In 2022, the population of Viola was 107, a 2.88% increase year-by-year from 2021. Previously, in 2021, Viola's population was 104, an increase of 0.97% compared to a population of 103 in 2020.
The median age in Viola, TN is 70.1, as per 2021 ACS 5-Year Estimates. Of the total population, 8.26% were under the age of 15, 4.59% aged 15 to 29, 22.02% aged 30 to 64, 57.80% aged 65 to 84, and 7.34% were 85 years of age and older.