The Census Bureau's 2006-2010 American Community Survey showed that (in 2010 inflation-adjusted dollars) median household income was $59,784 (with a margin of error of +/- $12,149) and the median family income was $76,618 (+/- $5,428).
As of the 2000 Census, 16.31% of Ridgefield's residents identified themselves as being of Korean ancestry, which was the sixth highest in the United States and fourth highest of any municipality in New Jersey - behind Palisades Park (36.38%),