In 2022, the population of Opal was 64, a 0.00% decrease year-by-year from 2021. Previously, in 2021, Opal's population was 64, a decline of 0.00% compared to a population of 64 in 2020.
The median age in Opal, WY is 54.3, as per 2021 ACS 5-Year Estimates. Of the total population, 4.23% were under the age of 15, 1.41% aged 15 to 29, 78.87% aged 30 to 64, 15.49% aged 65 to 84, and 0.00% were 85 years of age and older.