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 High-density area
- $101,477
- Median income Above-median income area
- $445,000
- Median home value Above-median home value
- 30.1%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 85140 (San Tan Valley, AZ) rose +8.7% from 2023 to 2024. The all-transactions index moved from 354.4 in 2023 to 385.4 in 2024 (2000 = 100).
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 average Arizona ZIP), while per-capita income is $41,200. The poverty rate is 7.5%, with unemployment at 4.4%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $445,000 (32% above the average Arizona ZIP), while 85.8% of occupied homes are owner-occupied and median rent is $2,062.
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. The page also surfaces 4 ZIP codes within roughly 10 miles and 6 more in Pinal County, so 85140 can be compared with both its immediate and county-level context.
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.
- Construction
Construction
103 establishments
- Health care and social assistance
Health care and social assistance
74 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
61 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
58 establishments
- Other services (except public administration)
Other services (except public administration)
43 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, 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
Who lives in ZIP 85140?
34.6
Median Age
50.4%
Male
49.6%
Female
5.9%
Foreign-Born
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 ZIP avg
$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
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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
17,208housing units
17,208
Total Housing Units
16,120
Occupied Units
1,088
Vacant Units
3.18
Avg Household Size
Occupancy Type
$445,000
Median Home Value
+32% vs state ZIP avg
$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.
- 85142
Queen Creek (85142)
48,870 residents
- 85209
Mesa (85209)
37,377 residents
- 85140
San Tan Valley (85140)
36,711 residents
- 85143
San Tan Valley (85143)
35,015 residents
- 85212
Mesa (85212)
24,492 residents
What this shows Among its immediate neighbors, ZIP 85140 ranks #3 by population - useful context the national average alone can't give.
ZIP 85140 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 85142
Queen Creek (85142)
$129,367 median income
- 85212
Mesa (85212)
$125,902 median income
- 85140
San Tan Valley (85140)
$101,477 median income
- 85143
San Tan Valley (85143)
$93,707 median income
- 85209
Mesa (85209)
$84,432 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 85140, both outside AZ so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (36,711 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Pinal County
Related Areas
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.
Related
Take this with you
What to do with ZIP 85140's numbers, next.
- See how ZIP 85140 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where San Tan Valley, AZ ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.