America has more number of millionaire households than there were a few years ago, according to TNS Global, one of the world’s largest market information companies. As of mid 2006, the total number of millionaire households has increased to a record high of 9.3 million. This is an increase of 5 % from the previous year and it is of note that the number of millionaire households in the U.S. has gone up for the fourth consecutive year. The TNS annual Affluent Market Research Program (AMRP) revealed that the total net worth of millionaires, excluding the value of their primary residence was $2,167,167 with investable assets of $1,442,841. The median age for the head of America’s millionaire household is 58 of which 45 % are retired. TNS Financial Services, a division of TNS, has ranked the country’s top 10 counties that have the highest number of people who earn $1 millio Sell House Quick n or more in salary. The AMRP study is derived from a representative national sample of over 1,600 households with a net worth of $500,000 or more, not including the primary residence. The top 10 counties with the highest number of millionaire residents are: 1. Los Angeles County, California: With 268,136 millionaire households, Los Angeles County has the largest number of millionaires among the counties in the U.S. The County has 23 % of California’s millionaire households and 3 % of those in the country. 2. Cook County, Illinois: Cook County, which includes Chicago, has 171,118 millionaire households forming 40 % of such households in Illinois and 2 % in the nation. 3. Orange County, California: Orange County consists of 10 % of California’s millionaire households with 116,157 millionaire households. It forms 1 % of the nation’s millionaire households. 4.