PlainZIP

San Tan Valley, AZ · standard

ZIP Code 85140

Pinal County, Arizona - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

36,711
423/sq mi
$101,477
Median income
$445,000
Median home value
30.1%
Bachelor's or higher

The verdict

San Tan Valley pairs an upper-quartile household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 18%
household income, US ZIPs
Top 17%
home value, US ZIPs
423
people per sq mi
86%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 85140 against every reporting US ZIP.

ZIP code 85140 is a densely settled ZIP (a standard USPS delivery area) in San Tan Valley, Pinal County, Arizona, with 36,711 residents across 86.8 square miles, a density of 423 people per square mile, in the Phoenix time zone.

ZIP 85140 lands in the middle-income range, with a median household income of $101,477 (40% above the Arizona average), while per-capita income is $41,200. The poverty rate stands at 7.5% and the unemployment rate at 4.4%. Housing costs here run $445,000 for a typical home value (32% above the state average), with rent averaging $2,062 a month; 85.8% of homes are owner-occupied.

A solid share of residents have a four-year degree: 30.1% of adults hold a bachelor's degree or higher, the median age is 34.6, and the average commute is 37 minutes. A geography-based comparison follows: 4 ZIP codes within about 10 miles of 85140, plus 6 more within Pinal County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 85140

Top 5 sectors by establishment count in San Tan Valley, AZ

Which industries have the most business establishments in ZIP 85140.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 85140, San Tan Valley, AZ · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

36,711

Population

86.8

Area (sq mi)

423

People / sq mi

Phoenix

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 85140?

34.6

Median Age

50.4%

Male

49.6%

Female

5.9%

Foreign-Born

White 74.1%
African American 4.2%
Asian 1.9%
American Indian or Alaska Native 1.8%
Native Hawaiian or Pacific Islander 0.5%
Two or More Ethnicities 10.6%
Hispanic or Latino 22.9%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$101,477

Median Household Income

+40% vs state

$41,200

Per Capita Income

7.5%

Poverty Rate

4.4%

Unemployment Rate

36.8 min

Mean Commute Time

How ZIP 85140 ranks nationally

San Tan Valley, AZ household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$101,477 Top 18% higher than 82% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 57.1%
Bachelor's Degree or Higher 30.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

17,208

Total Housing Units

16,120

Occupied Units

1,088

Vacant Units

3.18

Avg Household Size

Occupancy Type

Owner 85.8%
Renter 14.2%

$445,000

Median Home Value

+32% vs state

$2,062

Median Rent

2008

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+8.7%

YoY Change (2024)

385

HPI Index (2000 = 100)

+285%

Total Change Since 2000

Home values in ZIP 85140 have increased 8.7% over the past year (2024). Since 2000, this ZIP has seen +285% cumulative appreciation.

Year Annual Change HPI Index
2020 +6.2% 238
2021 +22.3% 291
2022 +22.4% 356
2023 -0.6% 354
2024 +8.7% 385

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 532 business establishments in ZIP 85140, employing approximately 4,452 people with a combined annual payroll of $213,627,000.

532

Businesses

4,452

Employees

$213.6M

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Construction 103 19.4%
Health care and social assistance 74 13.9%
Professional, scientific, and technical services 61 11.5%
Administrative and support and waste management and remediation services 58 10.9%
Other services (except public administration) 43 8.1%
Retail trade 41 7.7%
Real estate and rental and leasing 34 6.4%
Accommodation and food services 34 6.4%
Finance and insurance 22 4.1%
Wholesale trade 16 3.0%
Transportation and warehousing 9 1.7%
Arts, entertainment, and recreation 9 1.7%
Information 7 1.3%
Manufacturing 6 1.1%
Educational services 6 1.1%
Mining, quarrying, and oil and gas extraction 4 0.8%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 85140 vs 85143 →

ZIP 85140 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 85140 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 85140 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 85140 ranks #3 of 5 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
85143 San Tan Valley, AZ 35,015 6.1 mi
85142 Queen Creek, AZ 48,870 6.3 mi
85212 Mesa, AZ 24,492 7.5 mi
85209 Mesa, AZ 37,377 10.7 mi

More ZIP Codes in Pinal County

85122 standard
Casa Grande, AZ
Pop: 50,942
85143 standard
San Tan Valley, AZ
Pop: 35,015
85138 standard
Maricopa, AZ
Pop: 33,633
85132 standard
Florence, AZ
Pop: 33,556
85120 standard
Apache Junction, AZ
Pop: 28,168
85119 standard
Apache Junction, AZ
Pop: 21,219

Related Areas

Pinal County San Tan Valley, AZ Arizona

Frequently Asked Questions

What county is ZIP code 85140 in? ▼
ZIP code 85140 (San Tan Valley) is located in Pinal County, Arizona. Pinal County contains multiple ZIP codes, see the full list at /counties/pinal-az.
What is the population of ZIP code 85140? ▼
ZIP code 85140 in San Tan Valley, AZ has a population of 36,711 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 85140? ▼
The median household income in ZIP 85140 is $101,477, which is 33% above the national average of $76,288.
What is the average home value in ZIP 85140? ▼
The median home value in ZIP 85140 is $445,000, which is 60% above the national average of $278,155.
What is the demographic makeup of ZIP 85140? ▼
The largest racial group in ZIP 85140 is White at 74.1%. Hispanic or Latino residents make up 22.9% of the population.
How many businesses are in ZIP code 85140? ▼
ZIP code 85140 has 532 business establishments employing approximately 4,452 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 85140? ▼
The top industries by establishment count in ZIP 85140 are: Construction (103), Health care and social assistance (74), Professional, scientific, and technical services (61). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 85140? ▼
According to the FHFA House Price Index, home values in ZIP 85140 increased by 8.7% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 285%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 85140? ▼
In ZIP code 85140, 57.1% of residents aged 25+ have a high school diploma or higher, and 30.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 85140? ▼
The mean commute time for workers in ZIP code 85140 is 36.8 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 85140? ▼
In ZIP code 85140, approximately 85.8% of occupied housing units are owner-occupied and 14.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 85140? ▼
The poverty rate in ZIP code 85140 is 7.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.