In 2022, the population of Naper was 86, a 2.27% decrease year-by-year from 2021. Previously, in 2021, Naper's population was 88, a decline of 1.12% compared to a population of 89 in 2020.
The median age in Naper, NE is 33.5, as per 2021 ACS 5-Year Estimates. Of the total population, 35.33% were under the age of 15, 13.33% aged 15 to 29, 18.67% aged 30 to 64, 26.00% aged 65 to 84, and 6.67% were 85 years of age and older.