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Arizona ZIP Codes
Pinal County
San Tan Valley, AZ
85143
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.
Mountain (MT) — no DST
timezone
85143 ZIP code map
View map of 85143
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.
Nearby ZIP codes
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
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
$85,744
Median household income
$297,700
Median home value
$1,665
Median monthly rent
20.4%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 10,371 26.2%
18 and over 29,251 73.8%
65 and over 4,897 12.4%
Median age 37.3 years
Race & ethnicity
Black or African American
3%
American Indian / Alaska Native
1.5%
Group Count %
White 31,044 70.4%
Hispanic or Latino 4,445 10.1%
Two or more races 4,273 9.7%
Other race 1,690 3.8%
Black or African American 1,300 3%
American Indian / Alaska Native 664 1.5%
Asian 647 1.5%
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%
Range % of households
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%
Median income $85,744
Housing
Housing overview
Metric Value
Median home value $297,700
Median rent / month $1,665
Owner occupied 78.2%
Renter occupied 21.8%
Vacant 13.0%
Single-family detached 97.6%
Large apartment buildings 0.0%
Mobile homes 1.4%
Median rooms 6.3
Avg household size (owned) 2.99
Year built
Era %
2020 or later 0.5%
2010–2019 21.5%
2000–2009 69.7%
1990–1999 5.6%
1980–1989 0.9%
1970–1979 1.3%
1960–1969 0.5%
1950–1959 0.1%
1940–1949 0.0%
1939 or earlier 0.0%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 0.1%
2 bedrooms 7.9%
3 bedrooms 42.1%
4 bedrooms 40.2%
5+ bedrooms 9.7%
Vehicles per household
Vehicles % of households
No vehicle 3.3%
1 vehicle 24.9%
2 vehicles 44.5%
3 or more 27.2%
Heating fuel
Fuel type %
Utility gas 40.2%
Electricity 57.9%
Propane / LP gas 1.4%
Wood 0.3%
Solar 0.2%
No fuel used 0.1%
Households & families
Household type Count %
Married-couple family 8,778 65.6%
Cohabiting couple 1,254 9.4%
Male householder, no spouse 1,161 8.7%
Female householder, no spouse 2,191 16.4%
Households with children under 18 5,689 42.5%
Households with seniors (65+) 3,282 24.5%
Average household size 2.96
Marital status
Status Male Female
Never married 27.2% 25.0%
Married 61.7% 58.3%
Separated 0.4% 1.0%
Widowed 2.0% 4.4%
Divorced 8.7% 11.4%
Education
Some college, no degree
28.2%
Graduate / professional
5.5%
Metric %
HS diploma or higher 92.1%
Bachelor's or higher 20.4%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 427 4.2%
Kindergarten 713 7.0%
Elementary school 4,954 48.8%
High school 2,384 23.5%
College / grad school 1,676 16.5%
Employment
Industry of employment
Education & healthcare
21.1%
Professional & management
11.8%
Finance & real estate
8.7%
Arts, food & hospitality
7.7%
Transportation & utilities
7.1%
Public administration
5.9%
Agriculture & mining
1.0%
Occupation
Category %
Management, business & arts 36.1%
Service 19.1%
Sales & office 24.6%
Natural resources & construction 8.7%
Production & transportation 11.4%
Employment type
Type %
Private sector 82.2%
Government 13.5%
Self-employed 4.3%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 70.4%
Carpool 13.1%
Public transit 0.0%
Walk 0.3%
Work from home 14.6%
Other means 1.7%
Avg commute (minutes) 36.1
Poverty
Married-couple families
3.8%
Female-led households
17.0%
Income support
Source % of households
Social Security 27.4%
Retirement income 23.6%
Supplemental Security 4.3%
Cash public assistance 1.4%
Food stamps / SNAP 7.5%
Health indicators
Condition %
Obesity 35.0%
High blood pressure 23.8%
High cholesterol 27.3%
Diabetes 7.5%
Heart disease 4.0%
Stroke 2.0%
Asthma 11.1%
Arthritis 18.4%
Kidney disease 2.1%
Pulmonary disease 5.0%
Cancer 4.3%
Behavior / access %
Smoking 19.4%
Binge drinking 18.2%
No physical activity 21.0%
Less than 7 hrs sleep 37.9%
Depression 21.8%
Fair or poor health 12.1%
Poor mental health 16.4%
Poor physical health 9.3%
No health insurance 15.9%
Visited doctor (checkup) 69.9%
Visited dentist 56.4%
Cholesterol screening 86.7%
Teeth loss 11.9%
Veterans & disability
Veterans Count %
Civilian veterans 3,028 10.4%
Disability %
Any disability 13.4%
Under 18 5.3%
18–64 years 12.8%
65 and over 33.7%
Health insurance coverage
Type %
Private insurance 70.8%
Public insurance 28.8%
No insurance 10.2%
Uninsured under 19 12.1%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 37,490 94.6%
Spanish 1,609 4.3%
Other Indo-European 1,354 3.6%
Asian & Pacific Islander 122 0.3%
Other languages 75 0.2%
Place of birth & citizenship
Origin Count %
Native born (US) 36,708 92.6%
Born in same state 36,363 91.8%
Born in different state 15,352 38.7%
Foreign born 345 0.9%
Naturalized citizen 2,914 7.4%
Not a US citizen 1,845 63.3%
Ancestry
Ancestry Count %
French 4,207 10.6%
Italian 3,795 9.6%
Arab 1,306 3.3%
Polish 860 2.2%
English 484 1.2%
Ancestry Count %
Dutch 426 1.1%
Irish 169 0.4%
German 108 0.3%
Norwegian 46 0.1%
Technology access
Metric % of households
Computer access 33.8%
Internet access 98.8%
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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