Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Edwards Cemetery | Cemetery | 144 | Williamson | 37 43 44 N | 088 49 02 W |
| Edwards Chapel Cemetery | Cemetery | 187 | Montgomery | 39 04 06 N | 089 29 26 W |
| Edwards County | Civil | 132 | Edwards | 38 25 00 N | 088 03 00 W |
| Edwards County Courthouse | Building | 162 | Edwards | 38 22 39 N | 088 03 26 W |
| Edwards County Fairgrounds | Park | 152 | Edwards | 38 23 00 N | 088 03 39 W |
| Edwards County High School | School | 148 | Edwards | 38 22 34 N | 088 04 03 W |
| Edwards County Memorial Plaza | Park | 161 | Edwards | 38 22 38 N | 088 03 28 W |
| Edwards Family Cemetery | Cemetery | 159 | Clay | 38 40 42 N | 088 40 52 W |
| Edwards Family Cemetery | Cemetery | 171 | Madison | 38 41 40 N | 089 53 41 W |
| Edwards Field | Park | 134 | Williamson | 37 43 46 N | 088 56 36 W |
| Edwards Hall | Building | 243 | McLean | 40 30 36 N | 088 59 32 W |
| Edwards High School | School | 183 | Cook | 41 48 19 N | 087 43 32 W |
| Edwards Lake | Reservoir | 210 | Henry | 41 26 36 N | 090 15 48 W |
| Edwards Lake Dam | Dam | 210 | Henry | 41 26 36 N | 090 15 48 W |
| Edwards River | Stream | | Mercer | 41 08 54 N | 090 58 54 W |
| Edwards School | School | 123 | Franklin | 37 53 50 N | 088 56 12 W |
| Edwards School (historical) | School | 163 | Fayette | 38 54 24 N | 089 02 56 W |
| Edwards School (historical) | School | 219 | Henry | 41 16 26 N | 090 12 10 W |
| Edwards School (historical) | School | 171 | Jackson | 37 55 28 N | 089 29 26 W |
| Edwards Station (historical) | Locale | 122 | Hamilton | 38 01 45 N | 088 30 45 W |
| Edwards Valley School (historical) | School | 222 | Henry | 41 15 06 N | 090 17 47 W |
| Edwardsville | Populated Place | 165 | Madison | 38 48 41 N | 089 57 11 W |
| Edwardsville City Hall | Building | 162 | Madison | 38 48 54 N | 089 57 34 W |
| Edwardsville High School | School | 162 | Madison | 38 48 32 N | 089 57 54 W |
| Edwardsville Junction | Locale | 131 | Madison | 38 50 27 N | 090 05 37 W |
| Edwardsville Junior High School | School | 159 | Madison | 38 48 27 N | 089 58 04 W |
| Edwardsville Post Office | Post Office | 164 | Madison | 38 48 46 N | 089 57 16 W |
| Edwardsville Public Library | Building | 165 | Madison | 38 48 40 N | 089 57 14 W |
| Edwardsville School District Number Seven Sports Complex | Park | 177 | Madison | 38 47 03 N | 089 58 33 W |
| Edwardsville Township Community Park | Park | 173 | Madison | 38 47 03 N | 089 57 56 W |
| Edwin Aldrin Elementary School | School | 245 | Cook | 42 00 46 N | 088 05 43 W |
| Edwin G Bennett Airport | Airport | 206 | Bureau | 41 20 59 N | 089 46 23 W |
| Eells School (historical) | School | 248 | Stephenson | 42 27 59 N | 089 47 07 W |
| Effingham | Populated Place | 181 | Effingham | 39 07 12 N | 088 32 36 W |
| Effingham City Cemetery | Cemetery | 180 | Effingham | 39 07 32 N | 088 31 45 W |
