Home > FL > Collier County > Marco Island > Zip 34145

Zip Code 34145 — Marco Island, FL

34145 is a ZIP Code associated with Marco Island, FL, located within Collier. The postal region supports an estimated population of 16,205 residents across Data Pending housing units, with a population density of 384.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (25.919030, -81.695060)

Data MetricLocal Statistic
Postal / Zip Code34145
Primary CityMarco Island
State / ProvinceFL
CountyCollier
Total Population16,205
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density384.7 people/sq mi
TimezoneAmerica/New_York

How 34145 Compares

MetricZIP 34145Collier CountyFL State Average
Population16,205397,68722,412,596
Median IncomeData PendingN/AN/A
Population Density384.7 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 34140Goodland2.3 mi104N/A
Zip 34114Naples8.4 mi23,559N/A
Zip 34113Naples9.8 mi26,056N/A
Zip 34101Naples10.9 miN/AN/A
Zip 34112Naples14.2 mi27,193N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →