The total population of Eustis town is estimated to be 367 with 147 males (40.05%) and 220 females (59.95%). There are 73 more females than males in Eustis town.
In 2022, the population of Eustis town was 670, a 1.82% increase year-by-year from 2021. Previously, in 2021, Eustis town's population was 658, an increase of 2.33% compared to a population of 643 in 2020.
The median age in Eustis, Maine is 40.4, as per 2021 ACS 5-Year Estimates. Of the total population, 16.80% were under the age of 15, 21.58% aged 15 to 29, 39.83% aged 30 to 64, 18.46% aged 65 to 84, and 3.32% were 85 years of age and older.