Ridgefield, Illinois

Ridgefield is an unincorporated community and census-designated place in McHenry County, Illinois, United States. Ridgefield is 3 mi northwest of Crystal Lake. It was named a CDP before the 2020 census, at which time it had a population of 210.

Ridgefield hosts a small number of antique shops in a small crossroads business district. Ridgefield also has a large grain storage facility and a retail hardware store. Metra commuter trains pass through Ridgefield on their way to Chicago from Woodstock, Illinois without stopping, though there are currently shelved plans to build a station here.

History
A post office called Ridgefield was first established in 1858. The community was named from the ridges near the town site.

Demographics
Ridgefield first appeared as a census designated place in the 2020 U.S. Census.