The total population of Truesdale is estimated to be 141 with 98 males (69.50%) and 43 females (30.50%). There are 55 less females than males in Truesdale.
In 2022, the population of Truesdale was 64, a 3.03% decrease year-by-year from 2021. Previously, in 2021, Truesdale's population was 66, a decline of 0.00% compared to a population of 66 in 2020.
The median age in Truesdale, IA is 10.5, as per 2021 ACS 5-Year Estimates. Of the total population, 51.85% were under the age of 15, 19.14% aged 15 to 29, 22.84% aged 30 to 64, 4.94% aged 65 to 84, and 1.23% were 85 years of age and older.