Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| El Paso Golf Club | Locale | 219 | Woodford | 40 40 50 N | 088 59 34 W |
| El Paso High School | School | 226 | Woodford | 40 44 41 N | 089 01 06 W |
| El Paso Post Office | Post Office | 231 | Woodford | 40 44 18 N | 089 01 21 W |
| El Paso Public Library | Building | 229 | Woodford | 40 44 22 N | 089 01 07 W |
| El Paso United Methodist Church | Church | 229 | Woodford | 40 44 27 N | 089 00 45 W |
| El Sierra Elementary School | School | 232 | DuPage | 41 45 43 N | 087 59 57 W |
| El Vista | Populated Place | 194 | Peoria | 40 43 44 N | 089 37 45 W |
| El Vista Baptist Church | Church | 211 | Peoria | 40 45 47 N | 089 39 22 W |
| El-Bethel Baptist Church | Church | 183 | Cook | 41 47 29 N | 087 37 34 W |
| Ela Township Soccer Fields | Park | 265 | Lake | 42 12 23 N | 088 05 07 W |
| Elba | Populated Place | 112 | Gallatin | 37 49 35 N | 088 19 35 W |
| Elba Cemetery | Cemetery | 221 | Knox | 40 51 06 N | 090 02 32 W |
| Elba Center | Populated Place | 216 | Knox | 40 50 39 N | 090 02 35 W |
| Elba Chapel | Church | 208 | Knox | 40 50 42 N | 090 03 45 W |
| Elba School (historical) | School | 193 | Knox | 40 48 54 N | 090 02 36 W |
| Elbethel Christian Center | Church | 228 | Cook | 42 00 09 N | 088 02 43 W |
| Elbow | Populated Place | 134 | Richland | 38 38 32 N | 088 07 18 W |
| Elbow Lake (historical) | Lake | 132 | Brown | 39 53 56 N | 090 33 51 W |
| Elbridge | Populated Place | 213 | Edgar | 39 30 45 N | 087 34 58 W |
| Elbridge Oil Field | Oilfield | 215 | Edgar | 39 30 55 N | 087 35 25 W |
| Elburn | Populated Place | 260 | Kane | 41 53 32 N | 088 28 20 W |
| Elburn County Forest Preserve | Forest | 268 | Kane | 41 53 47 N | 088 29 27 W |
| Elburn Post Office | Post Office | 259 | Kane | 41 53 36 N | 088 28 25 W |
| Elburn Run | Stream | | Kane | 41 51 30 N | 088 27 29 W |
| Elcaballero Elegante School | School | 182 | Cook | 41 50 40 N | 087 42 42 W |
| Elco | Populated Place | 112 | Alexander | 37 18 02 N | 089 15 57 W |
| Elco Election Precinct | Civil | 175 | Alexander | 37 17 55 N | 089 17 15 W |
| Elco Post Office | Post Office | 112 | Alexander | 37 18 02 N | 089 15 57 W |
| Eldena | Populated Place | 244 | Lee | 41 46 16 N | 089 24 36 W |
| Eldena School (historical) | School | 239 | Lee | 41 46 22 N | 089 25 17 W |
| Elder Cemetery | Cemetery | 172 | Marion | 38 47 24 N | 088 43 34 W |
| Elder Grove School (historical) | School | 206 | Hancock | 40 32 24 N | 090 55 58 W |
| Elder Grove School (historical) | School | 172 | Logan | 40 15 45 N | 089 30 39 W |
| Elder Hall | Building | 182 | Cook | 42 03 39 N | 087 40 40 W |
| Elder Lane Park | Park | 186 | Cook | 42 05 56 N | 087 42 58 W |
| Elder School (historical) | School | 168 | Marion | 38 42 15 N | 088 48 45 W |
| Elderville | Populated Place | 204 | Hancock | 40 19 49 N | 091 17 41 W |
