In 2022, the population of Ravinia was 65, a 3.17% increase year-by-year from 2021. Previously, in 2021, Ravinia's population was 63, a decline of 3.08% compared to a population of 65 in 2020.
The median age in Ravinia, SD is 52.9, as per 2021 ACS 5-Year Estimates. Of the total population, 21.05% were under the age of 15, 12.28% aged 15 to 29, 36.84% aged 30 to 64, 29.82% aged 65 to 84, and 0.00% were 85 years of age and older.