 Van Wert County comprises the Van Wert, OH Micropolitan Statistical Area, which is included within the Lima-Van Wert-Celina, OH Combined Statistical Area.According to the U.S. Census Bureau, the county has a total area of , of which is land and (0.3%) is water.As of the census of 2000, there were 29,659 people, 11,587 households, and 8,354 families living in the county.