| Eldorado | Populated Place | 120 | Saline | 37 48 49 N | 088 26 17 W |
| Eldorado Cemetery | Cemetery | 284 | Stephenson | 42 28 59 N | 089 36 49 W |
| Eldorado City Hall | Building | 120 | Saline | 37 48 45 N | 088 26 31 W |
| Eldorado High School | School | 131 | Saline | 37 49 13 N | 088 26 08 W |
| Eldorado Middle School | School | 132 | Saline | 37 49 02 N | 088 26 41 W |
| Eldorado Oil Field | Oilfield | 127 | Saline | 37 50 10 N | 088 26 15 W |
| Eldorado Post Office | Post Office | 119 | Saline | 37 48 46 N | 088 26 15 W |
| Eldorado Reservoir | Reservoir | 128 | Saline | 37 49 22 N | 088 29 40 W |
| Eldorado Reservoir Dam | Dam | 128 | Saline | 37 49 22 N | 088 29 40 W |
| Eldorado School | School | 201 | Macon | 39 49 53 N | 088 53 16 W |
| Eldorado School (historical) | School | 183 | Fayette | 38 55 49 N | 088 51 50 W |
| Eldorado School (historical) | School | 264 | Ogle | 42 02 24 N | 089 36 24 W |
| Eldorado School (historical) | School | 286 | Stephenson | 42 29 00 N | 089 36 48 W |
| Eldorado Townhall | Building | 204 | McDonough | 40 19 18 N | 090 30 23 W |
| Eldred | Populated Place | 137 | Greene | 39 17 15 N | 090 33 08 W |
| Eldred Cemetery | Cemetery | 135 | Greene | 39 18 50 N | 090 33 05 W |
| Eldred Hollow | Valley | | Greene | 39 18 26 N | 090 33 02 W |
| Eldred Levee | Levee | 130 | Greene | 39 12 52 N | 090 35 20 W |
| Eldred Memorial Gardens | Cemetery | 201 | Greene | 39 17 29 N | 090 32 35 W |
| Eldredgeville Post Office (historical) | Post Office | 213 | Ford | 40 59 49 N | 088 09 05 W |
| Eldridge | Populated Place | 190 | Kankakee | 41 09 34 N | 087 43 12 W |
| Eldridge Cemetery | Cemetery | 195 | Jersey | 39 03 52 N | 090 09 52 W |
| Eldridge Park | Park | 202 | DuPage | 41 52 00 N | 087 57 05 W |
| Eldridge School (historical) | School | 201 | DuPage | 41 52 31 N | 087 57 17 W |
| Eldridge School (historical) | School | 195 | Jersey | 39 04 08 N | 090 09 52 W |
| Eleanor | Populated Place | 207 | Warren | 40 58 58 N | 090 41 42 W |
| Electricity Building (historical) | Building | 182 | Cook | 41 46 48 N | 087 34 48 W |
| Elementary Tutoring Service Center | School | 238 | Peoria | 40 46 04 N | 089 36 11 W |
| Elerding Cemetery | Cemetery | 179 | La Salle | 41 32 43 N | 088 40 36 W |
| Eleroy | Populated Place | 277 | Stephenson | 42 19 57 N | 089 45 38 W |
| Eleroy Cemetery | Cemetery | 270 | Stephenson | 42 20 28 N | 089 45 31 W |
| Eleroy Post Office | Post Office | 275 | Stephenson | 42 20 00 N | 089 45 38 W |
| Eleventh Street Plaza Shopping Center | Locale | 223 | Winnebago | 42 13 39 N | 089 04 16 W |
| Elfstrom Stadium | Park | 234 | Kane | 41 52 48 N | 088 16 58 W |
| Elgin | Populated Place | 227 | Kane | 42 02 14 N | 088 16 52 W |
| Elgin Academy | School | 235 | Kane | 42 02 29 N | 088 16 40 W |
| Elgin Campus National - Louis University | School | 246 | Kane | 42 04 19 N | 088 17 42 W |
