Marco Island, FL ZIP codes
Marco Island, Florida has 2 ZIP codes, including 1 PO Box ZIP. They are in Collier County.
- Population in these ZIPs
- 16,205
- Avg. median income
- $101,500population-weighted
- Typical home value
- $852,400population-weighted
- Metro area
- Naples-Marco Island, FL
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Marco Island, FL ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 34145 | Collier County | 16,205 | $101,523 | $852,400 |
| 34146 PO Box | Collier County | — | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Marco Island
- Goodland 3 mi
- Naples 17 mi
- Everglades City 20 mi
- Copeland 21 mi
- Chokoloskee 23 mi
- Bonita Springs 30 mi
- Estero 35 mi
- Immokalee 37 mi
- Ochopee 39 mi
- Fort Myers Beach 42 mi
- Sanibel 44 mi
- Fort Myers 45 mi
Frequently asked questions
What county is Marco Island, Florida in?
Marco Island ZIP codes are in Collier County.
Which Marco Island ZIP codes are PO Boxes?
34146 is a PO Box or single-organization ZIP code; it has no residential delivery area.