Marco Island, Florida

Marco Island population, 2020 to 2024

Marco Island added 790 residents from July 2020 to July 2024, a change of +5.0%. In the latest year it moved by +105. Among 229 Florida places of 5,000 or more, that growth ranks 111th; the median place changed by +4.8%. The median place of 5,000+ in Florida has 21,954 people, so Marco Island is 75% of it.

Marco Island covers 12.16 square miles of land and 12.51 of water, for 1,361 people per square mile of land. The median Florida place of 5,000+ has 2,498, so Marco Island is less dense than the typical town.

What county Marco Island is in

All of Marco Island's residents live in Collier County, which had 416,233 residents in 2024. Marco Island holds 4.0% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Marco Island

2 ZIP Code Tabulation Areas (ZCTAs) overlap Marco Island by at least 10% of the ZCTA's or the city's land: 34140, 34145. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Marco Island is

The Census internal point of Marco Island is at 25.932000, -81.704800. Tallahassee, the capital, is 348.6 miles NNW in a straight line. The nearest larger place is Naples, FL (20,168 people), 16.1 miles away. The nearest city of 100,000 or more is Cape Coral, FL, 52.4 miles away.

Daylight in Marco Island

At 25.93° N, Marco Island gets about 13 h 46 min of daylight around the June solstice and 10 h 31 min around the December solstice, a swing of 3 h 15 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Marco Island

The eight nearest incorporated places of 1,000+ in Florida, measured between internal points. The closest is Naples, 16.1 miles away, with 20,168 people.