In 2022, the population of Dana was 35, a 0.00% decrease year-by-year from 2021. Previously, in 2021, Dana's population was 35, a decline of 0.00% compared to a population of 35 in 2020.
The median age in Dana, IA is 42.7, as per 2021 ACS 5-Year Estimates. Of the total population, 16.13% were under the age of 15, 19.35% aged 15 to 29, 45.16% aged 30 to 64, 16.13% aged 65 to 84, and 3.23% were 85 years of age and older.