Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Elmwood Cemetery | Cemetery | 205 | Montgomery | 39 10 32 N | 089 38 00 W |
| Elmwood Cemetery | Cemetery | 153 | St. Clair | 38 25 28 N | 089 54 01 W |
| Elmwood City Cemetery | Cemetery | 190 | Peoria | 40 47 04 N | 089 58 05 W |
| Elmwood City Hall | Building | 196 | Peoria | 40 46 41 N | 089 58 03 W |
| Elmwood Elementary School | School | 213 | DuPage | 41 45 18 N | 088 08 51 W |
| Elmwood Elementary School | School | 196 | Lake | 42 26 22 N | 087 50 13 W |
| Elmwood Elementary School | School | 193 | Peoria | 40 46 53 N | 089 58 13 W |
| Elmwood Family Cemetery | Cemetery | 229 | Adams | 39 51 50 N | 091 02 24 W |
| Elmwood Farms Lake | Reservoir | 223 | Lake | 42 26 48 N | 088 00 00 W |
| Elmwood Farms Lake Dam | Dam | 223 | Lake | 42 26 48 N | 088 00 00 W |
| Elmwood Fire Station | Building | 195 | Peoria | 40 46 44 N | 089 57 58 W |
| Elmwood Hall | Building | 183 | Peoria | 40 41 55 N | 089 36 49 W |
| Elmwood High School | School | 193 | Peoria | 40 46 52 N | 089 58 12 W |
| Elmwood Junior High School | School | 193 | Cook | 41 55 22 N | 087 48 56 W |
| Elmwood Park | Populated Place | 196 | Cook | 41 55 16 N | 087 48 33 W |
| Elmwood Park High School | School | 191 | Cook | 41 55 20 N | 087 49 46 W |
| Elmwood Park Post Office | Post Office | 197 | Cook | 41 55 25 N | 087 48 34 W |
| Elmwood Park Presbyterian Church | Church | 191 | Cook | 41 54 59 N | 087 48 59 W |
| Elmwood Park Public Library | Building | 194 | Cook | 41 55 39 N | 087 49 04 W |
| Elmwood Park Village Hall | Building | 193 | Cook | 41 55 35 N | 087 49 07 W |
| Elmwood Place (subdivision) | Populated Place | 96 | Alexander | 37 00 57 N | 089 11 09 W |
| Elmwood Post Office | Post Office | 196 | Peoria | 40 46 42 N | 089 57 58 W |
| Elmwood School | School | 188 | Vermilion | 40 07 40 N | 087 35 52 W |
| Elmwood School | School | 249 | Winnebago | 42 19 59 N | 089 06 20 W |
| Elmwood School (historical) | School | 224 | Adams | 39 59 52 N | 091 00 51 W |
| Elmwood School (historical) | School | 195 | Macoupin | 39 10 26 N | 089 49 28 W |
| Elmwood School (historical) | School | 199 | Macoupin | 39 05 36 N | 089 45 38 W |
| Elmwood School (historical) | School | 237 | Stephenson | 42 15 31 N | 089 36 23 W |
| Elrod Bridge | Bridge | 136 | Fulton | 40 23 29 N | 090 15 16 W |
| Elrod School (historical) | School | 184 | Fulton | 40 22 52 N | 090 16 29 W |
| ELS Language Center | School | 192 | Cook | 41 53 52 N | 087 48 44 W |
| Elsah | Populated Place | 132 | Jersey | 38 57 22 N | 090 21 35 W |
| Elsah Cemetery | Cemetery | 174 | Jersey | 38 57 49 N | 090 21 05 W |
| Elsah Historic District | Park | 130 | Jersey | 38 57 10 N | 090 21 40 W |
| Elsdon | Populated Place | 184 | Cook | 41 47 37 N | 087 43 18 W |
| Elsdon Station | Locale | 183 | Cook | 41 48 04 N | 087 42 47 W |
