In 2022, the population of Clayton was 9, a 12.50% increase year-by-year from 2021. Previously, in 2021, Clayton's population was 8, a decline of 0.00% compared to a population of 8 in 2020.
The median age in Clayton, ID is 0.0, as per 2021 ACS 5-Year Estimates. Of the total population, 0.00% were under the age of 15, 0.00% aged 15 to 29, 0.00% aged 30 to 64, 100.00% aged 65 to 84, and 0.00% were 85 years of age and older.