| Effingham City Hall | Building | 180 | Effingham | 39 07 13 N | 088 32 42 W |
| Effingham County | Civil | 174 | Effingham | 39 03 00 N | 088 35 00 W |
| Effingham County Courthouse | Building | 182 | Effingham | 39 07 18 N | 088 32 29 W |
| Effingham County Fairgrounds | Park | 188 | Effingham | 39 03 23 N | 088 44 11 W |
| Effingham County Jail | Building | 183 | Effingham | 39 07 21 N | 088 32 29 W |
| Effingham County Memorial Airport | Airport | 175 | Effingham | 39 04 12 N | 088 31 58 W |
| Effingham High School | School | 179 | Effingham | 39 07 03 N | 088 33 20 W |
| Effingham Post Office | Post Office | 183 | Effingham | 39 07 23 N | 088 32 25 W |
| Effner | Populated Place | 207 | Iroquois | 40 46 14 N | 087 31 34 W |
| Egan | Populated Place | 250 | Ogle | 42 11 18 N | 089 24 21 W |
| Egan Cemetery | Cemetery | 247 | Ogle | 42 10 50 N | 089 24 20 W |
| Egandale (subdivision) | Populated Place | 181 | Cook | 41 48 02 N | 087 36 16 W |
| Egbert Cemetery | Cemetery | 151 | Wayne | 38 20 34 N | 088 40 51 W |
| Egg Bag Creek | Stream | | La Salle | 41 07 43 N | 088 51 59 W |
| Eggenberger School (historical) | School | 221 | Livingston | 40 56 58 N | 088 24 57 W |
| Eggerman Woods County Forest Preserve | Park | 235 | DuPage | 41 45 30 N | 088 05 58 W |
| Eggers Woods | Woods | 178 | Cook | 41 41 07 N | 087 31 45 W |
| Eggerts School (historical) | School | 291 | Stephenson | 42 26 52 N | 089 27 31 W |
| Eggleston Park | Park | 182 | Cook | 42 03 23 N | 087 42 12 W |
| Eggleston School (historical) | School | 197 | Kankakee | 41 08 26 N | 087 56 01 W |
| Egland Field | Airport | 227 | La Salle | 41 12 44 N | 088 41 35 W |
| Egypt School (historical) | School | 201 | Coles | 39 37 34 N | 088 02 08 W |
| Egypt School (historical) | School | 231 | Knox | 40 57 18 N | 090 14 40 W |
| Egypt School (historical) | School | 204 | McDonough | 40 19 18 N | 090 32 42 W |
| Egypt School (historical) | School | 191 | Montgomery | 39 06 01 N | 089 20 04 W |
| Egypt School (historical) | School | 178 | Schuyler | 40 09 55 N | 090 41 38 W |
| Egypt School (historical) | School | 132 | Union | 37 20 56 N | 089 11 52 W |
| Egypt Shores | Populated Place | 162 | Williamson | 37 36 13 N | 088 55 25 W |
| Egypt Temple of God | Church | 179 | Cook | 41 45 29 N | 087 36 47 W |
| Egypt Union Church | Church | 155 | Mason | 40 22 23 N | 089 44 33 W |
| Egyptian Acres | Populated Place | 156 | Williamson | 37 36 00 N | 088 55 03 W |
| Egyptian Country Club | Locale | 133 | Pulaski | 37 08 30 N | 089 11 28 W |
| Egyptian Hills | Populated Place | 169 | Johnson | 37 35 20 N | 088 53 15 W |
| Egyptian Senior High School | School | 108 | Alexander | 37 13 40 N | 089 19 28 W |
| Ehe Cemetery | Cemetery | 168 | Adams | 39 52 31 N | 091 20 25 W |
| Ehlert Park | Park | 190 | Cook | 41 48 43 N | 087 50 51 W |
| Ehrhart School (historical) | School | 206 | Macon | 39 50 49 N | 088 52 16 W |
