Using five-year averages from the US Census Bureau, Time's study showed that 63.7-percent of Chappaqua make more than $150,000 per year.
The study was limited to zip codes that have at least 10,000 residents.
A pair of Connecticut towns also made Time's list.
The Weston, Conn., 06883 zip code ranked third in the nation with 67.3-percent of households making more than $150,000.
Also nearby, Darien's 06820 zip code was ranked eighth on the list with 59.7-percent of households make more than $150,000.
The richest zip code in the Time study was 07078 in Short Hills, N.J. with 69.4-percent of households making more than $150,000.
Click here to read the full Time Magazine report.
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