In 2022, the population of Lebanon was 31, a 3.12% decrease year-by-year from 2021. Previously, in 2021, Lebanon's population was 32, a decline of 0.00% compared to a population of 32 in 2020.
The median age in Lebanon, SD is 29.3, as per 2021 ACS 5-Year Estimates. Of the total population, 27.06% were under the age of 15, 45.88% aged 15 to 29, 21.18% aged 30 to 64, 3.53% aged 65 to 84, and 2.35% were 85 years of age and older.