State statistics number the 1886 enrolled students of the College of New Jersey at 238.
New Jersey state government figures indicated that in 1866, the College of New Jersey had 238 students, mostly from New Jersey, Pennsylvania, and Maryland and was in a healthy financial condition. In a completely unrelated statistic, the number of 1886 inmates of the state penitentiary was 543, housed in 334 cells designed for solitary confinement. (By John Osborne)
"New Jersey," The American Cyclopedia and Register of Important Events of the Year 1866 (New York: D. Appleton and Company, 1873), 538-539.