Brooklyn is a town in Clay Township, Morgan County, Indiana, United States. The population was 1,598 at the 2010 census.
There were 580 households of which 40.3% had children under the age of 18 living with them, 58.4% were married couples living together, 15.2% had a female householder with no husband present, 4.8% had a male householder with no wife present, and 21.6% were non-families. 16.9% of all households were made up of individuals and 5.5% had someone living alone who was 65 years of age or older. The average household size was 2.76 and the average family size was 3.05.
The median age in the town was 34.7 years. 28.1% of residents were under the age of 18; 8.5% were between the ages of 18 and 24; 26.5% were from 25 to 44; 25.8% were from 45 to 64; and 11% were 65 years of age or older. The gender makeup of the town was 50.4% male and 49.6% female.