Hardwick is a town in Caledonia County, Vermont, United States. The population was 3,010 at the 2010 census. It contains the incorporated village of Hardwick and the unincorporated villages of East Hardwick and Mackville. The town is a commercial center for the region's farming population.The main settlement of Hardwick in the center of the town is a census-designated place, with a population of 1,345 at the 2010 census.