Oakland County in Metro Detroit, once rated amongst the wealthiest US counties per household, is no longer shown in the top 25 listing of Forbes magazine. But internal county statistical methods—based on measuring per capita income for counties with more than one million residents—show Oakland is still within the top 12, slipping from the fourth-most affluent such county in the U.S. in 2004 to 11th-most affluent in 2009.Hopkins, Carol (March 28, 2010).Oakland still ranks among the nation's wealthiest counties . Daily Tribune. Retrieved November 27, 2011. Detroit dominates Wayne County, which has an average household income of about $38,000, compared to Oakland County's $62,000.
