Nachusa is an unincorporated community in Lee County, Illinois, United States, located 5 miles (8.0 km) east of Dixon.

[3] Nachusa is located on the old C&NW main line between Chicago and Omaha.

Nachusa first appeared as a census designated place in the 2020 U.S.

[6] The name Nachusa is said to be derived from Sac or Fox Indian.

This Lee County, Illinois location article is a stub.