ZIP Code 34140 — Marco Island city, FL Demographics & Data

ZIP code 34140 covers Marco Island, FL in Collier County with a population of about 89.

At a glance, the area shows median age of 73.5 versus a U.S. median of about 38.9.

It sits in telephone area code 239; U.S. House district FL-19; the FT. MYERS - NAPLES media market.

Marco Island, FL reads as a military / base-oriented community on US5’s intent model (elevated veteran share (22.5%) 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.

On socioeconomic markers, US5 shows a poverty rate of 0.0%; unemployment rate near 0.0%; 46.1% of adults with a bachelor’s degree or higher (about 12.4 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Transportation; a mean commute of about 16.0 minutes (U.S. average near 26.8).

Housing tenure and rents show owner-occupancy near 69.2% (about 3.8 points above the national owner-occupancy rate (65.4%)).

FEMA’s National Risk Index rates natural-hazard risk for Marco Island city, FL as Relatively High (composite score 98.9), which is among the highest nationally. The strongest component scores on US5 are hurricane (99.7) and flood (98.3). 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 Marco Island city, FL show little to no average snow and around 53.3 inches of annual precipitation.

IRS migration statistics show a net inflow of about 4 for ZIP 34140 (Marco Island city, FL) 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.