Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
ZIP code 85639 covers Topawa, AZ in Pima County with a population of about 358.
At a glance, the area shows median age of 26.0 versus a U.S. median of about 38.9.
It sits in telephone area code 520; U.S. House district AZ-7; the TUCSON (SIERRA VISTA) media market.
Median household income in ZIP 85639 is about $35,625 — about 53% below the U.S. median ($75,149).
On socioeconomic markers, US5 shows a poverty rate of 41.1%; unemployment rate near 0.0%; 7.0% of adults with a bachelor’s degree or higher (about 26.7 points below the national share (33.7%)).
Labor and commute patterns include leading industry context around Public administration and Manufacturing; a mean commute of about 63.0 minutes (U.S. average near 26.8).
Median home value is about $106,300 — about 69% below the U.S. median home value ($348,079).
Housing tenure and rents show owner-occupancy near 34.6% (about 30.8 points below the national owner-occupancy rate (65.4%)).
To comfortably buy a median-priced home in ZIP 85639 in Topawa, AZ, a household would need roughly $29,000 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 $683. That sits below the local median household income ($35,625), 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 Topawa CDP, AZ as Relatively High (composite score 99.1), which is among the highest nationally. The strongest component scores on US5 are wildfire (99.7) and flood (99.5). 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 Topawa CDP, AZ show limited published climate normals on US5.
IRS migration statistics show a net inflow of about 12 for ZIP 85639 (Topawa 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.