Naples is a city in Collier County, Florida, United States. As of 2015, the city's population was about 20,600. Naples is a principal city of the Naples-Marco Island, Florida Metropolitan Statistical Area, which had a population of about 322,000 as of 2015. Naples is one of the wealthiest cities in the United States, with the sixth highest per capita income in the country, and the second highest proportion of millionaires per capita in the US. Real estate is among the most expensive in the country, with houses for sale in excess of $40 million.

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