Raritan is a village in Henderson County, Illinois, United States. The population was 140 at the 2000 census. It is part of the Burlington, IA–IL Micropolitan Statistical Area.
Raritan is located at 40°41′48″N 90°49′34″W / 40.69667°N 90.82611°W / 40.69667; -90.82611 (40.696535, -90.826079).
According to the United States Census Bureau, the village has a total area of 0.1 square miles (0.3 km²), all of it land.