Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Eliza Creek Cemetery | Cemetery | 199 | Mercer | 41 16 38 N | 090 59 54 W |
| Eliza Creek School (historical) | School | 184 | Mercer | 41 15 58 N | 090 59 48 W |
| Eliza Kelly Elementary School | School | 166 | Will | 41 30 58 N | 088 05 05 W |
| Eliza Lake Ditch Cutoff | Canal | 161 | Mercer | 41 13 38 N | 091 01 60 W |
| Elizabeth | Populated Place | 244 | Jo Daviess | 42 19 04 N | 090 13 17 W |
| Elizabeth A Conkey Forest | Forest | 189 | Cook | 41 38 56 N | 087 45 43 W |
| Elizabeth Blackwell Elementary School | School | 255 | Cook | 42 01 52 N | 088 07 52 W |
| Elizabeth Cudahy Memorial Library | Building | 179 | Cook | 42 00 03 N | 087 39 25 W |
| Elizabeth Ide Elementary School | School | 233 | DuPage | 41 44 47 N | 087 59 32 W |
| Elizabeth Lake | Lake | 242 | McHenry | 42 30 30 N | 088 16 15 W |
| Elizabeth Lake Nature Preserve | Park | 242 | McHenry | 42 29 25 N | 088 17 07 W |
| Elizabeth Meyer School | School | 184 | Cook | 42 01 42 N | 087 44 05 W |
| Elizabeth Morris Elementary School | School | 125 | St. Clair | 38 33 12 N | 090 10 27 W |
| Elizabeth Park | Park | 189 | Lake | 42 27 41 N | 087 49 16 W |
| Elizabeth Titus Memorial Library | Building | 204 | Moultrie | 39 35 52 N | 088 36 28 W |
| Elizabethtown | Populated Place | 111 | Hardin | 37 26 45 N | 088 18 18 W |
| Elizabethtown Cemetery | Cemetery | 126 | Hardin | 37 26 58 N | 088 18 13 W |
| Elizabethtown Ranger Station | Locale | 131 | Hardin | 37 27 16 N | 088 18 06 W |
| Elk Crossing Shopping Center | Locale | 216 | Cook | 42 00 19 N | 088 00 20 W |
| Elk Grove | Populated Place | 204 | Cook | 42 00 26 N | 087 56 25 W |
| Elk Grove Baptist Church | Church | 213 | Cook | 42 00 26 N | 088 01 03 W |
| Elk Grove Business Park | Locale | 213 | DuPage | 41 59 26 N | 087 58 20 W |
| Elk Grove Cemetery | Cemetery | 215 | Cook | 42 02 20 N | 087 59 01 W |
| Elk Grove High School | School | 211 | Cook | 42 00 40 N | 087 59 53 W |
| Elk Grove Presbyterian Church | Church | 210 | Cook | 42 00 24 N | 087 58 48 W |
| Elk Grove School (historical) | School | 203 | Cook | 42 02 49 N | 087 56 49 W |
| Elk Grove Township Community Center | Building | 214 | Cook | 42 00 28 N | 088 00 31 W |
| Elk Grove Township Hall | Building | 214 | Cook | 42 02 30 N | 087 59 03 W |
| Elk Grove Village | Populated Place | 209 | Cook | 42 00 14 N | 087 58 13 W |
| Elk Grove Village Village Hall | Building | 216 | Cook | 42 00 14 N | 088 00 22 W |
| Elk Pasture | Flat | 218 | Cook | 42 01 50 N | 087 59 20 W |
| Elk Prairie Church | Church | 128 | Jefferson | 38 10 36 N | 088 57 11 W |
| Elkendier School (historical) | School | 162 | Washington | 38 21 56 N | 089 27 46 W |
| Elkhart | Populated Place | 181 | Logan | 40 01 14 N | 089 28 58 W |
| Elkhart Cemetery | Cemetery | 213 | Logan | 40 01 10 N | 089 28 15 W |
