| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| E-Chicago | city | Illinois | United States | 41.85 | -87.65 | 830 | |
| Eagerville | city | Illinois | United States | 39.11 | -89.78 | 830 | |
| Eagle | city | Illinois | United States | 37.65 | -88.39 | 406 | |
| Eagle Lake | city | Illinois | United States | 41.37 | -87.55 | 830 | |
| Eagle Park | city | Illinois | United States | 38.66 | -90.14 | 406 | |
| Eagle Point | city | Illinois | United States | 41.99 | -89.68 | 830 | |
| Eagle Point Bay | city | Illinois | United States | 37.59 | -88.93 | 830 | |
| Eagle Ridge | city | Illinois | United States | 40.51 | -88.93 | 843 | |
| Earlville | city | Illinois | United States | 41.59 | -88.92 | 830 | |
| East Alton | city | Illinois | United States | 38.88 | -90.11 | 830 | |
| East Brooklyn | city | Illinois | United States | 41.17 | -88.26 | 830 | |
| East Cape Girardeau | city | Illinois | United States | 37.30 | -89.50 | 337 | |
| East Carondelet | city | Illinois | United States | 38.54 | -90.23 | 403 | |
| East Chicago Heights | city | Illinois | United States | 41.51 | -87.59 | 830 | |
| East Clinton | city | Illinois | United States | 41.84 | -90.17 | 830 | |
| East Dubuque | city | Illinois | United States | 42.49 | -90.64 | 830 | |
| East Dundee | city | Illinois | United States | 42.10 | -88.27 | 830 | |
| East Galesburg | city | Illinois | United States | 40.95 | -90.31 | 830 | |
| East Garfield Park | city | Illinois | United States | 41.88 | -87.70 | 830 | |
| East Gillespie | city | Illinois | United States | 39.14 | -89.81 | 830 | |
| East Grossdale | city | Illinois | United States | 41.83 | -87.83 | 830 | |
| East Hannibal | city | Illinois | United States | 39.73 | -91.35 | 830 | |
| East Hardin | city | Illinois | United States | 39.16 | -90.61 | 830 | |
| East Hazel Crest | city | Illinois | United States | 41.57 | -87.65 | 830 | |
| East Joliet | city | Illinois | United States | 41.54 | -88.05 | 830 | |
| East Lawndale | city | Illinois | United States | 40.56 | -90.02 | 830 | |
| East Lynn | city | Illinois | United States | 40.47 | -87.80 | 830 | |
| East Meadows | city | Illinois | United States | 39.06 | -88.74 | 830 | |
| East Moline | city | Illinois | United States | 41.50 | -90.44 | 830 | |
| East Newbern | city | Illinois | United States | 39.01 | -90.31 | 830 | |
| East Paw Paw | city | Illinois | United States | 41.69 | -88.94 | 879 | |
| East Peoria | city | Illinois | United States | 40.67 | -89.58 | 830 | |
| East Saint Louis | city | Illinois | United States | 38.62 | -90.15 | 406 | |
| East Side | city | Illinois | United States | 41.71 | -87.53 | 830 | |
| East Springfield | city | Illinois | United States | 39.80 | -89.63 | 830 | |
| East Stockton (historical) | city | Illinois | United States | 42.34 | -89.98 | 964 | |
| East Village | city | Illinois | United States | 40.46 | -90.68 | 830 | |
| Eastburn | city | Illinois | United States | 40.77 | -87.64 | 830 | |
| Easton | city | Illinois | United States | 40.23 | -89.84 | 830 | |
| Eastwood Manor | city | Illinois | United States | 42.35 | -88.24 | 830 | |
| Eberle | city | Illinois | United States | 38.94 | -88.46 | 830 | |
| Ebner | city | Illinois | United States | 41.93 | -90.11 | 830 | |
| Echo Lake | city | Illinois | United States | 42.21 | -88.09 | 859 | |
| Eckard | city | Illinois | United States | 40.32 | -89.99 | 830 | |
| Eddy | city | Illinois | United States | 42.46 | -87.90 | 830 | |
| Eddyville | city | Illinois | United States | 37.50 | -88.59 | 830 | |
| Edelstein | city | Illinois | United States | 40.94 | -89.63 | 830 | |
