Prairie Illinois

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About us

The American Institute of Architects Prairie Chapter provides services and programs to meet the needs and interests of Illinois architects and develop public awareness of the value of architects and architecture.  Our members are leaders in building healthy, sustainable communities that will serve our citizens into the future.


To elevate the practice of architecture through design excellence.


To increase the value of Illinois architecture through civic and professional engagement.

Supporting Members in 89 Counties

Adams, Alexander, Bond, Boone, Brown, Bureau, Calhoun, Carroll, Cass, Champaign, Christian, Clark, Clay, Clinton, Coles, Crawford, Cumberland, DeKalb, De Witt, Douglas, Edgar, Edwards, Effingham, Fayette, Franklin, Fulton, Gallatin, Greene, Hamilton, Hancock, Hardin, Henderson, Henry, Jackson, Jasper, Jefferson, Jersey, Jo Daviess, Johnson, Knox, Lawrence, Lee, Logan, McDonough, McLean, Macon, Macoupin, Madison, Marion, Marshall, Mason, Massac, Menard, Mercer, Monroe, Montgomery, Morgan, Moultrie, Ogle, Peoria, Perry, Piatt, Pike, Pope, Pulaski, Putnam, Randolph, Richland, Rock Island, St. Clair, Saline, Sangamon, Schuyler, Scott, Shelby, Stark, Stephenson, Tazewell, Union, Vermilion, Wabash, Warren, Washington, Wayne, White, Whiteside, Williamson, Winnebago, Woodford