Johnston County is lying in the state of North Carolina. With an area of 795 square miles, Johnston County is one of the larger counties in the state, while in regards to population it is near the top with 12,196 inhabitants. Johnston County's population density of suburban makes it one of the most heavily populated areas in the state. The county's largest city is Clayton, with a population of 32,155.
Johnston County is one of the more affluent regions in the state. The median income for Johnston County residents is $39,535, putting the area in in the top half of all counties in North Carolina. Reflecting this, the average house value in Johnston County is $93,346, slightly above the state average of $104,755.
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