Wilder is an unincorporated village and census-designated place within the town of Hartford in Windsor County, Vermont, United States. It is the location of the Wilder Dam on the Connecticut River. The population of the CDP was 1,690 at the 2010 census. The village center is an early example of a planned mill community, and was listed on the National Register of Historic Places as the Wilder Village Historic District in 1999.