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No. 4 Richest Zip Code: 90210, Beverly Hills, Calif.

Where the 1 Percent Lives No. 50 Richest Zip Code: 94507, Alamo, Calif. No. 49 Richest Zip Code: 10538, Larchmont, N.Y. No. 48 Richest Zip Code: 22039, Fairfax Station, Va. No. 47 Richest Zip Code: 20815, Chevy Chase, Md. No. 46 Richest Zip Code: 07021, Essex Fells, N.J. No. 45 Richest Zip Code: 11576, Roslyn, N.Y. No. 44 Richest Zip Code: 10580, Rye, N.Y. No. 43 Richest Zip Code: 10576, Pound Ridge, N.Y. No. 42 Richest Zip Code: 11765, Mill Neck, N.Y. No. 41 Richest Zip Code: 94506, Danville, Calif. No. 40 Richest Zip Code: 33149, Key Biscayne, Fla. No. 39 Richest Zip Code: 10504, Armonk, N.Y. No. 38 Richest Zip Code: 07417, Franklin Lakes, N.J. No. 38 Richest Zip Code: 07417, Franklin Lakes, N.J. No. 37 Richest Zip Code: 10514, Chappaqua, N.Y. No. 36 Richest Zip Code: 06820, Darien, Conn. No. 35 Richest Zip Code: 10583, Scarsdale, N.Y. No. 34 Richest Zip Code: 91108, San Marino, Calif. No. 33 Richest Zip Code: 95030, Los Gatos, Calif. No. 32 Richest Zip Code: 94304, Palo Alto, Calif. No. 31 Richest Zip Code: 90274, Palos Verdes Peninsula, Calif. No. 30 Richest Zip Code: 19085, Villanova, Pa. No. 29 Richest Zip Code: 20854, Potomac, Md. No. 28 Richest Zip Code: 11797, Woodbury, N.Y. No. 27 Richest Zip Code: 06878, Riverside, Conn. No. 26 Richest Zip Code: 06883, Weston, Conn. No. 25 Richest Zip Code: 22102, McLean, Va. No. 24 Richest Zip Code: 02030, Dover, Mass. No. 23 Richest Zip Code: 94024, Los Altos, Calif. No. 22 Richest Zip Code: 10506, Bedford, N.Y. No. 21 Richest Zip Code: 07458, Saddle River, N.J. No. 20 Richest Zip Code: 30327, Atlanta, Ga. No. 19 Richest Zip Code: 06840, New Canaan, Conn. No. 18 Richest Zip Code: 95070, Saratoga, Calif. No. 17 Richest Zip Code: 90272, Pacific Palisades, Calif. No. 16 Richest Zip Code: 02493, Weston, Mass. No. 15 Richest Zip Code: 11030, Manhasset, N.Y. No. 14 Richest Zip Code: 60093, Winnetka, Ill. No. 13 Richest Zip Code: 60045, Lake Forest, Ill. No. 12 Richest Zip Code: 22066, Great Falls, Va. No. 11 Richest Zip Code: 92657, Newport Coast, Calif. No. 10 Richest Zip Code: 90402, Santa Monica, Calif. No. 9 Richest Zip Code: 94022, Los Altos, Calif. No. 8 Richest Zip Code: 10577, Purchase, N.Y. No. 7 Richest Zip Code: 19035, Gladwyne, Pa. No. 6 Richest Zip Code: 90077, Los Angeles, Calif. No. 5 Richest Zip Code: 94028, Portola Valley, Calif. No. 4 Richest Zip Code: 90210, Beverly Hills, Calif. No. 3 Richest Zip Code: 60043, Kenilworth, Ill. No. 2 Richest Zip Code: 11568, Old Westbury, N.Y. No. 1 Richest Zip Code: 33480, Palm Beach, Fla.

No. 4 Richest Zip Code: 90210, Beverly Hills, Calif.

No. households: 9,245
Pct. change in no. households since 2000: 3.71
Average household income: $278,757
Average household net worth: $1,504,166

This neighborhood near the foothills of the Santa Monica Mountains, made famous by the television series Beverly Hills, 90210, is dominated by opulent homes. Rodeo Drive, between Wilshire Boulevard and Sunset Boulevard, has an area of large houses referred to as the Flats, as well as a posh shopping district, according to Sotheby's International Realty. Zillow.com estimates that in September, 90210's median home value was $2,557,700. The area is adjacent to the sixth-richest Zip Code, 90077. The predominant residents of 90210 are executives and professionals in their 40s and 50s with no children.

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