In 2022, the population of Putnam was 27, a 3.57% decrease year-by-year from 2021. Previously, in 2021, Putnam's population was 28, a decline of 0.00% compared to a population of 28 in 2020.
The median age in Putnam, OK is 54.3, as per 2021 ACS 5-Year Estimates. Of the total population, 8.45% were under the age of 15, 0.00% aged 15 to 29, 84.51% aged 30 to 64, 7.04% aged 65 to 84, and 0.00% were 85 years of age and older.