

Wealthiest person in Arizona

Name

Ernest Garcia II

Forbes, Apr 2025

Net worth

$17.3B

As of 25 Apr 2025 — not live

Lives in

Tempe

Source of wealth

Used cars

Compiled from public reporting, not from an official dataset, and not independently verified.

Largest employer in Arizona · private sector

Employer

Banner Health

Sector

Healthcare

Compiled from public reporting, not from an official dataset, and not independently verified. Government employers are excluded.

Largest public company in Arizona

Company

Freeport-McMoRan

Revenue

$25.5B

Fiscal year 2024

Headquarters

Phoenix

Ticker

FCX

Compiled from public reporting, not from an official dataset, and not independently verified.

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State of Arizona

State bird

Cactus Wren

State flower

Saguaro Blossom

State capital