Convoy, OH. Online Offers. Convoy is a village in Van Wert County, Ohio, United States with a population of 1,110 as of the 2000 U.S. census. It is included in the Van Wert, Ohio Micropolitan Statistical Area. Convoy is located at 40°54′59″N 84°42′20″W / 40.91639°N 84.70556°W / 40.91639; -84.70556 (40.916397, -84.705474). According to the United States Census Bureau, the village has a total area of 0.6 square miles (1.5 km²), all of it land.