Coolidge ZIP Code List — Pinal County, AZ

There is one unique ZIP code in Coolidge, Arizona and it is 85128. Area code: 520.

ZIP codes

166.66

sq mi land

1.74

sq mi water

520

area code

Coolidge, AZ ZIP code map

About Coolidge, AZ

Coolidge, Arizona, is a vibrant city located in Pinal County, known for its rich history and community spirit. With a unique blend of agricultural and industrial sectors, it has become a hub for both residents and visitors alike. The city offers a welcoming atmosphere, making it an attractive place for families and individuals seeking a quality lifestyle.

Location & geography

Coolidge is situated in the central region of Arizona, approximately 24 miles southeast of Phoenix and about 14 miles northwest of Casa Grande. The city spans a total land area of 166.66 square miles, complemented by a water area of 1.74 square miles. The surrounding terrain is predominantly flat, featuring desert landscapes and vibrant sunsets that are characteristic of the region.

Community & economy

The character of Coolidge is marked by its strong sense of community and a diverse population. The local economy is supported by agriculture, manufacturing, and retail industries, which provide numerous job opportunities for residents. Daily life in Coolidge often involves community events, local markets, and outdoor activities that reflect the city’s commitment to fostering a close-knit community.

Transportation

Coolidge is conveniently located near several major highways, including Arizona State Route 87, providing easy access to neighboring areas. The nearest airport is Phoenix-Mesa Gateway Airport, located approximately 40 miles away, offering a range of domestic flights. Public transportation options may be limited, encouraging most residents to rely on personal vehicles for commuting.

History

Coolidge was founded in the early 20th century and has evolved significantly since its establishment. The city's growth was closely tied to the development of agriculture in the area, particularly the cultivation of cotton, which became a key industry. A notable event in its history is the construction of the Coolidge Dam, which was completed in 1930 and plays a vital role in local irrigation.

Did you know?

One surprising fact about Coolidge is that it is named after President Calvin Coolidge, who served in the 1920s. Despite its small size, the city boasts a rich cultural heritage and is home to several historic sites, including the Casa Grande Ruins National Monument nearby.

ZIP codes for Coolidge, AZ (1)

ZIP code	City	County	Map
85128	Coolidge	Pinal	View map

Demographics & statistics

17,659

Population

33.8

Median age

$55,768

Median household income

$26,280

Per capita income

$177,600

Median home value

$949

Median monthly rent

67.6%

Home ownership

25.0%

Poverty rate

16.5%

Unemployment

4,361

Housing units

13.1%

Bachelor's or higher

Age distribution

Male Female

529

Under 5

554

571

5–9

597

707

10–14

741

840

15–19

880

580

20–24

607

1,277

25–34

1,338

1,106

35–44

1,159

1,043

45–54

1,093

418

55–59

437

333

60–64

349

696

65–74

729

393

75–84

411

132

85+

139

← Male

Female →

Age summary

Group	Count	%
Under 18	4,784	27.1%
18 and over	12,875	72.9%
65 and over	2,500	14.2%
Median age	33.8 years

Race & ethnicity

White 34.4%

Hispanic or Latino 22.2%

Two or more races 14.7%

American Indian / Alaska Native 12.8%

Other race 10.2%

Black or African American 5.4%

Asian 0.2%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	7,804	34.4%
Hispanic or Latino	5,038	22.2%
Two or more races	3,340	14.7%
American Indian / Alaska Native	2,903	12.8%
Other race	2,326	10.2%
Black or African American	1,222	5.4%
Asian	52	0.2%
Native Hawaiian / Pacific Islander	12	0.1%

Household income

Under $10k 8.6%

$10k–$15k 4.3%

$15k–$25k 10.4%

$25k–$35k 7.8%

$35k–$50k 14.4%

$50k–$75k 18.8%

$75k–$100k 9.6%

$100k–$150k 14.8%

$150k–$200k 4.8%

$200k+ 6.4%

Range	% of households
Under $10k	8.6%
$10k–$15k	4.3%
$15k–$25k	10.4%
$25k–$35k	7.8%
$35k–$50k	14.4%
$50k–$75k	18.8%
$75k–$100k	9.6%
$100k–$150k	14.8%
$150k–$200k	4.8%
$200k+	6.4%
Median income	$55,768

Housing

Home values

Under $50k 11.9%

$50k–$100k 11.5%

$100k–$150k 17.8%

$150k–$200k 16.3%

$200k–$300k 21.3%

$300k–$500k 15.6%

$500k–$1M 2.4%

$1M+ 3.2%

Housing overview

Metric	Value
Median home value	$177,600
Median rent / month	$949
Owner occupied	67.6%
Renter occupied	32.4%
Vacant	10.8%
Single-family detached	80.7%
Large apartment buildings	1.7%
Mobile homes	10.0%
Median rooms	5.4
Avg household size (owned)	3.05

Year built

Era	%
2020 or later	1.8%
2010–2019	4.8%
2000–2009	42.5%
1990–1999	8.0%
1980–1989	7.2%
1970–1979	12.2%
1960–1969	9.0%
1950–1959	8.8%
1940–1949	1.6%
1939 or earlier	4.2%