| Elkhart Christian Church | Church | 181 | Logan | 40 01 08 N | 089 28 55 W |
| Elkhart Elementary School | School | 182 | Logan | 40 01 04 N | 089 28 55 W |
| Elkhart Hill | Summit | 221 | Logan | 40 01 15 N | 089 28 14 W |
| Elkhart Methodist Church | Church | 184 | Logan | 40 01 17 N | 089 28 45 W |
| Elkhorn Cemetery | Cemetery | 267 | Ogle | 41 58 27 N | 089 40 02 W |
| Elkhorn Cemetery | Cemetery | 153 | Washington | 38 17 31 N | 089 32 48 W |
| Elkhorn Church | Church | 265 | Ogle | 41 58 25 N | 089 40 03 W |
| Elkhorn Creek | Stream | | Washington | 38 25 02 N | 089 41 37 W |
| Elkhorn Creek | Stream | | Whiteside | 41 45 31 N | 089 47 14 W |
| Elkhorn Creek Bridge | Bridge | 208 | Whiteside | 41 54 10 N | 089 41 43 W |
| Elkhorn Grove | Populated Place | 222 | Carroll | 42 00 29 N | 089 44 04 W |
| Elkhorn School (historical) | School | 187 | Morgan | 39 37 47 N | 090 17 31 W |
| Elks Branch | Stream | | Henry | 41 29 23 N | 090 09 36 W |
| Elks Country Club | Locale | 196 | Edgar | 39 36 55 N | 087 39 58 W |
| Elks Country Club | Locale | 186 | Logan | 40 08 25 N | 089 24 04 W |
| Elks Country Club | Locale | 193 | Macon | 39 50 34 N | 088 54 10 W |
| Elks National Memorial Building | Building | 181 | Cook | 41 55 56 N | 087 38 23 W |
| Elks Reservoir | Reservoir | 134 | Perry | 38 04 36 N | 089 18 36 W |
| Elks Reservoir Dam | Dam | 134 | Perry | 38 04 36 N | 089 18 36 W |
| Elkton | Populated Place | 152 | Washington | 38 17 30 N | 089 33 24 W |
| Elkville | Populated Place | 122 | Jackson | 37 54 36 N | 089 14 09 W |
| Elkville Cemetery | Cemetery | 129 | Jackson | 37 54 20 N | 089 14 57 W |
| Elkville Country Club Reservoir | Reservoir | 119 | Jackson | 37 52 24 N | 089 13 42 W |
| Elkville Country Club Reservoir Dam | Dam | 119 | Jackson | 37 52 24 N | 089 13 42 W |
| Elkville Reservoir | Reservoir | 119 | Jackson | 37 52 31 N | 089 13 38 W |
| Elledge Cemetery | Cemetery | 184 | Pike | 39 42 56 N | 090 42 28 W |
| Elledge Holley Cemetery | Cemetery | 188 | Edgar | 39 31 23 N | 087 44 20 W |
| Ellen Moore United Methodist Church | Church | 136 | Wayne | 38 22 44 N | 088 22 05 W |
| Eller Quarry | Mine | 234 | Carroll | 41 58 53 N | 089 42 42 W |
| Ellery | Populated Place | 131 | Wayne | 38 21 17 N | 088 08 55 W |
| Ellery Christian Church | Church | 134 | Edwards | 38 21 10 N | 088 08 53 W |
| Ellery Election Precinct | Civil | 135 | Edwards | 38 22 00 N | 088 08 13 W |
| Ellery Post Office | Post Office | 131 | Edwards | 38 21 18 N | 088 08 54 W |
| Ellington Church Cemetery | Cemetery | 210 | Adams | 39 59 12 N | 091 21 23 W |
| Ellington Elementary School | School | 202 | Adams | 39 56 31 N | 091 22 02 W |
| Ellington Elementary School | School | 188 | Cook | 41 53 06 N | 087 45 55 W |
| Ellington Field | Airport | 196 | Adams | 39 58 55 N | 091 22 16 W |
| Ellington Memorial Presbyterian Church | Church | 209 | Adams | 39 59 13 N | 091 21 26 W |
