Iselin is located in Middlesex County, NJ. The population is 20,193, making Iselin the 7th largest city in Middlesex County.
There are 6 public schools in Iselin with an average Homefacts rating of A-. The total crime rate for Iselin is very low , and there are 5 registered sex offenders residing in the city. Unemployment in Iselin is moderate and the median home sales price is $0. Detailed and up-to-date Iselin property reports are available for any property address.
Cities near Iselin include Woodbridge Township, Colonia and Fords.