he Washington Post created an interactive map that ranks the nation's super zip codes. Naperville's 60540 scored 96 with a median household income of $105,650 and 67 percent are college graduates. According to the Washington Post:
"A Zip’s ranking is a number between 0 and 99 representing the average of its percentile ranks in college education and in income. The 650 Zips with rankings of 95 and higher are called Super Zips."