How well do your know your neighbor?

The Kiplinger financial news website ranked the top states where you can find the highest percentage of millionaires.

About 5.8 percent of the U.S. population qualifies as millionaires, or about 7.2 million households, according to Kiplinger.

Despite being home to Manhattan, New York did not make the top 10 list, ranking 17th with 465,479 millionaire households. Manhattan is the most expensive place to live in the country and has as one of its residents David Koch of Koch Industries, who tops the list of millionaires in New York’s with $51.5 billion.

Nebraska’s richest resident, Warren Buffett, chairman and CEO of Berkshire Hathaway, is worth $8.58 billion and lives in his hometown of Omaha.

Kiplinger’s ranking, in ascending order, are the top states whose populations have the highest percentage of millionaires:

10. California

California has the most millionaires in the country, with 885,225 households. In the San Francisco-Oakland metro area, there are about 25,000 households with more than $5 million in investable assets.