Bedrooms

Size	% of units
No bedroom (studio)	1.2%
1 bedroom	8.0%
2 bedrooms	18.9%
3 bedrooms	47.1%
4 bedrooms	17.8%
5+ bedrooms	7.1%

Vehicles per household

Vehicles	% of households
No vehicle	7.1%
1 vehicle	28.7%
2 vehicles	32.9%
3 or more	31.2%

Heating fuel

Fuel type	%
Utility gas	23.9%
Electricity	70.3%
Propane / LP gas	3.9%
Solar	0.5%
No fuel used	0.7%

Households & families

Household type	Count	%
Married-couple family	2,197	40.1%
Cohabiting couple	523	9.6%
Male householder, no spouse	918	16.8%
Female householder, no spouse	1,835	33.5%
Households with children under 18	2,220	40.6%
Households with seniors (65+)	1,856	33.9%
Average household size	3.17

Marital status

Status	Male	Female
Never married	48.1%	30.3%
Married	37.5%	35.3%
Separated	1.3%	4.5%
Widowed	0.8%	10.4%
Divorced	12.2%	19.5%

Education

Less than 9th grade 6.0%

Some HS, no diploma 8.8%

HS graduate 37.6%

Some college, no degree 27.2%

Associate's degree 7.4%

Bachelor's degree 9.6%

Graduate / professional 3.4%

Metric	%
HS diploma or higher	85.2%
Bachelor's or higher	13.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	92	1.9%
Kindergarten	174	3.6%
Elementary school	2,162	44.7%
High school	1,280	26.5%
College / grad school	1,129	23.3%

Employment

Industry of employment

Public administration 18.6%

Education & healthcare 16.9%

Construction 11.4%

Retail trade 10.5%

Professional & management 9.0%

Manufacturing 7.7%

Arts, food & hospitality 7.1%

Transportation & utilities 5.1%

Agriculture & mining 4.9%

Other services 3.2%

Finance & real estate 3.1%

Information 2.6%

Occupation

Category	%
Management, business & arts	22.2%
Service	28.7%
Sales & office	18.7%
Natural resources & construction	16.7%
Production & transportation	13.7%

Employment type

Type	%
Private sector	64.9%
Government	29.3%
Self-employed	5.5%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	74.0%
Carpool	19.6%
Public transit	0.2%
Walk	1.3%
Other means	0.6%
Avg commute (minutes)	23.3

Poverty

All people 25.0%

Under 18 years 36.6%

18 and over 20.7%

Married-couple families 8.0%

Female-led households 54.0%

Income support

Source	% of households
Social Security	38.2%
Retirement income	31.4%
Supplemental Security	8.1%
Cash public assistance	4.0%
Food stamps / SNAP	27.8%

Health indicators

Condition	%
High blood pressure	31.1%
High cholesterol	31.5%
Heart disease	6.6%
Stroke	3.6%
Asthma	12.3%
Arthritis	23.9%
Kidney disease	3.4%
Pulmonary disease	8.0%
Cancer	5.1%

Behavior / access	%
Binge drinking	14.9%
No physical activity	30.1%
Less than 7 hrs sleep	39.3%
Fair or poor health	21.0%
Poor mental health	17.5%
Poor physical health	14.0%
No health insurance	21.9%
Visited doctor (checkup)	73.0%
Visited dentist	46.6%
Cholesterol screening	85.9%
Teeth loss	20.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,225	9.8%

Disability	%
Any disability	15.5%
Under 18	5.1%
18–64 years	13.2%
65 and over	44.2%

Health insurance coverage

Type	%
Private insurance	44.7%
Public insurance	51.0%
Uninsured under 19	16.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	16,576	93.9%
Spanish	1,077	6.5%
Other Indo-European	1,014	6.1%
Asian & Pacific Islander	2	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	16,197	91.7%
Born in same state	16,007	90.6%
Born in different state	10,923	61.9%
Foreign born	190	1.1%
Naturalized citizen	1,462	8.3%
Not a US citizen	626	42.8%

Ancestry

Ancestry	Count	%
Italian	943	5.3%
French	557	3.2%
Arab	316	1.8%
Polish	193	1.1%

Ancestry	Count	%
Dutch	120	0.7%
English	89	0.5%
German	23	0.1%

Technology access

Metric	% of households
Computer access	31.0%
Internet access	89.3%

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

Frequently asked questions

What is the ZIP code for Coolidge, AZ?

Coolidge, AZ has one ZIP code: 85128.

What is the main ZIP code for Coolidge, AZ?

The primary ZIP code for Coolidge, AZ is 85128. The city uses area code 520 for phone service.

What county is Coolidge, AZ in?

Coolidge is located in Pinal County, Arizona.

How many ZIP codes are in Coolidge, AZ?

Coolidge, AZ has 1 ZIP code.

What is the ZIP code for downtown Coolidge and the main business district?

Downtown Coolidge and the main business district are located in ZIP code 85128, which serves as the primary commercial and civic center of the city.

What ZIP code should I use for mailing addresses to businesses near the Coolidge Municipal Airport?

Addresses for businesses and facilities near Coolidge Municipal Airport should use ZIP code 85128, as the airport is located within the city's single ZIP code area.