As of the census of 2000, there were 1,397 people, 431 households, and 334 families living in the town.
 The population density was 34.7 people per square mile (13.4/km²).
 There were 470 housing units at an average density of 11.7 per square mile (4.5/km²).
 The racial makeup of the town was 98.28% White, 0.72% African American, 0.29% Native American, 0.21% Asian, and 0.50% from two or more races.
Hispanic or Latino of any race were 0.21% of the population.

There were 431 households, out of which 34.6% had children under the age of 18 living with them, 66.6% were married couples living together, 5.8% had a female householder with no husband present, and 22.3% were non-families.
18.3% of all households were made up of individuals, and 5.8% had someone living alone who was 65 years of age or older.
 The average household size was 2.65 and the average family size was 2.92.

In the town, the population was spread out, with 24.1% under the age of 18, 10.1% from 18 to 24, 34.3% from 25 to 44, 24.2% from 45 to 64, and 7.4% who were 65 years of age or older.
 The median age was 36 years.
For every 100 females, there were 109.8 males.
 For every 100 females age 18 and over, there were 115.7 males.

The median income for a household in the town was $36,053, and the median income for a family was $39,625.
Males had a median income of $31,250 versus $20,735 for females.
The per capita income for the town was $14,832.
 About 6.7% of families and 10.5% of the population were below the poverty line, including 14.8% of those under age 18 and 4.0% of those age 65 or over.
As of the census of 2000, there were 1,397 people, 431 households, and 334 families living in the town.  The population density was 34.7 people per square mile (13.4/km²).  There were 470 housing units at an average density of 11.7 per square mile (4.5/km²).  The racial makeup of the town was 98.28% White, 0.72% African American, 0.29% Native American, 0.21% Asian, and 0.50% from two or more races. Hispanic or Latino of any race were 0.21% of the population.
There were 431 households, out of which 34.6% had children under the age of 18 living with them, 66.6% were married couples living together, 5.8% had a female householder with no husband present, and 22.3% were non-families. 18.3% of all households were made up of individuals, and 5.8% had someone living alone who was 65 years of age or older.  The average household size was 2.65 and the average family size was 2.92.
In the town, the population was spread out, with 24.1% under the age of 18, 10.1% from 18 to 24, 34.3% from 25 to 44, 24.2% from 45 to 64, and 7.4% who were 65 years of age or older.  The median age was 36 years. For every 100 females, there were 109.8 males.  For every 100 females age 18 and over, there were 115.7 males.
The median income for a household in the town was $36,053, and the median income for a family was $39,625. Males had a median income of $31,250 versus $20,735 for females. The per capita income for the town was $14,832.  About 6.7% of families and 10.5% of the population were below the poverty line, including 14.8% of those under age 18 and 4.0% of those age 65 or over.
Charleston, Maine