| Eicher Airport | Airport | 229 | Winnebago | 42 22 30 N | 089 04 12 W |
| Eicher Landing Strip | Airport | 232 | Winnebago | 42 22 18 N | 089 04 08 W |
| Eichholz School (historical) | School | 134 | Perry | 38 09 37 N | 089 22 48 W |
| Eichmeyer School (historical) | School | 194 | Macoupin | 39 01 17 N | 089 43 38 W |
| Eichorn | Populated Place | 130 | Hardin | 37 29 28 N | 088 24 19 W |
| Eiden Park | Park | 183 | Cook | 42 01 56 N | 087 40 53 W |
| Eidman School (historical) | School | 155 | Tazewell | 40 29 40 N | 089 41 34 W |
| Eifrig Hall | Building | 192 | Cook | 41 53 58 N | 087 48 37 W |
| Eighty-Third Street Park | Park | 227 | DuPage | 41 44 11 N | 088 03 06 W |
| Eightyseventh Street Church of Christ | Church | 188 | Cook | 41 44 07 N | 087 40 18 W |
| Eileen | Populated Place | 171 | Grundy | 41 17 39 N | 088 16 16 W |
| Eiler Cemetery | Cemetery | 214 | Shelby | 39 22 18 N | 088 59 06 W |
| Eilers Lake | Reservoir | 213 | Adams | 40 10 42 N | 091 03 30 W |
| Eilers Lake Dam | Dam | 213 | Adams | 40 10 42 N | 091 03 30 W |
| Einstein Elementary School | School | 183 | Cook | 41 49 31 N | 087 36 29 W |
| Einstein Park | Park | 200 | Cook | 42 02 03 N | 087 55 45 W |
| Eisenhower Elementary School | School | 182 | Cook | 41 36 19 N | 087 35 21 W |
| Eisenhower Elementary School | School | 193 | Morgan | 39 44 12 N | 090 16 03 W |
| Eisenhower Elementary School | School | 195 | Will | 41 31 02 N | 088 02 06 W |
| Eisenhower High School | School | 182 | Cook | 41 39 42 N | 087 41 44 W |
| Eisenhower High School | School | 204 | Macon | 39 49 43 N | 088 56 05 W |
| Eisenhower Junior High School | School | 238 | Cook | 42 03 49 N | 088 05 59 W |
| Eisenhower Junior High School | School | 236 | DuPage | 41 45 10 N | 087 58 49 W |
| Eisenhower Middle School | School | 240 | Winnebago | 42 17 26 N | 089 02 25 W |
| Eisenhower Park | Park | 198 | DuPage | 41 53 56 N | 087 53 58 W |
| Eisenhower School | School | 184 | Cook | 41 34 21 N | 087 33 16 W |
| Eisenhower Tower | Building | 211 | McDonough | 40 27 19 N | 090 40 33 W |
| Eisenmayer Auditorium | Building | 156 | St. Clair | 38 36 24 N | 089 48 55 W |
| Eisner Park | Park | 234 | Champaign | 40 07 03 N | 088 16 05 W |
| Ekvall Hall | Building | 254 | Winnebago | 42 16 15 N | 089 00 57 W |
| El Buen Pastor Evangelical Lutheran Church | Church | 183 | Cook | 41 55 23 N | 087 43 15 W |
| El Dara | Populated Place | 224 | Pike | 39 37 21 N | 090 59 30 W |
| El Mesias United Methodist Church | Church | 229 | Kane | 42 02 13 N | 088 16 42 W |
| El Morro Park | Park | 207 | Cook | 41 36 33 N | 087 46 00 W |
| El Paso | Populated Place | 229 | Woodford | 40 44 21 N | 089 00 59 W |
| El Paso Cemetery | Cemetery | 225 | Woodford | 40 44 36 N | 088 59 51 W |
| El Paso Christian Church | Church | 229 | Woodford | 40 44 26 N | 089 01 07 W |
| El Paso City Hall | Building | 229 | Woodford | 40 44 20 N | 089 01 06 W |