| Elsdon United Methodist Church | Church | 184 | Cook | 41 47 50 N | 087 42 27 W |
| Elsie C Johnson Elementary School | School | 242 | DuPage | 41 56 38 N | 088 08 31 W |
| Elston Avenue United Methodist Church | Church | 189 | Cook | 41 59 15 N | 087 46 27 W |
| Elston Cemetery | Cemetery | 139 | Richland | 38 44 12 N | 088 10 15 W |
| Elston Park | Park | 183 | Cook | 41 56 40 N | 087 42 22 W |
| Elsworth Park | Park | 163 | Vermilion | 40 07 32 N | 087 38 24 W |
| Eltham (historical) | Populated Place | 116 | Jackson | 37 40 10 N | 089 20 05 W |
| Elton E Fawks Bald Eagle Refuge Nature Preserve | Park | 183 | Rock Island | 41 34 02 N | 090 22 54 W |
| Elton School (historical) | School | 251 | Winnebago | 42 22 28 N | 089 19 49 W |
| Elva | Populated Place | 271 | DeKalb | 41 51 51 N | 088 46 34 W |
| Elvaston | Populated Place | 201 | Hancock | 40 23 42 N | 091 14 59 W |
| Elvaston Cemetery | Cemetery | 201 | Hancock | 40 23 27 N | 091 14 56 W |
| Elverado School | School | 120 | Jackson | 37 54 33 N | 089 13 50 W |
| Elvira | Populated Place | 139 | Johnson | 37 29 36 N | 089 01 46 W |
| Elvira Election Precinct | Civil | 138 | Johnson | 37 28 09 N | 088 59 17 W |
| Elvira School (historical) | School | 144 | Johnson | 37 29 31 N | 089 01 50 W |
| Elwell School (historical) | School | 204 | Knox | 40 49 29 N | 090 16 08 W |
| Elwin | Populated Place | 217 | Macon | 39 46 44 N | 088 58 48 W |
| Elwood | Populated Place | 197 | Will | 41 24 14 N | 088 06 42 W |
| Elwood Church | Church | 197 | Vermilion | 39 57 50 N | 087 35 57 W |
| Elwood Church Cemetery | Cemetery | 201 | Vermilion | 39 57 46 N | 087 35 56 W |
| Elwood Community Church | Church | 197 | Will | 41 24 16 N | 088 06 43 W |
| Elwood Community Consolidated School | School | 198 | Will | 41 24 31 N | 088 06 46 W |
| Elwood Post Office | Post Office | 197 | Will | 41 24 16 N | 088 06 24 W |
| Elwood School | School | 96 | Alexander | 37 00 55 N | 089 11 06 W |
| Elwood School (historical) | School | 221 | Piatt | 40 11 09 N | 088 35 32 W |
| Elwood School (historical) | School | 134 | Richland | 38 43 05 N | 088 07 54 W |
| Elwood School (historical) | School | 200 | Vermilion | 39 57 40 N | 087 35 54 W |
| Ely Cemetery | Cemetery | 125 | Edwards | 38 30 12 N | 088 07 08 W |
| Emanuel Cemetery | Cemetery | 222 | Lee | 41 47 29 N | 089 29 46 W |
| Emanuel Church | Church | 161 | Fayette | 39 00 19 N | 089 01 43 W |
| Emanuel Church | Church | 210 | Kendall | 41 34 18 N | 088 27 15 W |
| Emanuel Church of God in Christ | Church | 181 | Cook | 41 52 34 N | 087 42 12 W |
| Emanuel Church of God in Christ | Church | 246 | Winnebago | 42 16 45 N | 089 07 31 W |
| Emanuel Lutheran Church | Church | 192 | Livingston | 41 05 38 N | 088 25 16 W |
| Emanuel School (historical) | School | 210 | Kendall | 41 34 20 N | 088 27 14 W |
| Embarras River | Stream | | Lawrence | 38 38 35 N | 087 37 02 W |
