The total population of Monroe town is estimated to be 103 with 45 males (43.69%) and 58 females (56.31%). There are 13 more females than males in Monroe town.
In 2022, the population of Monroe town was 115, a 0.86% decrease year-by-year from 2021. Previously, in 2021, Monroe town's population was 116, a decline of 0.00% compared to a population of 116 in 2020.
The median age in Monroe, Massachusetts is 58.9, as per 2021 ACS 5-Year Estimates. Of the total population, 15.79% were under the age of 15, 10.53% aged 15 to 29, 52.63% aged 30 to 64, 17.54% aged 65 to 84, and 3.51% were 85 years of age and older.