Illinois Gazetteer
| Arches | 6 |
| Areas | 14 |
| Bars | 21 |
| Basins | 17 |
| Bays | 41 |
| Beaches | 27 |
| Bends | 23 |
| Canals | 279 |
| Capes | 24 |
| Channels | 23 |
| Cliffs | 44 |
| Crossings | 52 |
| Falls | 6 |
| Flats | 37 |
| Gaps | 2 |
| Guts | 110 |
| Islands | 334 |
| Lakes | 870 |
| Levees | 11 |
| Pillars | 2 |
| Plains | 1 |
| Ranges | 7 |
| Rapids | 1 |
| Reservoirs | 1,095 |
| Ridges | 55 |
| Springs | 39 |
| Streams | 2,697 |
| Summits | 218 |
| Swamps | 63 |
| Valleys | 237 |
| Woods | 152 |
| Airports | |
| Public and Private Airports | 418 |
| Heliports | 244 |
| Seaplane Bases and Anchorages | 6 |
| Cemeteries | 6,782 |
| Education - Schools | |
| Other Schools | 1,580 |
| Elementary Schools | 1,901 |
| Middle Schools | 621 |
| High Schools | 723 |
| Colleges & University | 200 |
| Technical & Trade School | 69 |
| Emergency Response & Law Enforcement | |
| Ambulance Service | 265 |
| Fire Station & EMS Station | 1,818 |
| Law Enforcement | 804 |
| Prisons & Correctional Facilities | 51 |
| Federal Lands & Reserves | |
| National Cemeteries | 7 |
| Forests | 1 |
| Parks | 4 |
| Wilderness Areas | 8 |
| Wildlife Areas | 13 |
| Government Services | |
| City or Town Hall | 801 |
| Court House | 110 |
| Post Offices | 1,328 |
| Hospitals & Medical Centers | 214 |
| Public Landmarks & Attractions | |
| Campgrounds | 13 |
| Picnic Areas | 11 |
| Trailheads | 72 |
| Visitor Centers | 3 |
| Beaches | 2 |
| Canals | 4 |
| Civil | 67 |
| Crossings | 20 |
| Flats | 1 |
| Islands | 5 |
| Lakes | 73 |
| Military (Historical) | 28 |
| Populated Places | 184 |
| Reservoirs | 3 |
| Streams | 4 |
| Swamps | 3 |
| Valleys | 2 |
| Woods | 23 |
| Illinois's National Historic Landmarks | |
|---|---|
| 82 | |
