 Incomes vary by county . The median family income in Cuyahoga County is $ 54 @,@ 506 , where the Cleveland Clinic is the single largest employer . Cleveland also has emerging biotechnology and financial concentrations . It is also worthwhile to note that while some cities in Ohio have declining populations , the overall growth in per capita income in Ohio increased by 4 @.@ 6 % from 2005 to 2006 . 
