In 2022, the population of Wood was 42, a 0.00% decrease year-by-year from 2021. Previously, in 2021, Wood's population was 42, a decline of 2.33% compared to a population of 43 in 2020.
The median age in Wood, SD is 52.6, as per 2021 ACS 5-Year Estimates. Of the total population, 17.19% were under the age of 15, 7.81% aged 15 to 29, 54.69% aged 30 to 64, 12.50% aged 65 to 84, and 7.81% were 85 years of age and older.