The total population of Sandyville is estimated to be 46 with 26 males (56.52%) and 20 females (43.48%). There are 6 less females than males in Sandyville.
In 2022, the population of Sandyville was 59, a 3.51% increase year-by-year from 2021. Previously, in 2021, Sandyville's population was 57, a decline of 0.00% compared to a population of 57 in 2020.
The median age in Sandyville, IA is 32.3, as per 2021 ACS 5-Year Estimates. Of the total population, 36.07% were under the age of 15, 1.64% aged 15 to 29, 54.10% aged 30 to 64, 8.20% aged 65 to 84, and 0.00% were 85 years of age and older.