Porter, Robert Percival. Preliminary Results as Contained in the Eleventh Census Bulletins: Volume III — 51 to 75 [Архівовано 2 січня 2016 у Wayback Machine.], p. 98. Бюро перепису населення США, 1890. Accessed 15 липня 2013. Population for South Orange Township is listed as 3,911 for 1880 and 4,970 for 1890, which includes the population of South Orange borough, listed as 2,178 in 1880 and 3,106 in 1890. Subtraction yields a total of 1,733 for 1880 and 1,864 for 1890. The total shown in the table for 1890 of 1,078 excludes the 1890 population of 786 for Vailsburg.
Porter, Robert Percival. Preliminary Results as Contained in the Eleventh Census Bulletins: Volume III — 51 to 75 [Архівовано 2 січня 2016 у Wayback Machine.], p. 98. Бюро перепису населення США, 1890. Accessed 15 липня 2013. Population for South Orange Township is listed as 3,911 for 1880 and 4,970 for 1890, which includes the population of South Orange borough, listed as 2,178 in 1880 and 3,106 in 1890. Subtraction yields a total of 1,733 for 1880 and 1,864 for 1890. The total shown in the table for 1890 of 1,078 excludes the 1890 population of 786 for Vailsburg.