85143 ZIP Code — San Tan Valley, AZ

Pinal County, Arizona

ZIP code 85143 is located in San Tan Valley, Arizona, within Pinal County. It covers approximately 31.28 square miles and serves a population of 39,622 residents. This is a standard ZIP code in the Mountain (MT) — no DST timezone, served by area code 480/520.

About ZIP code 85143

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $297,700. Owner-occupancy is high at 78%, well above the national average.

Median household income is $85,744. The poverty rate of 6% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 36 minutes suggests many residents work outside the immediate area.

College attainment at 20% is below the national average, consistent with a trades and production-oriented local economy.

39,622
population
31.28
sq mi land
Standard
ZIP type
Mountain (MT) — no DST
timezone
85143 ZIP code map
Cities in ZIP code 85143

Below are the cities the US Postal Service accepts for ZIP code 85143. Using any city not on this list may result in mail delivery delays.

City Status
San Tan Valley Acceptable
San Tan Valley Preferred
Nearby ZIP codes
85142 Queen Creek (4.4 mi) 85140 San Tan Valley (9.2 mi) 85298 Gilbert (10.6 mi) 85128 Coolidge (11.6 mi) 85249 Chandler (12.4 mi) 85297 Gilbert (12.9 mi) 85212 Mesa (13.9 mi) 85295 Gilbert (14.7 mi) 85194 Casa Grande (15.3 mi) 85286 Chandler (16.2 mi) 85248 Chandler (16.7 mi) 85296 Gilbert (16.7 mi)
Demographics updated 05/2026
Population
Total population 39,622
Population density 1,267 / sq mi
State FIPS 04
County FIPS 021
Geography
Land area 31.28 sq mi
Water area 0.00 sq mi
Latitude 33.1288
Longitude -111.6053
Timezone Mountain (MT) — no DST
Area code 480/520
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 28.9% 42.0% 40.6%
$50k – $100k 40.3% 34.4% 31.9%
$100k – $200k 29.1% 20.0% 21.1%
Over $200k 1.7% 3.6% 6.4%

Demographics & statistics

39,622
Population
1,267
People per sq mi
37.3
Median age
$85,744
Median household income
$32,825
Per capita income
$297,700
Median home value
$1,665
Median monthly rent
78.2%
Home ownership
6.0%
Poverty rate
4.2%
Unemployment
12,460
Housing units
20.4%
Bachelor's or higher

Age distribution

Male Female
1,034
Under 5
1,098
1,688
5–9
1,791
1,492
10–14
1,583
1,191
15–19
1,265
1,078
20–24
1,145
2,504
25–34
2,659
3,249
35–44
3,449
2,281
45–54
2,421
1,181
55–59
1,253
1,146
60–64
1,217
1,512
65–74
1,605
642
75–84
682
221
85+
235
← Male
Female →

Age summary

GroupCount%
Under 1810,37126.2%
18 and over29,25173.8%
65 and over4,89712.4%
Median age37.3 years

Race & ethnicity

White 70.4%
Hispanic or Latino 10.1%
Two or more races 9.7%
Other race 3.8%
Black or African American 3%
American Indian / Alaska Native 1.5%
Asian 1.5%
GroupCount%
White31,04470.4%
Hispanic or Latino4,44510.1%
Two or more races4,2739.7%
Other race1,6903.8%
Black or African American1,3003%
American Indian / Alaska Native6641.5%
Asian6471.5%

Household income

Income range This ZIP County avg State avg
Under $50k 28.9% 42.0% 40.6%
$50k – $100k 40.3% 34.4% 31.9%
$100k – $200k 29.1% 20.0% 21.1%
Over $200k 1.7% 3.6% 6.4%
Under $10k 2.4%
$10k–$15k 1.0%
$15k–$25k 2.4%
$25k–$35k 5.8%
$35k–$50k 7.9%
$50k–$75k 21.0%
$75k–$100k 19.9%
$100k–$150k 23.7%
$150k–$200k 10.8%
$200k+ 5.0%
Range% of households
Under $10k2.4%
$10k–$15k1.0%
$15k–$25k2.4%
$25k–$35k5.8%
$35k–$50k7.9%
$50k–$75k21.0%
$75k–$100k19.9%
$100k–$150k23.7%
$150k–$200k10.8%
$200k+5.0%
Median income$85,744

Housing

Home values

Under $50k 2.9%
$50k–$100k 1.0%
$100k–$150k 1.0%
$150k–$200k 7.3%
$200k–$300k 39.0%
$300k–$500k 39.5%
$500k–$1M 9.0%
$1M+ 0.3%

Housing overview

MetricValue
Median home value$297,700
Median rent / month$1,665
Owner occupied78.2%
Renter occupied21.8%
Vacant13.0%
Single-family detached97.6%
Large apartment buildings0.0%
Mobile homes1.4%
Median rooms6.3
Avg household size (owned)2.99

Year built

Era%
2020 or later0.5%
2010–201921.5%
2000–200969.7%
1990–19995.6%
1980–19890.9%
1970–19791.3%
1960–19690.5%
1950–19590.1%
1940–19490.0%
1939 or earlier0.0%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom0.1%
2 bedrooms7.9%
3 bedrooms42.1%
4 bedrooms40.2%
5+ bedrooms9.7%

