Top 10 millionaire counties

TNS Financial Services, a market research and polling firm, ranks the nation's top 10 counties with the highest number of millionaire households, which have a net worth of at least $1 million, not including the value of a resident's home.

Nassau County, New York
Oyster Bay
No. 7
Nassau County, New York
Number of millionaire households: 79,704
Percentage of state's millionaire households: 13%
Percentage of nation's millionaire households: 1%

L.A.

Cook

Orange

Maricopa

San Diego

Harris

Nassau

Santa Clara

Palm Beach

King
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