Chesterfield is located at . According to the 2010 census, Chesterfield has a total area of, all land.
Demographics
2010 census
As of the census of 2010, there were 2,547 people, 1,090 households, and 663 families living in the town. The population density was. There were 1,275 housing units at an average density of. The racial makeup of the town was 97.4% White, 0.4% African American, 0.2% Native American, 0.7% Asian, 0.1% from other races, and 1.3% from two or more races. Hispanic or Latino of any race were 1.1% of the population. There were 1,090 households, of which 31.5% had children under the age of 18 living with them, 41.3% were married couplesliving together, 13.6% had a female householder with no husband present, 6.0% had a male householder with no wife present, and 39.2% were non-families. 32.7% of all households were made up of individuals, and 11.8% had someone living alone who was 65 years of age or older. The average household size was 2.28 and the average family size was 2.89. The median age in the town was 39.5 years. 22.8% of residents were under the age of 18; 8.2% were between the ages of 18 and 24; 25.5% were from 25 to 44; 26.3% were from 45 to 64; and 17.3% were 65 years of age or older. The gender makeup of the town was 48.5% male and 51.5% female.
2000 census
As of the census of 2000, there were 2,969 people, 1,269 households, and 808 families living in the town. The population density was 2,586.5 people per square mile. There were 1,365 housing units at an average density of 1,189.1 per square mile. The racial makeup of the town was 98.42% White, 0.40% African American, 0.10% Native American, 0.30% Asian, 0.30% from other races, and 0.47% from two or more races. Hispanic or Latino of any race were 1.38% of the population. There were 1,269 households, out of which 31.3% had children under the age of 18 living with them, 48.3% were married couples living together, 11.4% had a female householder with no husband present, and 36.3% were non-families. 30.8% of all households were made up of individuals, and 11.6% had someone living alone who was 65 years of age or older. The average household size was 2.30 and the average family size was 2.87. In the town, the population was spread out, with 24.2% under the age of 18, 8.5% from 18 to 24, 29.9% from 25 to 44, 22.5% from 45 to 64, and 14.9% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 87.7 males. For every 100 females age 18 and over, there were 84.3 males. The median income for a household in the town was $37,143, and the median income for a family was $47,222. Males had a median income of $35,412 versus $22,966 for females. The per capita income for the town was $18,738. About 2.9% of families and 5.9% of the population were below the poverty line, including 5.9% of those under age 18 and 7.5% of those age 65 or over.
Transport
Chesterfield is served by a variety of major roads.