Vehicles per household

Vehicles% of households
No vehicle3.3%
1 vehicle24.9%
2 vehicles44.5%
3 or more27.2%

Heating fuel

Fuel type%
Utility gas40.2%
Electricity57.9%
Propane / LP gas1.4%
Wood0.3%
Solar0.2%
No fuel used0.1%

Households & families

Household typeCount%
Married-couple family8,77865.6%
Cohabiting couple1,2549.4%
Male householder, no spouse1,1618.7%
Female householder, no spouse2,19116.4%
Households with children under 185,68942.5%
Households with seniors (65+)3,28224.5%
Average household size2.96

Marital status

StatusMaleFemale
Never married27.2%25.0%
Married61.7%58.3%
Separated0.4%1.0%
Widowed2.0%4.4%
Divorced8.7%11.4%

Education

Less than 9th grade 2.8%
Some HS, no diploma 5.1%
HS graduate 31.4%
Some college, no degree 28.2%
Associate's degree 12.0%
Bachelor's degree 14.9%
Graduate / professional 5.5%
Metric%
HS diploma or higher92.1%
Bachelor's or higher20.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool4274.2%
Kindergarten7137.0%
Elementary school4,95448.8%
High school2,38423.5%
College / grad school1,67616.5%

Employment

Industry of employment

Education & healthcare 21.1%
Retail trade 11.8%
Professional & management 11.8%
Finance & real estate 8.7%
Construction 8.6%
Manufacturing 8.6%
Arts, food & hospitality 7.7%
Transportation & utilities 7.1%
Public administration 5.9%
Other services 4.7%
Wholesale trade 1.9%
Agriculture & mining 1.0%
Information 1.0%

Occupation

Category%
Management, business & arts36.1%
Service19.1%
Sales & office24.6%
Natural resources & construction8.7%
Production & transportation11.4%

Employment type

Type%
Private sector82.2%
Government13.5%
Self-employed4.3%
Unpaid family workers0.0%

Commute

Method%
Drive alone70.4%
Carpool13.1%
Public transit0.0%
Walk0.3%
Work from home14.6%
Other means1.7%
Avg commute (minutes)36.1

Poverty

All people 6.0%
Under 18 years 5.8%
18 and over 6.1%
Married-couple families 3.8%
Female-led households 17.0%

Income support

Source% of households
Social Security27.4%
Retirement income23.6%
Supplemental Security4.3%
Cash public assistance1.4%
Food stamps / SNAP7.5%

Health indicators

Condition%
Obesity35.0%
High blood pressure23.8%
High cholesterol27.3%
Diabetes7.5%
Heart disease4.0%
Stroke2.0%
Asthma11.1%
Arthritis18.4%
Kidney disease2.1%
Pulmonary disease5.0%
Cancer4.3%
Behavior / access%
Smoking19.4%
Binge drinking18.2%
No physical activity21.0%
Less than 7 hrs sleep37.9%
Depression21.8%
Fair or poor health12.1%
Poor mental health16.4%
Poor physical health9.3%
No health insurance15.9%
Visited doctor (checkup)69.9%
Visited dentist56.4%
Cholesterol screening86.7%
Teeth loss11.9%

Veterans & disability

VeteransCount%
Civilian veterans3,02810.4%
Disability%
Any disability13.4%
Under 185.3%
18–64 years12.8%
65 and over33.7%

Health insurance coverage

Type%
Private insurance70.8%
Public insurance28.8%
No insurance10.2%
Uninsured under 1912.1%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only37,49094.6%
Spanish1,6094.3%
Other Indo-European1,3543.6%
Asian & Pacific Islander1220.3%
Other languages750.2%

Place of birth & citizenship

OriginCount%
Native born (US)36,70892.6%
Born in same state36,36391.8%
Born in different state15,35238.7%
Foreign born3450.9%
Naturalized citizen2,9147.4%
Not a US citizen1,84563.3%

Ancestry

AncestryCount%
French4,20710.6%
Italian3,7959.6%
Arab1,3063.3%
Polish8602.2%
English4841.2%
AncestryCount%
Dutch4261.1%
Irish1690.4%
German1080.3%
Norwegian460.1%

Technology access

Metric% of households
Computer access33.8%
Internet access98.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 85143

What city is ZIP code 85143 in?

ZIP code 85143 is primarily assigned to San Tan Valley, Arizona.

What county is ZIP code 85143 in?

ZIP code 85143 falls within Pinal County, Arizona.

Does ZIP code 85143 have a large veteran population?

10% of civilians in ZIP code 85143 are veterans, above the national average of ~7%.

What is the population of ZIP code 85143?

ZIP code 85143 has an estimated population of 39,622 residents, with a density of 1,267 people per square mile.

What is the typical home value in ZIP code 85143?

The median home value in ZIP code 85143 is $297,700.

What is the median household income in ZIP code 85143?

The median household income in ZIP code 85143 is $85,744, above the national median of ~$75,000.

What timezone is ZIP code 85143 in?

ZIP code 85143 observes the MST timezone.

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