| Eden | city | Illinois | United States | 38.12 | -89.67 | 830 | |
| Eden | city | Illinois | United States | 40.69 | -89.83 | 830 | |
| Eden Park | city | Illinois | United States | 37.76 | -89.02 | 830 | |
| Edgar | city | Illinois | United States | 39.76 | -87.70 | 830 | |
| Edgebrook | city | Illinois | United States | 42.00 | -87.77 | 830 | |
| Edgebrook Mobile Home Park | city | Illinois | United States | 41.97 | -88.72 | 849 | |
| Edgecreek Estates | city | Illinois | United States | 41.54 | -88.01 | 830 | |
| Edgemont | city | Illinois | United States | 38.59 | -90.06 | 830 | |
| Edgetown | city | Illinois | United States | 41.18 | -87.58 | 830 | |
| Edgewater | city | Illinois | United States | 41.98 | -87.66 | 830 | |
| Edgewood | city | Illinois | United States | 42.24 | -88.92 | 830 | |
| Edgewood | city | Illinois | United States | 38.92 | -88.66 | 830 | |
| Edgewood Grove | city | Illinois | United States | 42.13 | -87.88 | 830 | |
| Edgington | city | Illinois | United States | 41.39 | -90.76 | 830 | |
| Edinburg | city | Illinois | United States | 39.66 | -89.39 | 830 | |
| Edison | city | Illinois | United States | 42.00 | -87.82 | 830 | |
| Edmund F Burton Row Houses | city | Illinois | United States | 41.89 | -87.80 | 830 | |
| Edwards | city | Illinois | United States | 40.75 | -89.74 | 830 | |
| Edwardsville | city | Illinois | United States | 38.81 | -89.95 | 830 | |
| Effingham | city | Illinois | United States | 39.12 | -88.54 | 830 | |
| Effner | city | Illinois | United States | 40.77 | -87.53 | 830 | |
| Egan | city | Illinois | United States | 42.19 | -89.41 | 830 | |
| Egandale | city | Illinois | United States | 41.80 | -87.60 | 830 | |
| Egypt Shores | city | Illinois | United States | 37.60 | -88.92 | 830 | |
| Egyptian Acres | city | Illinois | United States | 37.60 | -88.92 | 830 | |
| Egyptian Hills | city | Illinois | United States | 37.59 | -88.89 | 830 | |
| Eichorn | city | Illinois | United States | 37.49 | -88.41 | 830 | |
| Eileen | city | Illinois | United States | 41.29 | -88.27 | 830 | |
| El Dara | city | Illinois | United States | 39.62 | -90.99 | 830 | |
| El Paso | city | Illinois | United States | 40.74 | -89.02 | 830 | |
| El Vista | city | Illinois | United States | 40.73 | -89.63 | 830 | |
| Elba | city | Illinois | United States | 37.83 | -88.33 | 380 | |
| Elba Center | city | Illinois | United States | 40.84 | -90.04 | 830 | |
| Elbow | city | Illinois | United States | 38.64 | -88.12 | 830 | |
| Elbridge | city | Illinois | United States | 39.51 | -87.58 | 830 | |
| Elburn | city | Illinois | United States | 41.89 | -88.47 | 849 | |
| Elco | city | Illinois | United States | 37.30 | -89.27 | 390 | |
| Eldena | city | Illinois | United States | 41.77 | -89.41 | 830 | |
| Elderville | city | Illinois | United States | 40.33 | -91.29 | 830 | |
| Eldorado | city | Illinois | United States | 37.81 | -88.44 | 390 | |
| Eldred | city | Illinois | United States | 39.29 | -90.55 | 830 | |
| Eldridge | city | Illinois | United States | 41.16 | -87.72 | 830 | |
| Eleanor | city | Illinois | United States | 40.98 | -90.70 | 830 | |
| Eleroy | city | Illinois | United States | 42.33 | -89.76 | 921 | |
| Elgin | city | Illinois | United States | 42.04 | -88.28 | 830 | |
| Eliza | city | Illinois | United States | 41.30 | -90.97 | 830 | |
| Elizabeth | city | Illinois | United States | 42.32 | -90.22 | 830 | |
| Elizabethtown | city | Illinois | United States | 37.45 | -88.31 | 321 | |
| Elk Grove Village | city | Illinois | United States | 42.00 | -87.97 | 830 | |
| Elkhart | city | Illinois | United States | 40.02 | -89.48 | 830 | |
