In 2022, the population of Lamont was 78, a 2.63% increase year-by-year from 2021. Previously, in 2021, Lamont's population was 76, a decline of 0.00% compared to a population of 76 in 2020.
The median age in Lamont, WA is 45.6, as per 2021 ACS 5-Year Estimates. Of the total population, 14.29% were under the age of 15, 12.38% aged 15 to 29, 63.81% aged 30 to 64, 9.52% aged 65 to 84, and 0.00% were 85 years of age and older.