Lely is a census-designated place (CDP) in Collier County, Florida, United States. The population was 3,694 at the 2020 census, up from 3,451 at the 2010 census. It is part of the Naples–Marco Island Metropolitan Statistical Area.
Geography
Lely is located in western Collier County. It is bordered on the southwest by U.S. Route 41, on the south by Naples Manor, and on the southeast by Lely Resort. Downtown Naples is to the northwest on U.S. 41.
According to the United States Census Bureau, the Lely CDP has a total area of , of which is land and , or 7.04%, is water.
| align = right
| align-fn = center
2020 census
As of the 2020 census, Lely had a population of 3,694. The median age was 67.7 years. 7.8% of residents were under the age of 18 and 54.9% were 65 years of age or older. For every 100 females, there were 81.7 males, and for every 100 females age 18 and over there were 80.4 males age 18 and over.
100.0% of residents lived in urban areas, while 0.0% lived in rural areas.
There were 1,894 households in Lely, of which 9.6% had children under the age of 18 living in them. There were 1,030 families residing in the CDP.