Naples is an incorporated town in Scott County in the U.S. state of Illinois.

[4] According to the 2010 census, Naples has a total area of 0.61 square miles (1.58 km2), all land.

The racial makeup of the town was 98.51% White, 0.75% Native American, 0.75% from other races.

17.8% of all households were made up of individuals, and 4.4% had someone living alone who was 65 years of age or older.

There were 26.7% of families and 29.3% of the population living below the poverty line, including 35.1% of under eighteens and none of those over 64.