| Elgin Church | Church | 251 | Kane | 42 03 37 N | 088 19 37 W |
| Elgin City Hall | Building | 220 | Kane | 42 02 23 N | 088 17 06 W |
| Elgin Community College | School | 248 | Kane | 42 01 05 N | 088 19 20 W |
| Elgin Corporate Center | Locale | 266 | Kane | 42 04 00 N | 088 20 45 W |
| Elgin Country Club | Locale | 283 | Kane | 42 01 49 N | 088 20 47 W |
| Elgin Fire Barn Number 5 Museum | Building | 236 | Kane | 42 01 32 N | 088 16 10 W |
| Elgin Fire Station Number 1 | Building | 240 | Kane | 42 02 48 N | 088 16 10 W |
| Elgin Fire Station Number 2 | Building | 242 | Kane | 42 03 31 N | 088 17 49 W |
| Elgin Fire Station Number 3 | Building | 260 | Kane | 42 03 07 N | 088 20 19 W |
| Elgin Fire Station Number 4 | Building | 250 | Kane | 42 01 08 N | 088 18 49 W |
| Elgin Fire Station Number 5 | Building | 223 | Cook | 42 01 40 N | 088 15 33 W |
| Elgin High School | School | 228 | Cook | 42 01 37 N | 088 14 42 W |
| Elgin Mental Health Center | Hospital | 228 | Kane | 42 00 54 N | 088 17 39 W |
| Elgin Post Office | Post Office | 226 | Kane | 42 02 18 N | 088 16 58 W |
| Elgin Public Museum | Building | 241 | Cook | 42 02 33 N | 088 15 44 W |
| Elgin School (historical) | School | 193 | Iroquois | 40 49 04 N | 087 42 41 W |
| Elgin Shores County Forest Preserve | Park | 220 | Kane | 42 01 04 N | 088 16 55 W |
| Elgin Sports Complex | Park | 248 | Kane | 42 01 14 N | 088 18 06 W |
| Elgin State Hospital Cemetery | Cemetery | 235 | Kane | 42 01 06 N | 088 17 55 W |
| Elgin Toll Plaza | Locale | 251 | Kane | 42 04 13 N | 088 18 24 W |
| Elias Bragg Cemetery | Cemetery | 198 | Knox | 40 48 04 N | 090 16 57 W |
| Elias Clark Cemetery | Cemetery | 195 | Brown | 39 56 29 N | 090 37 57 W |
| Elida Post Office (historical) | Post Office | 259 | Winnebago | 42 12 31 N | 089 13 53 W |
| Elijah Muhammad House | Building | 181 | Cook | 41 48 22 N | 087 35 45 W |
| Elijah P Lovejoy Library | Building | 174 | Madison | 38 47 38 N | 089 59 51 W |
| Elijah Wentworth Tavern (historical) | Building | 178 | Cook | 41 53 15 N | 087 38 23 W |
| Elim Baptist Church | Church | 189 | Cook | 41 41 44 N | 087 43 12 W |
| Elim Baptist Church | Church | 260 | Winnebago | 42 15 12 N | 089 00 25 W |
| Elim Christian School | School | 186 | Cook | 41 39 18 N | 087 45 35 W |
| Elim Covenant Church | Church | 183 | Rock Island | 41 30 41 N | 090 27 56 W |
| Elim Evangelical Free Church | Church | 189 | Cook | 41 42 39 N | 087 43 52 W |
| Elim Lake | Reservoir | 186 | Moultrie | 39 36 00 N | 088 42 42 W |
| Elim Lake Dam | Dam | 186 | Moultrie | 39 36 00 N | 088 42 42 W |
| Elim Pentecostal Holiness Church | Church | 209 | Cook | 41 29 32 N | 087 37 49 W |
| Eliza | Populated Place | 212 | Mercer | 41 17 45 N | 090 58 04 W |
| Eliza Creek | Stream | | Mercer | 41 10 09 N | 091 00 20 W |