| Embarrass | Populated Place | 203 | Coles | 39 31 02 N | 088 05 28 W |
| Embarrass Cemetery | Cemetery | 201 | Edgar | 39 39 38 N | 087 53 32 W |
| Embarrass Church | Church | 200 | Edgar | 39 39 40 N | 087 53 29 W |
| Emberry Chaple Cemetery | Cemetery | 226 | Vermilion | 40 12 04 N | 087 50 46 W |
| Emberry Church (historical) | Church | 227 | Vermilion | 40 12 06 N | 087 50 46 W |
| Embury United Methodist Church | Church | 239 | Stephenson | 42 17 38 N | 089 37 07 W |
| Emden | Populated Place | 180 | Logan | 40 17 55 N | 089 29 06 W |
| Emden Elementary School | School | 180 | Logan | 40 17 47 N | 089 29 08 W |
| Emden Post Office | Post Office | 180 | Logan | 40 17 55 N | 089 29 04 W |
| Emerald Acres | Populated Place | 229 | Cook | 41 39 11 N | 088 00 17 W |
| Emerald Avenue Church of God | Church | 186 | Cook | 41 42 06 N | 087 38 27 W |
| Emerald Mound | Summit | 158 | St. Clair | 38 37 50 N | 089 47 04 W |
| Emerald Mound Grange | Locale | 141 | St. Clair | 38 36 15 N | 089 46 49 W |
| Emerald Park | Populated Place | 229 | McHenry | 42 19 08 N | 088 15 01 W |
| Emerald Park School (historical) | School | 230 | Lake | 42 19 08 N | 088 14 54 W |
| Emerald Pond | Lake | 173 | Vermilion | 40 08 57 N | 087 44 05 W |
| Emerick Cemetery | Cemetery | 185 | Macoupin | 39 14 44 N | 089 53 26 W |
| Emerick Sports Complex | Park | 133 | Madison | 38 52 18 N | 090 04 59 W |
| Emerson | Populated Place | 199 | Whiteside | 41 48 22 N | 089 45 53 W |
| Emerson Cemetery | Cemetery | 126 | Williamson | 37 47 09 N | 089 07 05 W |
| Emerson City | Populated Place | 141 | Jefferson | 38 08 22 N | 089 02 43 W |
| Emerson Elementary School | School | 96 | Alexander | 37 00 44 N | 089 11 00 W |
| Emerson Elementary School | School | 186 | Cook | 41 50 08 N | 087 47 47 W |
| Emerson Elementary School | School | 223 | DuPage | 41 51 50 N | 088 07 27 W |
| Emerson Elementary School | School | 209 | DuPage | 41 54 35 N | 087 57 35 W |
| Emerson Hall | Building | 251 | Winnebago | 42 16 17 N | 089 01 07 W |
| Emerson Hall (historical) | Building | 227 | Winnebago | 42 15 45 N | 089 05 30 W |
| Emerson Park | Park | 203 | Cook | 42 04 23 N | 087 56 05 W |
| Emerson Park | Park | 191 | Cook | 42 03 03 N | 087 45 13 W |
| Emerson Public School (historical) | School | 129 | Madison | 38 42 14 N | 090 09 03 W |
| Emerson Quarry | Mine | 179 | Whiteside | 41 48 33 N | 089 45 01 W |
| Emerson School | School | 185 | Adams | 39 55 19 N | 091 23 41 W |
| Emerson School | School | 185 | Cook | 41 36 11 N | 087 39 37 W |
| Emerson School | School | 190 | Cook | 41 52 56 N | 087 47 51 W |
| Emerson School | School | 190 | Cook | 41 52 59 N | 087 50 14 W |
| Emerson School (historical) | School | 241 | Carroll | 42 00 13 N | 089 56 47 W |
| Emerson School (historical) | School | 231 | Stark | 41 10 48 N | 089 42 58 W |