ZIP Code 85640 — Tumacacori-Carmen CDP, AZ Demographics & Data

ZIP code 85640 covers Tumacacori-Carmen, AZ in Santa Cruz County with a population of about 162.

At a glance, the area shows median age of 74.2 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.

Tumacacori-Carmen, AZ reads as a military / base-oriented community on US5’s intent model (elevated veteran share (25.3%) and/or base-related place names). Service members and families often look up Basic Allowance for Housing (BAH) rates, on-base mail (PSC / P.O. Box) addresses, and nearby ZIP demographics when relocating.

US5 shows 2026 DoD BAH locality rates for this ZIP’s Military Housing Area on this page (pay grade × with/without dependents). Treat the table as a planning reference and confirm entitlement with your finance office or the official DTMO BAH lookup.

Median household income in ZIP 85640 is about $58,424 — about 22% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 0.0%; unemployment rate near 0.0%.

Labor and commute patterns include leading industry context around Finance and insurance and Manufacturing; a mean commute of about 39.0 minutes (U.S. average near 26.8).

Housing tenure and rents show owner-occupancy near 61.6% (about 3.8 points below the national owner-occupancy rate (65.4%)).

FEMA’s National Risk Index rates natural-hazard risk for Tumacacori-Carmen CDP, AZ as Relatively Moderate (composite score 88.3), which is elevated versus much of the country. The strongest component scores on US5 are wildfire (98.1) and flood (87.4). 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 Tumacacori-Carmen CDP, AZ show little to no average snow and around 15.9 inches of annual precipitation.

IRS migration statistics show a net inflow of about 5 for ZIP 85640 (Tumacacori-Carmen 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.