Central Ohio continues to have the lowest unemployment rate among the state’s metropolitan areas. The unemployment rate for the region fell to 4 percent in July from 4.2 percent in June, according to an Ohio Department of Job and Family Services report released this morning.adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-NATIONAL_WORLD","nativepaywallcategory" : "NATIVE_PREM-NATIONAL_WORLD"};