What is the largest city in Pinal County, AZ?

San Tan Valley is the largest city or town in Pinal County, with about 109,189 residents.

How many ZIP codes are in Pinal County?

Pinal County includes 27 ZIP Code Tabulation Areas, including 85118, 85119, 85120, 85121, 85122.

What is the population of Pinal County, AZ?

About 469,006 people live in Pinal County, based on American Community Survey 5-year estimates.

What counties border Pinal County?

Pinal County borders Maricopa County, Pima County, Gila County, Graham County.

Pinal County, AZ: Cities, ZIP Codes & Local Data

Population

469,006

Land area

5,367sq mi

People per sq mi

87

ZIP codes

27

Pinal County at a glance

Pinal County is 35% denser than Arizona as a whole.
It is the 3rd most populous of 15 counties in Arizona.
The median household income is $80,266, close to the Arizona median.
A typical owner-occupied home is valued at $349,000 (12% below Arizona) and median rent is $1,537 a month.
The biggest population centers are San Tan Valley (109,189), Maricopa (67,163) and Casa Grande (60,905).

Local data for Pinal County, AZ

Counts from official public data

Housing and community stats

Pinal County, AZ, American Community Survey 2020-2024

Full profile

Median household income

$80,266

Poverty rate

11.1%

Median home value

$349,000

Prices +1.1% in a year

Median rent

$1,537/mo

Homeownership

81.7%

Bachelor's or higher

22.5%

Median age

40.4

Average commute

31.8 min

Largest reported origins and ancestries: Mexican Americans (121,235), German Americans (65,659), Irish Americans (43,411).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

4.8%

Sep 2026, -0.1 pts in a year

Average annual pay

$61,079

79,977 jobs, 2025

Income per person

$50,771

BEA, 2024

Federal spending

$3.2B

FY 2026, $7,554 per person

PPP loans

$256M

6,947 loans, 36,633 jobs reported

Campaign donations

$2.9M

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Pinal County, AZ, workers 16 and older. American Community Survey 5-year estimates

Drove alone68.3%
Carpooled11.4%
Public transit0.1%
Walked1.4%
Bicycle0.3%
Taxi, ride-hailing, motorcycle or other1.6%
Worked from home16.9%

Average one-way commute: 31.8 minutes for people who do not work from home.

Environment and hazard risk

Pinal County, AZ, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: heat wave

Storm events since 1996

1,447

Most often thunderstorm wind

Flood insurance policies

839

0.5% of homes, county

July high / Jan low

105° / 42°F

8.6 inches of rain a year

Hazards, floods and storm history Check a flood zone 91 historic places

Health statistics

Share of adults in Pinal County, AZ, CDC PLACES estimates

All 40 measures

Obesity

38.4%

U.S. 33.3% +5.1 pts

Diabetes

12.9%

U.S. 12.1% +0.8 pts

Smoking

12.3%

U.S. 12.8% -0.5 pts

Uninsured (18-64)

13.7%

U.S. 11.1% +2.6 pts

Cities, towns and ZIP codes in Pinal County

Population shown

Frequently asked questions

What is the largest city in Pinal County, AZ?: San Tan Valley is the largest city or town in Pinal County, with about 109,189 residents.
How many ZIP codes are in Pinal County?: Pinal County includes 27 ZIP Code Tabulation Areas, including 85118, 85119, 85120, 85121, 85122.
What is the population of Pinal County, AZ?: About 469,006 people live in Pinal County, based on American Community Survey 5-year estimates.
What counties border Pinal County?: Pinal County borders Maricopa County, Pima County, Gila County, Graham County.