Littleton Common is a census-designated place (CDP) in the town of Littleton in Middlesex County, Massachusetts, United States. The population was 3,065 at the 2020 census,
Geography
Littleton Common is located in northwestern Middlesex County at (42.536606, -71.471984), in the eastern part of the town Littleton. It is bordered to the northeast by the town of Westford and to the northwest by Interstate 495, with access from Exit 79 (Routes 2A and 110) and Exit 80 (Route 119). It is bordered to the southwest by Harwood Avenue and to the southeast by Newtown Road, Shaker Lane, and Power Road.
Massachusetts Route 2A and 110 (King Street) go to the west out of the community, leading to Ayer, and Routes 2A and 119 (Great Road) leave to the southeast, leading to West Concord. Route 110 leads northeast to Lowell, and Route 119 leads northwest to Groton.
According to the United States Census Bureau, the CDP has a total area of , of which are land and (4.40%) are water.
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2020 census
As of the 2020 census, Littleton Common had a population of 3,065. The median age was 45.0 years. 20.8% of residents were under the age of 18 and 18.5% of residents were 65 years of age or older. For every 100 females there were 90.3 males, and for every 100 females age 18 and over there were 87.8 males age 18 and over.
96.6% of residents lived in urban areas, while 3.4% lived in rural areas.
There were 1,241 households in Littleton Common, of which 30.6% had children under the age of 18 living in them. Of all households, 53.7% were married-couple households, 14.2% were households with a male householder and no spouse or partner present, and 26.3% were households with a female householder and no spouse or partner present. About 25.9% of all households were made up of individuals and 12.4% had someone living alone who was 65 years of age or older.
Of the 1,098 households 32.3% had children under the age of 18 living with them, 58.6% were married couples living together, 8.8% had a female householder with no husband present, and 29.5% were non-families. 23.6% of households were one person and 9.2% were one person aged 65 or older. The average household size was 2.56 and the average family size was 3.05.
The age distribution was 24.0% under the age of 18, 5.1% from 18 to 24, 34.1% from 25 to 44, 23.9% from 45 to 64, and 12.9% 65 or older. The median age was 39 years. For every 100 females, there were 91.8 males. For every 100 females age 18 and over, there were 93.2 males.
The median household income was $60,323 and the median family income was $69,375. Males had a median income of $46,806 versus $38,571 for females. The per capita income for the CDP was $26,966. About 4.7% of families and 5.2% of the population were below the poverty line, including 1.9% of those under age 18 and 4.9% of those age 65 or over.