 The borough is bordered by the Bergen County municipalities of Allendale on the southeast, Mahwah on the north, west, and southwest and by Saddle River and Upper Saddle River on the east.The Census Bureau's 2006–2010 American Community Survey showed that (in 2010 inflation-adjusted dollars) median household income was $111,549 (with a margin of error of +/- $8,131) and the median family income was $136,475 (+/- $2,642).Males had a median income of $90,326 (+/- $5,483) versus $63,234 (+/- $6,177) for females.