Raum, John O. The History of New Jersey: From Its Earliest Settlement to the Present Time, Volume 1, p. 270, J. E. Potter and company, 1877. Accessed November 10, 2013. "Landis was created a township in 1864, from the township of Millville. Its population in 1870 was 7,079. The thriving town of Vineland is in this township. It is a place of considerable note having increased greater in population than any other city in the state."
Fifteenth Census of the United States : 1930 - Population Volume I, United States Census Bureau, p. 715. Accessed February 8, 2012. Totals for 1910-1930 represent combined population of Landis township (6,435 in 1910, 10,402 in 1920 and 14,047 in 1930) and Vineland borough (5,282 in 1910, 6,432 in 1920 and 7,556 in 1930).
Barnett, Bob. Population Data for Cumberland County Municipalities, 1810 - 2010, WestJersey.org. January 6, 2011. Accessed October 24, 2012. Totals for 1880-1900 represent combined population of Landis township (3,486 in 1880, 3,855 in 1890 and 4,721 in 1900) and Vineland borough (2,519 in 1880, 3,822 in 1890 and 4,370 in 1900).