In 2022, the population of Blaine was 67, a 2.90% decrease year-by-year from 2021. Previously, in 2021, Blaine's population was 69, a decline of 0.00% compared to a population of 69 in 2020.
The median age in Blaine, KY is 42.5, as per 2021 ACS 5-Year Estimates. Of the total population, 12.33% were under the age of 15, 15.07% aged 15 to 29, 64.38% aged 30 to 64, 6.85% aged 65 to 84, and 1.37% were 85 years of age and older.