National Register of Historic Places listings in Illinois

This is a list of properties and districts in Illinois that are on the National Register of Historic Places. There are over 1,900 in total. Of these, 85 are National Historic Landmarks. There are listings in all of the state's 102 counties.

Bond County">Bond County, Illinois">Bond County

Carroll County">Carroll County, Illinois">Carroll County

Clay County">Clay County, Illinois">Clay County

Crawford County">Crawford County, Illinois">Crawford County

DuPage County">DuPage County, Illinois">DuPage County

Ford County">Ford County, Illinois">Ford County

Greene County">Greene County, Illinois">Greene County

Hardin County">Hardin County, Illinois">Hardin County

Jackson County">Jackson County, Illinois">Jackson County

Jo Daviess County">Jo Daviess County, Illinois">Jo Daviess County

Kendall County">Kendall County, Illinois">Kendall County

Lawrence County">Lawrence County, Illinois">Lawrence County

McDonough County">McDonough County, Illinois">McDonough County

Macoupin County">Macoupin County, Illinois">Macoupin County

Mason County">Mason County, Illinois">Mason County

Montgomery County">Montgomery County, Illinois">Montgomery County

Peoria County">Peoria County, Illinois">Peoria County

Pope County">Pope County, Illinois">Pope County

Richland County">Richland County, Illinois">Richland County

Sangamon County">Sangamon County, Illinois">Sangamon County

Stark County">Stark County, Illinois">Stark County