In 2022, the population of Peak was 52, a 0.00% decrease year-by-year from 2021. Previously, in 2021, Peak's population was 52, an increase of 1.96% compared to a population of 51 in 2020.
The median age in Peak, SC is 63.3, as per 2021 ACS 5-Year Estimates. Of the total population, 13.64% were under the age of 15, 10.23% aged 15 to 29, 31.82% aged 30 to 64, 44.32% aged 65 to 84, and 0.00% were 85 years of age and older.