White River Junction is an unincorporated village and census-designated place (CDP) in the town of Hartford in Windsor County, Vermont, United States. The population was 2,528 at the 2020 census, up from 2,286 in 2010, making it the largest community within the town of Hartford. The village includes the White River Junction Historic District, a historic district listed on the National Register of Historic Places in 1980 and whose boundaries increased in 2002. The historic district reflects the urban architecture of the area from the late 19th century and early 20th century. The district is bounded by the Central Vermont railroad tracks, Gates Street, and South Main Street. It includes at least 29 contributing and non-contributing buildings. Notable buildings include the Coolidge Hotel, the First National Bank building, a U.S. Post Office building, and the White River Junction Fire House, showing examples of Greek Revival, Colonial Revival, Richardsonian Romanesque, Italianate, and Romanesque architecture.