Hopkinton is a census-designated place (CDP) in Washington County, Rhode Island, United States, comprising the central village in the town of Hopkinton.

The 2020 United States census counted 475 people, 212 households, and 152 families in Hopkinton.

There were 226 housing units at an average density of 68.4 per square mile (26.4/km2).

46.2% of households consisted of individuals and 27.8% had someone living alone who was 65 years of age or older.

[9] The percent of those with a bachelor's degree or higher was estimated to be 19.6% of the population.