While separated for census and historic reasons, Bantam is governed as an integral part of the town of Litchfield. Bantam is the 2nd least populous borough in Connecticut, only beaten by Fenwick and is the 3rd least populous Municipality in Connecticut only beaten by Union and Fenwick.
There were 364 households out of which 28.0% had children under the age of 18 living with them, 44.2% were married couples living together, 6.9% had a female householder with no husband present, and 44.5% were non-families. 40.1% of all households were made up of individuals and 25.0% had someone living alone who was 65 years of age or older. The average household size was 2.20 and the average family size was 3.04.
In the borough the population was spread out with 25.8% under the age of 18, 3.0% from 18 to 24, 28.8% from 25 to 44, 22.1% from 45 to 64, and 20.3% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 83.9 males. For every 100 females age 18 and over, there were 84.8 males.
The median income for a household in the borough was $32,167, and the median income for a family was $50,938. Males had a median income of $42,000 versus $30,385 for females. The per capita income for the borough was $18,442. About 3.1% of families and 5.4% of the population were below the poverty line, including 3.1% of those under age 18 and 10.3% of those age 65 or over.
Common ancestries reported were: Irish (21.1%), Italian (14.5%), German (14.0%), English (13.1%), French Canadian (10.1%), French (9.7%).