Muttontown, N.Y.

Overall rank: 13 (tie)
Households: 1,202
Average income: $313,598
Average net worth: $1,603,583
Change in income since 2000: +10%
Income rank: 15
Net worth rank: 30

The upscale community, on Long Island's North Shore and within the town of Oyster Bay, is a quiet village just 25 miles from Manhattan. Muttontown, like adjacent Brookville, was carved from large Gold Coast estates and is now home to affluent young families looking for good schools, tranquility, and privacy—not to mention great golf and tennis.

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