 In the same census, 3.0% of Ridgefield's residents identified themselves as being of Croatian ancestry.This was the third highest percentage of people with Croatian ancestry in any place in New Jersey with 1,000 or more residents identifying their ancestry.2.4% of Ridgefield's residents identified themselves as being of Armenian ancestry, the 16th highest percentage of Armenian people in any place in the United States with 1,000 or more residents identifying their ancestry.