Source
Last year, America's millionaire population grew by 7.3%, with Houston growing most with an increase of 9.6%.
Here's the list!
1. New York City 720,000 (+7.9%) % of adult pop: 4.65%
2. Los Angeles 256,500 (+8.8%) 2.50%
3. Chicago 212,300 (+7.1%) 2.79%
4. Washington DC 164,400 (+7.9%) 3.71%
5. San Francisco 147,400 (+6.6%) 4.14%
6. Philadelphia 110,400 (+6.0%) 2.28%
7. Boston 109,800 (+7.3%) 2.90%
8. Houston 96,700 (+9.6%) 2.13%
9. Detroit 92,100 (+3.4%) 2.60%
10. San Jose 88,800 (+2.7%) 6.05%
* Bay Area Total 236,200 *
Surprisingly, the Bay area together grew the least of any metro outside of Detroit with 5.07% growth. This is made even more surprising since the Bay is the tech capital of the country and in the past year or so tech has been booming.