Woodbridge Township is a township in Middlesex County, New Jersey, United States. As of the 2010 United States Census, the township had a total population of 99,585, reflecting an increase of 2,382 (+2.5%) from the 97,203 counted in the 2000 Census, which had in turn increased by 4,117 (+4.4%) from the 93,086 counted in the 1990 Census. Woodbridge was the sixth-most-populous municipality in New Jersey in 2010, the same ranking it held a decade earlier.