Super ZIP codes are the ones in which the percentile ranks in income and college education average at least 95, according to a formula devised by the Washington Post. It identified 650 super ZIP codes across the country.
In addition to Greenwich, there are two super ZIP codes in Fairfield and one each in Stamford, Darien, New Canaan, Norwalk, Westport, Wilton, Ridgefield, Easton, Weston and Redding.
ZIP codes that had the highest possible score of 99 include Old Greenwich (06870), New Canaan (06840), Darien (06820), Rowayton (06853), Wilton (06897), Westport (06880) and Weston (06883)
Here are the nation’s largest contiguous Super ZIP collections, and their nearest major city or area, ranked by number of households.
1. Washington 2. East Manhattan 3. San Jose 4. Boston 5. Oakland 6. Bridgeport 7. Newark 8. Chicago 9. North of Los Angeles 10. Long Island 11. West Manhattan 12. Trenton 13. Philadelphia 14. San Diego 15. South of Los Angeles
Read the full Washington Post report here.
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