In 2022, the population of Rinard was 31, a 3.12% decrease year-by-year from 2021. Previously, in 2021, Rinard's population was 32, a decline of 0.00% compared to a population of 32 in 2020.
The median age in Rinard, IA is 65.5, as per 2021 ACS 5-Year Estimates. Of the total population, 7.69% were under the age of 15, 2.56% aged 15 to 29, 38.46% aged 30 to 64, 48.72% aged 65 to 84, and 2.56% were 85 years of age and older.