http://en.wikipedia.org/wiki/River_Vale,_New_JerseyThe median income for a household in the township was $95,129, and the median income for a family was $105,919. Males had a median income of $77,794 versus $39,732 for females. The per capita income for the township was $40,709. 2.8% of the population and 2.4% of families were below the poverty line. Out of the total population, 2.1% of those under the age of 18 and 5.3% of those 65 and older were living below the poverty line.