85550 ZIP Code — San Carlos, AZ

Gila County, Arizona

ZIP code 85550 is located in San Carlos, Arizona, within Gila County. It covers approximately 428.38 square miles and serves a population of 5,378 residents. This is a standard ZIP code in the Mountain (MT) — no DST timezone, served by area code 928.

About ZIP code 85550

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 $55,700. Owner-occupancy sits near the national average at 56%.

Median household income is $41,563. Poverty affects 46% of residents, above the national average. SNAP benefit usage at 52% of households reflects economic stress in the area.

The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 21 minutes is near the national average.

College attainment at 5% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of diabetes (17%), smoking (43%), poor mental health (26%) compared to national benchmarks.

Overall, ZIP code 85550 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, and elevated reliance on food assistance.

5,378

population

428.38

sq mi land

Standard

ZIP type

Mountain (MT) — no DST

timezone

85550 ZIP code map

Cities in ZIP code 85550

Below are the cities the US Postal Service accepts for ZIP code 85550. Using any city not on this list may result in mail delivery delays.

City	Status
San Carlos	Acceptable

Demographics updated 06/2026

Population
Total population	5,378
Population density	13 / sq mi
State FIPS	04
County FIPS	007

Geography
Land area	428.38 sq mi
Water area	0.55 sq mi
Latitude	33.3336
Longitude	-109.9764
Timezone	Mountain (MT) — no DST
Area code	928

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	67.1%	52.0%	40.6%
$50k – $100k	13.1%	32.5%	31.9%
$100k – $200k	18.6%	13.1%	21.1%
Over $200k	1.2%	2.4%	6.4%

Demographics & statistics

5,378

Population

People per sq mi

28.6

Median age

$41,563

Median household income

$13,379

Per capita income

$55,700

Median home value

$360

Median monthly rent

56.0%

Home ownership

46.3%

Poverty rate

16.3%

Unemployment

899

Housing units

4.9%

Bachelor's or higher

Age distribution

Male Female

174

Under 5

190

227

5–9

249

313

10–14

344

156

15–19

171

238

20–24

262

442

25–34

486

269

35–44

296

312

45–54

342

102

55–59

111

153

60–64

168

143

65–74

158

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,703	31.7%
18 and over	3,675	68.3%
65 and over	373	6.9%
Median age	28.6 years

Race & ethnicity

American Indian / Alaska Native 84.8%

Two or more races 12.3%

White 1.8%

Asian 0.8%

Hispanic or Latino 0.1%

Other race 0.1%

Black or African American 0.1%

Group	Count	%
American Indian / Alaska Native	4,568	84.8%
Two or more races	662	12.3%
White	96	1.8%
Asian	41	0.8%
Hispanic or Latino	7	0.1%
Other race	7	0.1%
Black or African American	4	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	67.1%	52.0%	40.6%
$50k – $100k	13.1%	32.5%	31.9%
$100k – $200k	18.6%	13.1%	21.1%
Over $200k	1.2%	2.4%	6.4%

Under $10k 21.8%

$10k–$15k 4.8%

$15k–$25k 13.4%

$25k–$35k 7.9%

$35k–$50k 15.5%

$50k–$75k 10.1%

$75k–$100k 5.1%

$100k–$150k 13.8%

$150k–$200k 5.9%

$200k+ 1.7%

Range	% of households
Under $10k	21.8%
$10k–$15k	4.8%
$15k–$25k	13.4%
$25k–$35k	7.9%
$35k–$50k	15.5%
$50k–$75k	10.1%
$75k–$100k	5.1%
$100k–$150k	13.8%
$150k–$200k	5.9%
$200k+	1.7%
Median income	$41,563

Housing

Home values

Under $50k 40.0%

$50k–$100k 45.8%

$100k–$150k 6.7%

$200k–$300k 1.7%

$300k–$500k 5.8%

Housing overview

Metric	Value
Median home value	$55,700
Median rent / month	$360
Owner occupied	56.0%
Renter occupied	44.0%
Vacant	10.2%
Single-family detached	74.9%
Large apartment buildings	0.0%
Mobile homes	16.6%
Median rooms	4.9
Avg household size (owned)	3.87

Year built

Era	%
2020 or later	0.0%
2010–2019	14.7%
2000–2009	25.6%
1990–1999	10.3%
1980–1989	19.4%
1970–1979	15.3%
1960–1969	9.3%
1950–1959	4.4%
1940–1949	1.1%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	5.4%
1 bedroom	7.3%
2 bedrooms	19.3%
3 bedrooms	43.8%
4 bedrooms	22.7%
5+ bedrooms	1.6%

