Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Enterprise School (historical) | School | 201 | Livingston | 40 55 07 N | 088 36 20 W |
| Enterprise School (historical) | School | 203 | Macoupin | 39 10 30 N | 089 46 45 W |
| Enterprise School (historical) | School | 106 | Massac | 37 15 15 N | 088 47 39 W |
| Enterprise School (historical) | School | 225 | McLean | 40 42 39 N | 088 47 43 W |
| Enterprise School (historical) | School | 192 | Montgomery | 39 07 44 N | 089 34 00 W |
| Enterprise School (historical) | School | 210 | Piatt | 40 04 08 N | 088 42 26 W |
| Enterprise School (historical) | School | 199 | Rock Island | 41 38 32 N | 090 11 37 W |
| Enterprise School (historical) | School | 179 | Sangamon | 39 42 45 N | 089 40 01 W |
| Entwistle Airport | Airport | 213 | La Salle | 41 06 56 N | 089 02 41 W |
| Entyre School | School | 217 | Ogle | 42 00 50 N | 089 20 43 W |
| Eola | Populated Place | 220 | DuPage | 41 46 39 N | 088 14 34 W |
| Eola School | School | 221 | DuPage | 41 47 06 N | 088 14 33 W |
| Ephesians Missionary Baptist Church | Church | 229 | Winnebago | 42 17 10 N | 089 06 26 W |
| Ephphatha Lutheran Church of the Deaf | Church | 179 | Cook | 41 44 58 N | 087 36 55 W |
| Epiphany Catholic Church | Church | 237 | McLean | 40 30 40 N | 088 58 23 W |
| Epiphany Church | Church | 220 | Peoria | 40 50 38 N | 089 37 47 W |
| Epiphany Evangelical Lutheran Church | Church | 204 | DuPage | 41 52 57 N | 087 57 00 W |
| Epiphany Grade School | School | 239 | McLean | 40 30 40 N | 088 58 18 W |
| Epiphany Roman Catholic Church | Church | 182 | Cook | 41 50 44 N | 087 43 47 W |
| Epiphany School | School | 182 | Cook | 41 50 44 N | 087 43 49 W |
| Epiphany United Church of Christ | Church | 182 | Cook | 41 56 59 N | 087 40 44 W |
| Episcopal Church of Our Saviour | Church | 212 | DuPage | 41 53 39 N | 087 56 20 W |
| Epley Family Cemetery | Cemetery | 113 | White | 37 56 37 N | 088 06 39 W |
| Eppards Point Church (historical) | Church | 202 | Livingston | 40 49 42 N | 088 41 58 W |
| Eppards Point Townhall | Building | 206 | Livingston | 40 48 03 N | 088 38 32 W |
| Epperson Run | Stream | | Bureau | 41 22 24 N | 089 29 42 W |
| Epplyanna | Populated Place | 258 | Stephenson | 42 25 30 N | 089 26 39 W |
| Epworth | Populated Place | 120 | White | 38 04 14 N | 088 06 22 W |
| Epworth Church | Church | 265 | Kane | 42 02 56 N | 088 20 31 W |
| Epworth United Methodist Church | Church | 181 | Cook | 41 58 41 N | 087 39 22 W |