*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.
http://money.cnn.com/galleries/2007/...ies/index.html
No. 1
Los Angeles County, California
Number of millionaire households: 268,138
Percentage of state's millionaire households: 23%
Percentage of nation's millionaire households: 3%
No. 2
Cook County, Illinois
Number of millionaire households: 171,118
Percentage of state's millionaire households: 40%
Percentage of nation's millionaire households: 2%
No. 3
Orange County, California
Number of millionaire households: 116,157
Percentage of state's millionaire households: 10%
Percentage of nation's millionaire households: 1%
No. 4
Maricopa County, Arizona
Number of millionaire households: 113,414
Percentage of state's millionaire households: 62%
Percentage of nation's millionaire households: 1%
No. 5
San Diego County, California
Number of millionaire households: 102,138
Percentage of state's millionaire households: 9%
Percentage of nation's millionaire households: 1%
No. 6
Harris County, Texas
Number of millionaire households: 99,504
Percentage of state's millionaire households: 16%
Percentage of nation's millionaire households: 1%
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%
No. 8
Santa Clara County, California
Number of millionaire households: 74,824
Percentage of state's millionaire households: 6%
Percentage of nation's millionaire households: 1%
No. 9
Palm Beach County, Florida
Number of millionaire households: 71,221
Percentage of state's millionaire households: 11%
Percentage of nation's millionaire households: 1%
No. 10
King County, Washington
Number of millionaire households: 68,390
Percentage of state's millionaire households: 33%
Percentage of nation's millionaire households: 1%