Wilder is an unincorporated village and census-designated place (CDP) within the town of Hartford in Windsor County, Vermont, United States.

[4] 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.

[3] The village, originally known as Olcott Falls, is unique as an early planned community developed in part by Charles Wilder, owner of a local paper mill in the 1880s.

[7] As of the earliest years of the 20th century, the local paper mill was operated by International Paper and Wilder boasted a railroad station, a post office, several retail stores, and electric street lighting.

It includes examples of Queen Anne and Colonial Revival style architecture with houses dating from the late 19th century to the 1950s.

This area is largely residential, with only a few commercial buildings and the local public library among the exceptions.

29.7% of all households were made up of individuals, and 11.0% had someone living alone who was 65 years of age or older.