2020 census As of the
2020 census, Townsend had a population of 2,717. The median age was 33.6 years. 31.5% of residents were under the age of 18 and 6.9% of residents were 65 years of age or older. For every 100 females there were 98.2 males, and for every 100 females age 18 and over there were 98.6 males age 18 and over. 0.0% of residents lived in urban areas, while 100.0% lived in rural areas. There were 766 households in Townsend, of which 64.2% had children under the age of 18 living in them. Of all households, 68.8% were married-couple households, 10.7% were households with a male householder and no spouse or partner present, and 13.3% were households with a female householder and no spouse or partner present. About 6.8% of all households were made up of individuals and 2.0% had someone living alone who was 65 years of age or older. Of the 132 households 36.4% had children under the age of 18 living with them, 59.1% were married couples living together, 9.8% had a female householder with no husband present, and 28.0% were non-families. 20.5% of households were one person and 7.6% were one person aged 65 or older. The average household size was 2.62 and the average family size was 3.06. The age distribution was 26.9% under the age of 18, 7.8% from 18 to 24, 32.1% from 25 to 44, 20.5% from 45 to 64, and 12.7% 65 or older. The median age was 36 years. For every 100 females, there were 92.2 males. For every 100 females age 18 and over, there were 88.8 males. The median household income was $47,500 and the median family income was $48,875. Males had a median income of $27,250 versus $28,409 for females. The per capita income for the town was $17,671. About 2.1% of families and 1.7% of the population were below the
poverty line, including none of those under age 18 and 8.7% of those age 65 or over. ==Notable people==