ZIP Code 85373 — Sun City CDP, AZ Demographics & Data

ZIP code 85373 covers Sun City, AZ in Maricopa County with a population of about 20,885.

At a glance, the area shows median age of 64.7 versus a U.S. median of about 38.9.

It sits in telephone area code 623; U.S. House district AZ-8; the PHOENIX (PRESCOTT) media market.

Sun City, AZ fits a retirement-oriented profile (high share of residents 65+ (49.4%)). 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 85373 is about $68,445 — about 9% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 9.3%; unemployment rate near 3.4%; 30.6% of adults with a bachelor’s degree or higher (about 3.1 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Retail trade, and Finance and insurance; about 21.7% of workers reporting work-from-home (about 6.5 points above 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 $317,100 — about 9% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,672 (about 44% above the U.S. median rent ($1,163)), and owner-occupancy near 86.5% (about 21.1 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 85373 in Sun City, AZ, a household would need roughly $87,000 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 $2,037. That is about 27% above the local median household income ($68,445), so the median earner would likely stretch or need a larger down payment. 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 Sun City CDP, AZ as Very High (composite score 99.9), which is among the highest nationally. The strongest component scores on US5 are flood (99.9) and wildfire (99.6). 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 Sun City CDP, AZ show little to no average snow and around 8.3 inches of annual precipitation.

IRS migration statistics show a net inflow of about 701 for ZIP 85373 (Sun City CDP, 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.