Golden Gate is a community and census-designated place in Collier County, Florida, United States. Golden Gate's boundaries coincide with a 2 by 2 miles square of significantly higher density development than surrounding areas. The population was 25,321 as recorded in the 2020 census, up from 23,961 at the 2010 census. It is part of the Naples–…Golden Gate is a community and census-designated place in Collier County, Florida, United States. Golden Gate's boundaries coincide with a 2 by 2 miles square of significantly higher density development than surrounding areas. The population was 25,321 as recorded in the 2020 census, up from 23,961 at the 2010 census. It is part of the Naples–Marco Island Metropolitan Statistical Area.