| Society Name | Address | City | State | URL | URL2 | URL3 |
|---|---|---|---|---|---|---|
| Champaign-Urbana Astronomical Society | Staerkel Planetarium/Parkland College2400 West Bradley Avenue | Champaign | Illinois | https://www.cuas.org | ||
| Fox Valley Sky Watchers | 164 Hilltop Lane | Sleepy Hollow | Illinois | |||
| Northwest Suburban Astronomers | PO Box 95462 | Palatine | Illinois | https://www.nsaclub.org/ | ||
| Peoria Astronomical Society | PO BOX 10111 | Peoria | Illinois | http://www.astronomical.org | ||
| Popular Astronomy Club | 11 Deer Run Road | Orion | Illinois | https://www.popularastronomyclub.org/ | ||
| Rockford Amateur Astronomers, Inc. | 5209 Safford Road | Rockford | Illinois | https://rockfordamateurastronomers.com | ||
| St. Louis Astronomical Society | 13128 Cozyhill Drive | St. Louis | Missouri | http://www.slasonline.org | ||
| Twin City Amateur Astronomers, Inc. | 1109 N. Linden St. | Normal | Illinois | https://www.tcaa.club/ |