Vehicles per household

Vehicles	% of households
No vehicle	26.0%
1 vehicle	41.3%
2 vehicles	16.7%
3 or more	16.0%

Heating fuel

Fuel type	%
Utility gas	37.4%
Electricity	41.0%
Propane / LP gas	2.5%
Fuel oil	1.2%
Wood	13.4%
No fuel used	3.4%

Households & families

Household type	Count	%
Married-couple family	443	33.2%
Cohabiting couple	254	19.1%
Male householder, no spouse	279	20.9%
Female householder, no spouse	357	26.8%
Households with children under 18	682	51.2%
Households with seniors (65+)	345	25.9%
Average household size	4.02

Marital status

Status	Male	Female
Never married	56.0%	54.0%
Married	30.7%	27.4%
Separated	3.8%	0.0%
Widowed	3.7%	9.0%
Divorced	5.8%	9.6%

Education

Less than 9th grade 5.0%

Some HS, no diploma 19.2%

HS graduate 39.1%

Some college, no degree 23.2%

Associate's degree 8.6%

Bachelor's degree 3.1%

Graduate / professional 1.8%

Metric	%
HS diploma or higher	75.8%
Bachelor's or higher	4.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	66	4.4%
Kindergarten	90	5.9%
Elementary school	956	63.0%
High school	228	15.0%
College / grad school	177	11.7%

Employment

Industry of employment

Education & healthcare 28.8%

Agriculture & mining 12.1%

Public administration 10.2%

Professional & management 8.0%

Arts, food & hospitality 7.8%

Transportation & utilities 6.9%

Wholesale trade 6.5%

Construction 5.2%

Other services 3.8%

Retail trade 3.3%

Finance & real estate 3.3%

Information 2.6%

Manufacturing 1.4%

Occupation

Category	%
Management, business & arts	20.2%
Service	41.2%
Sales & office	15.0%
Natural resources & construction	10.3%
Production & transportation	13.3%

Employment type

Type	%
Private sector	53.2%
Government	42.6%
Self-employed	4.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	65.2%
Carpool	25.6%
Public transit	0.0%
Walk	1.6%
Work from home	6.0%
Other means	1.6%
Avg commute (minutes)	21.4

Poverty

All people 46.3%

Under 18 years 52.8%

18 and over 43.4%

Married-couple families 21.0%

Female-led households 58.3%

Income support

Source	% of households
Social Security	27.5%
Retirement income	11.1%
Supplemental Security	15.3%
Cash public assistance	1.2%
Food stamps / SNAP	51.8%

Health indicators

Condition	%
Obesity	41.6%
High blood pressure	36.0%
High cholesterol	28.2%
Diabetes	17.0%
Heart disease	8.7%
Stroke	6.0%
Asthma	16.2%
Arthritis	26.0%
Kidney disease	4.6%
Pulmonary disease	13.1%
Cancer	4.6%

Behavior / access	%
Smoking	43.1%
Binge drinking	17.4%
No physical activity	38.0%
Less than 7 hrs sleep	44.2%
Depression	27.6%
Fair or poor health	33.2%
Poor mental health	26.0%
Poor physical health	21.5%
No health insurance	20.9%
Visited doctor (checkup)	67.1%
Visited dentist	36.8%
Cholesterol screening	81.7%
Teeth loss	38.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	171	4.7%

Disability	%
Any disability	13.0%
Under 18	2.8%
18–64 years	15.5%
65 and over	36.7%

Health insurance coverage

Type	%
Private insurance	35.6%
Public insurance	65.1%
No insurance	7.3%
Uninsured under 19	5.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,014	93.2%
Spanish	172	3.4%
Other Indo-European	1	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,336	99.2%
Born in same state	5,334	99.2%
Born in different state	4,888	90.9%
Foreign born	2	0.0%
Naturalized citizen	42	0.8%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	49	0.9%

Technology access

Metric	% of households
Computer access	24.8%
Internet access	69.1%

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

Frequently asked questions about ZIP code 85550

What city is ZIP code 85550 in?

ZIP code 85550 is primarily assigned to San Carlos, Arizona.

What county is ZIP code 85550 in?

ZIP code 85550 falls within Gila County, Arizona.

What is the poverty rate in ZIP code 85550?

46% of residents in ZIP code 85550 live below the poverty line, above the national average.

Is ZIP code 85550 family-oriented?

32% of residents in ZIP code 85550 are under 18, reflecting a younger, family-oriented community.

How educated is the population of ZIP code 85550?

5% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What is the typical home value in ZIP code 85550?

The median home value in ZIP code 85550 is $55,700.

What timezone is ZIP code 85550 in?

ZIP code 85550 observes the MST timezone.