Naples is a town located in Clark County, South Dakota. Naples has a 2026 population of 41. Naples is currently declining at a rate of 0% annually and its population has increased by 2.5% since the most recent census, which recorded a population of 40 in 2020.
The median age in Naples is 13.7 years: 11.9 years for males, and 13.9 years for females. For every 100 females there are 104.3 males.