John Nill lived in enumeration district 1241 which belongs to the Brooklyn tract 421.

This tract has a total population of 5700, which is an increase of 682 since 1910. There are 1415 whites who are 3rd (or higher) generation immigrants, which is about 25% of the total. There are 2 black residents in this tract, which is less than 1% of the total population. The largest white ethnic group in this tract is German . They have a population of 1995, which comprises about 35% of the total tract population. About 35% of the German residents are 1st generation. Russians are the second largest with 670 ( 12% ), and Italians are the third with 627 ( 11% ). The first generation immigrants make up about 44% and 46% of these groups, respectively. There are 154.1 persons per acre in this tract, which is an increase of 18.4 since 1910. About 16% of families own their homes.