There are 40 US Post Offices in Kanawha County serving a total of 156,769 residents equating to 3,919 residents per post office. It's estimated that approximately 250,221 packages are handled across the 40 county post offices annually. Kanawha County (/k\u0259\u02c8n\u0254\u02d0/ k\u0259-NAW or /k\u0259\u02c8n\u0254\u02d0\u0259/ k\u0259-NAW-\u0259) is a county located in the U.S. state of West Virginia. As of the 2010 census, the population was 193,063, making it the most populous county in West Virginia. Its county seat is Charleston, the state capital. Kanawha County is included in the Charleston, West Virginia Metropolitan Statistical Area."