85618 ZIP Code — Mammoth, AZ

Pinal County, Arizona

ZIP code 85618 is located in Mammoth, Arizona, within Pinal County. It covers approximately 259.75 square miles and serves a population of 1,268 residents. This is a standard ZIP code in the Mountain (MT) — no DST timezone, served by area code 520.

About ZIP code 85618

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $81,800. Owner-occupancy is high at 77%, well above the national average.

Median household income is $45,313. Poverty affects 24% of residents, above the national average. SNAP benefit usage at 22% of households reflects economic stress in the area. 71% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is production, transportation, and material moving, with education and healthcare as the leading industry. The average commute of 31 minutes is near the national average.

College attainment at 3% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of diabetes (17%), smoking (20%) compared to national benchmarks.

Notable community characteristics include disability rates above the national average at 35%.

Overall, ZIP code 85618 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

1,268
population
259.75
sq mi land
Standard
ZIP type
Mountain (MT) — no DST
timezone
85618 ZIP code map
Cities in ZIP code 85618

Below are the cities the US Postal Service accepts for ZIP code 85618. Using any city not on this list may result in mail delivery delays.

City Status
Mammoth Acceptable
Demographics updated 06/2026
Population
Total population 1,268
Population density 5 / sq mi
State FIPS 04
County FIPS 021
Geography
Land area 259.75 sq mi
Water area 0.00 sq mi
Latitude 32.7036
Longitude -110.6551
Timezone Mountain (MT) — no DST
Area code 520
Total population by age
Gender
Race & ethnicity
Economics updated 06/2026
Household income
Income range This ZIP County avg State avg
Under $50k 60.9% 42.0% 40.6%
$50k – $100k 32.9% 34.4% 31.9%
$100k – $200k 6.2% 20.0% 21.1%
Over $200k 0.0% 3.6% 6.4%

Demographics & statistics

1,268
Population
5
People per sq mi
57.8
Median age
$45,313
Median household income
$20,784
Per capita income
$81,800
Median home value
$831
Median monthly rent
76.5%
Home ownership
23.8%
Poverty rate
23.2%
Unemployment
585
Housing units
2.9%
Bachelor's or higher

Age distribution

Male Female
25
Under 5
24
34
5–9
33
21
10–14
21
25
15–19
25
6
20–24
6
33
25–34
33
101
35–44
99
48
45–54
48
76
55–59
76
48
60–64
47
89
65–74
87
102
75–84
100
31
85+
30
← Male
Female →

Age summary

GroupCount%
Under 1819315.2%
18 and over1,07584.8%
65 and over43934.6%
Median age57.8 years

Race & ethnicity

White 63.1%
Hispanic or Latino 17.4%
Two or more races 11.5%
Other race 6.7%
American Indian / Alaska Native 1.2%
GroupCount%
White96963.1%
Hispanic or Latino26717.4%
Two or more races17711.5%
Other race1036.7%
American Indian / Alaska Native191.2%

Household income

Income range This ZIP County avg State avg
Under $50k 60.9% 42.0% 40.6%
$50k – $100k 32.9% 34.4% 31.9%
$100k – $200k 6.2% 20.0% 21.1%
Over $200k 0.0% 3.6% 6.4%
Under $10k 10.1%
$10k–$15k 12.4%
$15k–$25k 6.5%
$25k–$35k 8.6%
$35k–$50k 16.8%
$50k–$75k 23.5%
$75k–$100k 13.0%
$100k–$150k 6.9%
$150k–$200k 2.1%
Range% of households
Under $10k10.1%
$10k–$15k12.4%
$15k–$25k6.5%
$25k–$35k8.6%
$35k–$50k16.8%
$50k–$75k23.5%
$75k–$100k13.0%
$100k–$150k6.9%
$150k–$200k2.1%
Median income$45,313

Housing

Home values

Under $50k 35.5%
$50k–$100k 22.0%
$100k–$150k 25.8%
$150k–$200k 7.3%
$200k–$300k 9.0%
$300k–$500k 0.5%

Housing overview

MetricValue
Median home value$81,800
Median rent / month$831
Owner occupied76.5%
Renter occupied23.5%
Vacant26.1%
Single-family detached57.6%
Large apartment buildings0.8%
Mobile homes35.0%
Median rooms5.2
Avg household size (owned)2.32

Year built

Era%
2020 or later0.0%
2010–20190.0%
2000–20092.4%
1990–19995.5%
1980–198923.2%
1970–197926.3%
1960–196918.1%
1950–195918.2%
1940–19492.5%
1939 or earlier3.8%

