US ZIP Code
85140

San Tan Valley, AZ

Pinal County  ·  Arizona

● Active
👥 51,078 Population ↑ 8% since 2019
💰 $98,668 Median HH Income
▲ 29% above avg ↑ 37% since 2019
🎂 34.7 Median Age ↑ 5% since 2019
🏠 $411,800 Median Home Value
▲ 48% above avg ↑ 86% since 2019
🎓 41.6% College Grads
≈ Avg
📊 4.3% Unemployment
▼ 13% below avg ↓ 16% since 2019
ZIP Code Details
ZIP Code85140
CitySan Tan Valley
StateArizona (AZ)
CountyPinal County
Area Code480/520
Elevation1,529 ft
Latitude33.248065
Longitude-111.489238
TimezonePhoenix
FIPS04021
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 50.0% (25,513) Female 50.1% (25,565) ♀

Race & Ethnicity

White: 67.2%Hispanic: 20.4%Black: 3.8%Asian: 1.9%Other: 3%Race
White67.2%
Hispanic20.4%
Black3.8%
Asian1.9%
Other3.0%

Age Breakdown

Under 5
6%
5–17
24%
18–24
8%
25–44
29%
45–64
20%
65+
7%

Key Indicators

Median Age34.7 yrs ↑ 5% since 2019
Avg Household Size3.13
Below Poverty7.1% ▼ 29% below avg
College Grads41.6% ≈ Avg
Unemployment4.3% ▼ 13% below avg
No HS Diploma620 (2%)
HS Graduate8,046 (25.9%)
Some College3,640 (11.7%)
Associates5,853 (18.8%)
Bachelors3,708 (11.9%)
Graduate Degree9,199 (29.6%)

Education

No HS: 2%HS Grad: 25.9%Some College: 11.7%Associates: 18.8%Bachelors: 11.9%Graduate: 29.6%Edu
No HS2.0%
HS Grad25.9%
Some College11.7%
Associates18.8%
Bachelors11.9%
Graduate29.6%
Housing & Income

Housing Tenure

Owner: 84.1%Renter: 15.9%Tenure
Owner84.1%
Renter15.9%

Home Value Distribution

Under $50k
4%
$50k–100k
2%
$100k–150k
1%
$150k–200k
1%
$200k–300k
16%
$300k–500k
50%
Over $500k
26%

Financials

Median HH Income$98,668 ▲ 29% above avg ↑ 37% since 2019
Median Home Value$411,800 ▲ 48% above avg ↑ 86% since 2019
Home/Income Ratio4.2x (nat avg ~3.5x)
Median Rent$1,883/mo ↑ 38% since 2019
Total Units17,349
Vacant Units1,009
Avg HH Size3.13

Income Distribution

Under $25k
5%
$25k–50k
10%
$50k–75k
16%
$75k–100k
19%
$100k–150k
28%
$150k–200k
9%
Over $200k
13%
Employment & Commute

How People Get to Work

Drove Alone
80%
Public Transit
0%
Walked
1%
Work From Home
18%

Commute Time

Under 15 min
10%
15–30 min
20%
30–45 min
31%
Over 45 min
39%
Housing Stock

Year Built

1940s–1950s
1%
1960s–1970s
2%
1980s–1990s
27%
2000+
70%

Summary

Total Units17,349
Vacant1,009
Owner Occupied84.1%
Renter Occupied15.9%
Avg HH Size3.13
Frequently Asked Questions
ZIP code 85140 is in San Tan Valley, AZ, in Pinal County.
ZIP code 85140 is located in Arizona (AZ).
ZIP code 85140 is in Pinal County, AZ.
ZIP 85140 observes the Phoenix timezone.
The estimated population of ZIP code 85140 is 51,078 people (ACS 2023).
The median household income in ZIP code 85140 is $98,668 (ACS 2023).
The median home value in ZIP 85140 is $411,800 (ACS 2023).
About ZIP Code 85140

ZIP code 85140 is located in San Tan Valley, Arizona, within Pinal County. With a population of 51,078, this is a highly populated ZIP code with a relatively young community — the median age is 34.7 years. Economically, 85140 is a middle-income ZIP code: the median household income of $98,668 is above the national average.

Real estate in ZIP code 85140 represents a premium housing market. The median home value of $411,800 is above the national average. Renters can expect to pay around $1,883 per month in median rent. Homeownership is strong here — 84.1% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 86% since 2019.

The population of 85140 is majority White (67.21%). Residents are well-educated — 41.6% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 7.1%. Household income has grown by 37% since 2019.

The unemployment rate in 85140 stands at 4.3%, which is near the national average. About 17% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 73%.

Overall, ZIP code 85140 in San Tan Valley, AZ is characterized as middle-income, well-educated, a relatively young community, and predominantly owner-occupied. With 51,078 residents, a median household income of $98,668, and a median home value of $411,800, it offers a clear picture of life in this part of Arizona.