Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Ellison Bar | Bar | 158 | Henderson | 40 46 12 N | 091 04 15 W |
| Ellison Creek | Stream | | Henderson | 40 45 43 N | 091 04 16 W |
| Ellison Creek Diverson Ditch | Canal | 161 | Henderson | 40 46 27 N | 091 02 05 W |
| Ellison School (historical) | School | 213 | Henderson | 40 44 57 N | 090 51 57 W |
| Ellison School (historical) | School | 219 | Warren | 40 46 07 N | 090 45 49 W |
| Ellison Valley School (historical) | School | 158 | Henderson | 40 47 37 N | 091 02 48 W |
| Ellisville | Populated Place | 168 | Fulton | 40 37 36 N | 090 18 18 W |
| Ellisville Cemetery | Cemetery | 171 | Fulton | 40 37 53 N | 090 18 18 W |
| Ellisville Station | Locale | 163 | Fulton | 40 38 55 N | 090 16 51 W |
| Ellsberry Lake | Lake | 179 | Mason | 40 14 07 N | 089 43 20 W |
| Ellsworth | Populated Place | 264 | McLean | 40 27 01 N | 088 43 00 W |
| Ellsworth (subdivision) | Populated Place | 196 | Cook | 41 55 40 N | 087 48 40 W |
| Ellsworth Cemetery | Cemetery | 293 | Lee | 41 43 03 N | 088 59 22 W |
| Ellsworth Creek | Stream | | Whiteside | 41 41 44 N | 089 55 31 W |
| Ellsworth Industrial Park | Locale | 219 | DuPage | 41 47 26 N | 088 02 48 W |
| Ellsworth School | School | 220 | DuPage | 41 46 38 N | 088 08 28 W |
| Ellwood School | School | 267 | DeKalb | 41 56 04 N | 088 44 20 W |
| Elm Creek | Stream | | Adams | 40 05 15 N | 091 08 59 W |
| Elm Creek | Stream | | Clay | 38 35 57 N | 088 24 46 W |
| Elm Creek | Stream | | Crawford | 39 06 25 N | 087 48 31 W |
| Elm Creek | Stream | | Fulton | 40 09 16 N | 090 16 24 W |
| Elm Creek | Stream | | Macoupin | 39 07 10 N | 089 59 17 W |
| Elm Creek | Stream | | Wayne | 38 23 29 N | 088 41 49 W |
| Elm Dale Cemetery | Cemetery | 168 | Greene | 39 20 33 N | 090 27 01 W |
| Elm Elementary School | School | 209 | DuPage | 41 46 49 N | 087 55 21 W |
| Elm Grove (historical) | Populated Place | 112 | White | 37 59 42 N | 088 07 29 W |
| Elm Grove (historical) | Woods | 212 | Edgar | 39 35 01 N | 087 52 43 W |
| Elm Grove Cemetery | Cemetery | 201 | Tazewell | 40 30 22 N | 089 32 27 W |
| Elm Grove Church | Church | 207 | Adams | 40 08 30 N | 090 56 27 W |
| Elm Grove Church | Church | 159 | Marion | 38 33 45 N | 088 47 32 W |
| Elm Grove School (historical) | School | 223 | Adams | 40 02 28 N | 091 16 18 W |
| Elm Grove School (historical) | School | 213 | Adams | 40 07 36 N | 090 56 32 W |
| Elm Grove School (historical) | School | 144 | Calhoun | 39 22 48 N | 090 48 27 W |
| Elm Grove School (historical) | School | 169 | Fayette | 38 59 15 N | 089 12 47 W |
| Elm Grove School (historical) | School | 177 | Greene | 39 20 05 N | 090 14 33 W |
| Elm Grove School (historical) | School | 129 | Hamilton | 38 07 55 N | 088 32 30 W |
| Elm Grove School (historical) | School | 220 | Hancock | 40 35 14 N | 090 55 31 W |
