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ZIP Code 85142
San Tan Valley, AZ, Maricopa County
Population
93,700
Land area
101.3sq mi
People per sq mi
925
City
San Tan Valley
ZIP 85142 and nearby ZIP codes
ZIP 85142 at a glance
- ZIP 85142 (San Tan Valley) is about 14 times as dense as Arizona as a whole.
- The median household income is $129,367, 62% above the Arizona median of $79,964.
- A typical owner-occupied home is valued at $593,500 (50% above Arizona) and median rent is $2,187 a month.
Local data for ZIP 85142
Counts from official public data
Housing and community stats
ZIP 85142, American Community Survey 2020-2024
Median household income
$129,367
Poverty rate
5.6%
Median home value
$593,500
Prices +2.3% in a year
Median rent
$2,187/mo
Homeownership
88.2%
Bachelor's or higher
38.2%
Median age
35.5
Average commute
31.9 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
1,733
ZIP Business Patterns 2023
Employees
15,299
$603M annual payroll
PPP loans
$71M
1,539 loans
Campaign donations
$339K
14% D, 36% R, 2026 cycle
Environment and hazard risk
ZIP 85142, from FEMA, NOAA and EPA
Natural hazard risk
Very High
Top: heat wave
Storm events since 1996
3,872
Countywide, mostly thunderstorm wind
Flood insurance policies
8,889
0.6% of homes, county
July high / Jan low
104° / 41°F
Health statistics
Share of adults in ZIP 85142, CDC PLACES estimates
Obesity
31.2%
U.S. 33.3% -2.1 pts
Diabetes
8.6%
U.S. 12.1% -3.5 pts
Smoking
10.2%
U.S. 12.8% -2.6 pts
Uninsured (18-64)
8.8%
U.S. 11.1% -2.3 pts
Frequently asked questions
- What city is ZIP code 85142?
- ZIP code 85142 is in San Tan Valley, AZ (Maricopa County).
- What county is ZIP code 85142 in?
- ZIP code 85142 is mostly in Maricopa County, Arizona.
- How many people live in ZIP code 85142?
- About 93,700 people live in the 85142 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.