 Within a number of caves in this valley a new species of fish, a type of troglomorphic sculpin, was identified in 2003 by Luis Espinasa, an associate professor of biology at Marist College.As of the census of 2000, there were 2,136 people, 689 households, and 580 families residing in the township.The population density was 62.7 people per square mile (24.2/km2).