| Elm Grove School (historical) | School | 213 | Hancock | 40 15 28 N | 091 20 39 W |
| Elm Grove School (historical) | School | 209 | Hancock | 40 14 21 N | 091 02 25 W |
| Elm Grove School (historical) | School | 210 | Macon | 39 48 14 N | 088 57 13 W |
| Elm Grove School (historical) | School | 216 | McDonough | 40 30 09 N | 090 50 51 W |
| Elm Grove School (historical) | School | 187 | Menard | 40 04 41 N | 089 34 43 W |
| Elm Grove School (historical) | School | 189 | Morgan | 39 39 04 N | 090 19 22 W |
| Elm Grove School (historical) | School | 213 | Pike | 39 44 33 N | 091 07 32 W |
| Elm Grove School (historical) | School | 174 | Randolph | 37 52 56 N | 089 45 07 W |
| Elm Grove Townhall | Building | 220 | Tazewell | 40 32 03 N | 089 32 26 W |
| Elm Grove United Brethren Church (historical) | Church | 214 | McDonough | 40 30 33 N | 090 50 16 W |
| Elm Island | Island | 133 | Schuyler | 40 07 40 N | 090 20 56 W |
| Elm Island Ditch | Canal | 187 | Henry | 41 24 38 N | 089 52 37 W |
| Elm Junior High School | School | 190 | Cook | 41 54 49 N | 087 48 59 W |
| Elm Lake | Lake | 132 | Perry | 38 00 42 N | 089 25 43 W |
| Elm Lawn Cemetery | Cemetery | 208 | Bureau | 41 22 48 N | 089 28 16 W |
| Elm Lawn Cemetery | Cemetery | 204 | DuPage | 41 54 47 N | 087 55 40 W |
| Elm Lawn Memorial Park | Cemetery | 208 | Montgomery | 39 10 59 N | 089 37 58 W |
| Elm Park | Park | 195 | Cook | 42 03 52 N | 087 48 37 W |
| Elm Park | Park | 227 | Kane | 41 53 49 N | 088 17 44 W |
| Elm Place School | School | 204 | Lake | 42 11 24 N | 087 47 50 W |
| Elm Point (historical) | Populated Place | 186 | Bond | 39 00 21 N | 089 28 25 W |
| Elm Point Branch | Stream | | Bond | 38 59 32 N | 089 30 15 W |
| Elm Point Cemetery | Cemetery | 186 | Bond | 38 59 22 N | 089 28 25 W |
| Elm Point School (historical) | School | 186 | Bond | 39 00 20 N | 089 28 24 W |
| Elm Point School (historical) | School | 146 | Washington | 38 25 14 N | 089 19 50 W |
| Elm River | Stream | | Wayne | 38 23 41 N | 088 13 29 W |
| Elm River Church | Church | 130 | Wayne | 38 30 39 N | 088 17 09 W |
| Elm River Drainage Ditch | Canal | 116 | Wayne | 38 27 37 N | 088 16 20 W |
| Elm River Townhall | Building | 126 | Wayne | 38 30 40 N | 088 18 45 W |
| Elm School | School | 187 | Cook | 41 48 38 N | 087 48 52 W |
| Elm School (historical) | School | 132 | Perry | 38 03 10 N | 089 12 03 W |
| Elm School (historical) | School | 232 | Whiteside | 41 55 17 N | 089 51 41 W |
| Elm Springs Park Lake Number 4 | Reservoir | 195 | Moultrie | 39 35 54 N | 088 42 36 W |
| Elm Springs Park Lake Number 4 Dam | Dam | 195 | Moultrie | 39 35 54 N | 088 42 36 W |
| Elm Street Christian Church | Church | 150 | Richland | 38 43 42 N | 088 04 35 W |
| Elm Street Presbyterian Church | Church | 195 | Madison | 38 55 16 N | 090 11 10 W |
| Elm Tree School (historical) | School | 175 | Fulton | 40 26 12 N | 090 01 51 W |