Bedrooms

Size% of units
No bedroom (studio)3.8%
1 bedroom4.1%
2 bedrooms23.2%
3 bedrooms56.9%
4 bedrooms7.5%
5+ bedrooms4.5%

Vehicles per household

Vehicles% of households
No vehicle7.5%
1 vehicle23.9%
2 vehicles35.4%
3 or more33.3%

Heating fuel

Fuel type%
Utility gas45.3%
Electricity45.9%
Propane / LP gas3.1%
Wood2.7%
No fuel used3.1%

Households & families

Household typeCount%
Married-couple family22242.4%
Cohabiting couple5710.9%
Male householder, no spouse12022.9%
Female householder, no spouse12423.7%
Households with children under 1813726.2%
Households with seniors (65+)31660.4%
Average household size2.42

Marital status

StatusMaleFemale
Never married23.3%19.3%
Married48.2%43.8%
Separated2.2%0.9%
Widowed5.6%19.8%
Divorced20.7%16.3%

Education

Less than 9th grade 11.8%
Some HS, no diploma 7.9%
HS graduate 44.7%
Some college, no degree 24.1%
Associate's degree 8.6%
Bachelor's degree 1.0%
Graduate / professional 1.8%
Metric%
HS diploma or higher80.2%
Bachelor's or higher2.9%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool84.2%
Kindergarten63.2%
Elementary school9650.5%
High school5227.4%
College / grad school2814.7%

Employment

Industry of employment

Education & healthcare 34.9%
Arts, food & hospitality 16.2%
Retail trade 12.5%
Transportation & utilities 9.3%
Agriculture & mining 7.5%
Construction 7.5%
Public administration 5.0%
Professional & management 4.0%
Other services 1.9%
Manufacturing 1.2%

Occupation

Category%
Management, business & arts16.2%
Service22.7%
Sales & office26.2%
Natural resources & construction4.7%
Production & transportation30.2%

Employment type

Type%
Private sector72.9%
Government26.8%
Self-employed0.3%
Unpaid family workers0.0%

Commute

Method%
Drive alone81.6%
Carpool13.9%
Public transit1.3%
Walk1.9%
Work from home1.3%
Other means0.0%
Avg commute (minutes)30.9

Poverty

All people 23.8%
Under 18 years 35.8%
18 and over 21.7%
Married-couple families 8.1%
Female-led households 26.8%

Income support

Source% of households
Social Security71.3%
Retirement income46.3%
Supplemental Security16.8%
Cash public assistance4.4%
Food stamps / SNAP21.8%

Health indicators

Condition%
Obesity41.3%
High blood pressure35.5%
High cholesterol35.3%
Diabetes17.0%
Heart disease8.6%
Stroke4.1%
Asthma11.2%
Arthritis27.5%
Kidney disease4.3%
Pulmonary disease8.4%
Cancer5.9%
Behavior / access%
Smoking20.3%
Binge drinking12.8%
No physical activity34.8%
Less than 7 hrs sleep37.6%
Depression19.7%
Fair or poor health24.8%
Poor mental health15.6%
Poor physical health15.5%
No health insurance27.1%
Visited doctor (checkup)74.6%
Visited dentist44.7%
Cholesterol screening88.3%
Teeth loss18.9%

Veterans & disability

VeteransCount%
Civilian veterans11510.7%
Disability%
Any disability34.5%
Under 186.7%
18–64 years26.1%
65 and over58.8%

Health insurance coverage

Type%
Private insurance46.0%
Public insurance72.6%
No insurance4.2%
Uninsured under 1911.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,21996.1%
Spanish806.6%
Other Indo-European806.6%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)1,20094.6%
Born in same state1,18493.4%
Born in different state86368.1%
Foreign born161.3%
Naturalized citizen685.4%
Not a US citizen3957.4%

Ancestry

AncestryCount%
French1189.3%
Italian514%
Arab463.6%
AncestryCount%
Polish272.1%
Irish40.3%

Technology access

Metric% of households
Computer access41.2%
Internet access84.9%

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

Frequently asked questions about ZIP code 85618

What city is ZIP code 85618 in?

ZIP code 85618 is primarily assigned to Mammoth, Arizona.

What county is ZIP code 85618 in?

ZIP code 85618 falls within Pinal County, Arizona.

Does ZIP code 85618 have a large retiree population?

71% of households in ZIP code 85618 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 85618 have an older population?

35% of residents in ZIP code 85618 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 85618?

3% 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 poverty rate in ZIP code 85618?

24% of residents in ZIP code 85618 live below the poverty line, above the national average.

What timezone is ZIP code 85618 in?

ZIP code 85618 observes the MST timezone.

Need the complete ZIP code database? Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →