Donovan is a village in Beaver Township, Iroquois County, Illinois, United States.

According to the 2021 census gazetteer files, Donovan has a total area of 0.33 square miles (0.85 km2), all land.

[7] As of the 2020 census[4] there were 251 people, 99 households, and 64 families residing in the village.

There were 126 housing units at an average density of 384.15 per square mile (148.32/km2).

27.27% of all households were made up of individuals, and 15.15% had someone living alone who was 65 years of age or older.