| Elmdale School (historical) | School | 170 | Greene | 39 20 34 N | 090 27 02 W |
| Elmendorf School (historical) | School | 194 | Whiteside | 41 41 10 N | 089 44 19 W |
| Elmer H Franzen Elementary School | School | 214 | DuPage | 41 58 43 N | 088 01 13 W |
| Elmgrove School (historical) | School | 117 | White | 38 00 07 N | 088 07 15 W |
| Elmhurst | Populated Place | 209 | DuPage | 41 53 58 N | 087 56 25 W |
| Elmhurst Cemetery | Cemetery | 193 | Will | 41 31 02 N | 088 03 01 W |
| Elmhurst Christian Reformed Church | Church | 206 | DuPage | 41 52 16 N | 087 56 16 W |
| Elmhurst College | School | 212 | DuPage | 41 53 45 N | 087 56 50 W |
| Elmhurst Country Club (historical) | Locale | 208 | DuPage | 41 56 38 N | 087 59 18 W |
| Elmhurst Crossing Shopping Center | Locale | 204 | DuPage | 41 53 32 N | 087 57 37 W |
| Elmhurst Presbyterian Church | Church | 207 | DuPage | 41 53 23 N | 087 56 57 W |
| Elmhurst Quarry | Mine | 195 | DuPage | 41 54 01 N | 087 57 34 W |
| Elmhurst Salt Creek County Forest Preserve | Park | 201 | DuPage | 41 53 31 N | 087 57 48 W |
| Elmira | Populated Place | 237 | Stark | 41 10 47 N | 089 49 54 W |
| Elmira Cemetery | Cemetery | 234 | Stark | 41 10 41 N | 089 49 48 W |
| Elmira Station | Locale | 184 | Cook | 41 54 49 N | 087 42 42 W |
| Elmira United Presbyterian Church | Church | 237 | Stark | 41 10 46 N | 089 49 57 W |
| Elmore | Populated Place | 187 | Peoria | 40 57 24 N | 089 58 37 W |
| Elmore Stock Farm Pond | Reservoir | 210 | Peoria | 40 58 30 N | 089 57 48 W |
| Elmore Stock Farm Pond Dam | Dam | 210 | Peoria | 40 58 30 N | 089 57 48 W |
| Elmoville | Populated Place | 220 | Jo Daviess | 42 15 56 N | 090 02 49 W |
| Elms Nursing Home | Hospital | 213 | McDonough | 40 26 43 N | 090 39 41 W |
| Elms Shopping Center | Locale | 217 | Cook | 42 05 15 N | 087 59 21 W |
| Elmwood | Populated Place | 196 | Peoria | 40 46 40 N | 089 57 59 W |
| Elmwood (subdivision) | Populated Place | 266 | Lake | 42 12 53 N | 088 05 36 W |
| Elmwood Baptist Church | Church | 197 | Peoria | 40 46 46 N | 089 58 29 W |
| Elmwood Cemetery | Cemetery | 232 | Champaign | 40 19 07 N | 088 09 52 W |
| Elmwood Cemetery | Cemetery | 151 | Clay | 38 39 50 N | 088 29 29 W |
| Elmwood Cemetery | Cemetery | 191 | Cook | 41 55 57 N | 087 49 50 W |
| Elmwood Cemetery | Cemetery | 268 | DeKalb | 41 58 54 N | 088 41 52 W |
| Elmwood Cemetery | Cemetery | 129 | Gallatin | 37 44 59 N | 088 21 46 W |
| Elmwood Cemetery | Cemetery | 305 | Jo Daviess | 42 29 48 N | 090 00 20 W |
| Elmwood Cemetery | Cemetery | 206 | Kankakee | 41 15 05 N | 087 49 21 W |
| Elmwood Cemetery | Cemetery | 188 | Kendall | 41 38 55 N | 088 27 15 W |
| Elmwood Cemetery | Cemetery | 147 | Marion | 38 32 31 N | 089 07 22 W |
| Elmwood Cemetery | Cemetery | 164 | Menard | 40 05 01 N | 089 45 03 W |