Ashby is a New England town in Middlesex County, Massachusetts, United States. The population was 2,845 as of the 2000 census.

Geography
According to the United States Census Bureau, the town has a total area of 24.2 square miles (62.6 km²), of which, 23.8 square miles (61.6 km²) of it is land and 0.4 square miles (1.0 km²) of it (1.53%) is water.

Demographics
As of the census of 2000, there were 2,845 people, 978 households, and 783 families residing in the town. The population density was 119.6 people per square mile (46.2/km²). There were 1,011 housing units at an average...

Ashby is a New England town in Middlesex County, Massachusetts, United States. The population was 2,845 as of the 2000 census.

Geography
According to the United States Census Bureau, the town has a total area of 24.2 square miles (62.6 km²), of which, 23.8 square miles (61.6 km²) of it is land and 0.4 square miles (1.0 km²) of it (1.53%) is water.

Demographics
As of the census of 2000, there were 2,845 people, 978 households, and 783 families residing in the town. The population density was 119.6 people per square mile (46.2/km²). There were 1,011 housing units at an average density of 42.5/sq mi (16.4/km²). The Race and ethnicity in the United States Census#Race of the town was 98.03% White, 0.28% African American, 0.21% Native American, 0.35% Asian, 0.11% from other races, and 1.02% from two or more races. The Race and ethnicity in the United States Census#Ethnicity was 0.84% Hispanic or Latino. 14.9% were of English people, 14.3% Irish people, 13.9% French people, 13.3% finnish people, 8.2% United States, 7.9% French Canadian, 6.3% italians and 5.4% germans ancestry according to United States Census, 2000.

There were 978 households out of which 39.6% had children under the age of 18 living with them, 68.6% were Marriage living together, 7.9% had a female householder with no husband present, and 19.9% were non-families. 15.1% of all households were made up of individuals and 5.6% had someone living alone who was 65 years of age or older. The average household size was 2.89 and the average family size was 3.25.

In the town the population was spread out with 28.0% under the age of 18, 6.6% from 18 to 24, 31.0% from 25 to 44, 24.9% from 45 to 64, and 9.5% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 100.8 males. For every 100 females age 18 and over, there were 99.1 males.