No. 21 Richest Zip Code: 07458, Saddle River, N.J.

No. households: 3,729
Pct. change in no. households since 2000: 3.96
Average household income: $236,641
Average household net worth: $1,499,115

This Bergen County Zip Code, which includes the affluent boroughs of Saddle River and Upper Saddle River, has many high-end homes, including mansions near the Saddle River, a tributary of the Passaic River. The predominant group is elite couples and singles.

Photography by: Mario Lalich/Getty Images
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