| Ellington Townhall | Building | 224 | Adams | 39 58 44 N | 091 19 46 W |
| Elliot Park | Park | 175 | Cook | 42 02 11 N | 087 40 11 W |
| Elliot Phelps House | Building | 181 | Cook | 41 48 23 N | 087 36 05 W |
| Elliot School (historical) | School | 186 | Fulton | 40 16 57 N | 090 16 38 W |
| Elliott | Populated Place | 238 | Ford | 40 27 53 N | 088 16 20 W |
| Elliott Cemetery | Cemetery | 172 | Cumberland | 39 14 36 N | 088 19 36 W |
| Elliott Cemetery | Cemetery | 169 | Jersey | 39 11 51 N | 090 10 08 W |
| Elliott Creek | Stream | | Montgomery | 39 13 41 N | 089 10 14 W |
| Elliott Creek | Stream | | White | 38 11 20 N | 088 06 26 W |
| Elliott Family Cemetery | Cemetery | 215 | Cook | 41 30 20 N | 087 42 28 W |
| Elliott School (historical) | School | 204 | Hancock | 40 32 13 N | 091 18 30 W |
| Elliott Street Historic District | Park | 150 | Richland | 38 43 38 N | 088 04 47 W |
| Elliott Woods | Woods | 207 | Cook | 41 30 34 N | 087 42 22 W |
| Elliottstown | Populated Place | 173 | Effingham | 39 00 04 N | 088 27 10 W |
| Ellis | Populated Place | 181 | Christian | 39 35 24 N | 089 31 44 W |
| Ellis | Populated Place | 180 | Sangamon | 39 56 48 N | 089 35 55 W |
| Ellis | Populated Place | 230 | Vermilion | 40 21 19 N | 087 53 06 W |
| Ellis Arts Academy | School | 235 | Winnebago | 42 19 40 N | 089 05 53 W |
| Ellis Cemetery | Cemetery | 200 | Moultrie | 39 30 01 N | 088 29 26 W |
| Ellis Cemetery | Cemetery | 198 | Moultrie | 39 32 17 N | 088 38 41 W |
| Ellis Cemetery | Cemetery | 167 | Pope | 37 24 49 N | 088 34 49 W |
| Ellis Cemetery | Cemetery | 218 | Shelby | 39 25 42 N | 088 31 28 W |
| Ellis Elementary and Art Alternative School | School | 226 | Winnebago | 42 16 29 N | 089 06 49 W |
| Ellis Family Cemetery | Cemetery | 161 | Scott | 39 38 51 N | 090 31 18 W |
| Ellis Grove | Populated Place | 167 | Randolph | 38 00 32 N | 089 54 21 W |
| Ellis Grove Election Precinct | Civil | 167 | Randolph | 38 00 21 N | 089 54 09 W |
| Ellis Inn (historical) | Building | 183 | Cook | 41 49 51 N | 087 36 30 W |
| Ellis Middle School | School | 233 | Kane | 42 01 59 N | 088 16 02 W |
| Ellis Mound Church | Church | 125 | Hamilton | 38 15 18 N | 088 29 45 W |
| Ellis Mound School (historical) | School | 127 | Wayne | 38 15 33 N | 088 29 31 W |
| Ellis Park | Park | 183 | Cook | 41 49 40 N | 087 36 37 W |
| Ellis Park | Park | 182 | Cook | 42 01 25 N | 087 40 44 W |
| Ellis Ridge School | School | 210 | Jackson | 37 38 12 N | 089 21 52 W |
| Ellis School (historical) | School | 134 | Wayne | 38 23 16 N | 088 38 37 W |
| Ellis Van Brocklin Cemetery | Cemetery | 245 | Stephenson | 42 15 00 N | 089 43 01 W |
| Ellis-DuBoulay School of Ballet | School | 181 | Cook | 41 52 56 N | 087 37 39 W |
| Ellison (historical) | Populated Place | 220 | Warren | 40 46 17 N | 090 46 10 W |