ZIP Code 85618 — Mammoth town, AZ Demographics & Data

ZIP code 85618 covers Mammoth, AZ in Pinal County with a population of about 1,347.

At a glance, the area shows median age of 59.1 versus a U.S. median of about 38.9.

It sits in telephone area code 520; U.S. House district AZ-2; the PHOENIX (PRESCOTT) media market.

Mammoth, AZ fits a retirement-oriented profile (high share of residents 65+ (38.4%)). Residents and relocators commonly research healthcare access, everyday amenities (dining, personal services), and housing costs rather than tech or campus life.

Median household income in ZIP 85618 is about $48,814 — about 35% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 19.1%; unemployment rate near 21.2%; 8.3% of adults with a bachelor’s degree or higher (about 25.4 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Retail trade, Healthcare, and Mining; about 0.9% of workers reporting work-from-home (about 14.3 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Median home value is about $99,700 — about 71% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $718 (about 38% below the U.S. median rent ($1,163)), and owner-occupancy near 80.1% (about 14.7 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 85618 in Mammoth, AZ, a household would need roughly $27,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $640. That sits below the local median household income ($48,814), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

FEMA’s National Risk Index rates natural-hazard risk for Mammoth town, AZ as Relatively Moderate (composite score 93.8), which is among the highest nationally. The strongest component scores on US5 are wildfire (98.0) and flood (96.4). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Mammoth town, AZ show little to no average snow and around 12.6 inches of annual precipitation.

IRS migration statistics show a net inflow of about 45 for ZIP 85618 (Mammoth town, AZ) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.