| Elkhorn Grove | city | Illinois | United States | 42.01 | -89.73 | 830 | |
| Elkton | city | Illinois | United States | 38.29 | -89.56 | 830 | |
| Elkville | city | Illinois | United States | 37.91 | -89.24 | 396 | |
| Ellery | city | Illinois | United States | 38.35 | -88.15 | 830 | |
| Elliott | city | Illinois | United States | 40.46 | -88.27 | 830 | |
| Elliottstown | city | Illinois | United States | 39.00 | -88.45 | 830 | |
| Ellis | city | Illinois | United States | 39.95 | -89.60 | 830 | |
| Ellis | city | Illinois | United States | 40.36 | -87.89 | 830 | |
| Ellis | city | Illinois | United States | 39.59 | -89.53 | 830 | |
| Ellis Grove | city | Illinois | United States | 38.01 | -89.91 | 830 | |
| Ellison (historical) | city | Illinois | United States | 40.77 | -90.77 | 830 | |
| Ellisville | city | Illinois | United States | 40.63 | -90.31 | 830 | |
| Ellsworth | city | Illinois | United States | 41.93 | -87.81 | 830 | |
| Ellsworth | city | Illinois | United States | 40.45 | -88.72 | 872 | |
| Elm Grove (historical) | city | Illinois | United States | 38.00 | -88.12 | 370 | |
| Elm Point (historical) | city | Illinois | United States | 39.01 | -89.47 | 830 | |
| Elmhurst | city | Illinois | United States | 41.90 | -87.94 | 830 | |
| Elmira | city | Illinois | United States | 41.18 | -89.83 | 830 | |
| Elmore | city | Illinois | United States | 40.96 | -89.98 | 830 | |
| Elmoville | city | Illinois | United States | 42.27 | -90.05 | 830 | |
| Elmwood | city | Illinois | United States | 42.21 | -88.09 | 849 | |
| Elmwood | city | Illinois | United States | 40.78 | -89.97 | 830 | |
| Elmwood Park | city | Illinois | United States | 41.92 | -87.81 | 830 | |
| Elmwood Place | city | Illinois | United States | 37.02 | -89.19 | 308 | |
| Elsah | city | Illinois | United States | 38.96 | -90.36 | 830 | |
| Elsdon | city | Illinois | United States | 41.79 | -87.72 | 830 | |
| Eltham (historical) | city | Illinois | United States | 37.67 | -89.33 | 830 | |
| Elva | city | Illinois | United States | 41.86 | -88.78 | 889 | |
| Elvaston | city | Illinois | United States | 40.40 | -91.25 | 830 | |
| Elvira | city | Illinois | United States | 37.49 | -89.03 | 830 | |
| Elwin | city | Illinois | United States | 39.78 | -88.98 | 830 | |
| Elwood | city | Illinois | United States | 41.40 | -88.11 | 830 | |
| Embarrass | city | Illinois | United States | 39.52 | -88.09 | 830 | |
| Emden | city | Illinois | United States | 40.30 | -89.49 | 830 | |
| Emerald Acres | city | Illinois | United States | 41.65 | -88.00 | 830 | |
| Emerald Park | city | Illinois | United States | 42.32 | -88.25 | 830 | |
| Emerson | city | Illinois | United States | 41.81 | -89.76 | 830 | |
| Emerson City | city | Illinois | United States | 38.14 | -89.05 | 830 | |
| Emery | city | Illinois | United States | 39.98 | -88.95 | 830 | |
| Emington | city | Illinois | United States | 40.97 | -88.36 | 830 | |
| Emma | city | Illinois | United States | 37.97 | -88.12 | 370 | |
| Empire | city | Illinois | United States | 40.31 | -88.71 | 830 | |
| Empire Hills | city | Illinois | United States | 41.96 | -88.43 | 856 | |
| Enchanted Gardens Mobile Home Park | city | Illinois | United States | 40.71 | -89.27 | 830 | |
| Energy | city | Illinois | United States | 37.77 | -89.03 | 830 | |
| Enfield | city | Illinois | United States | 38.10 | -88.34 | 830 | |
| Englewood | city | Illinois | United States | 41.78 | -87.65 | 830 | |
| Enion | city | Illinois | United States | 40.28 | -90.18 | 830 | |
| Enos | city | Illinois | United States | 39.30 | -90.01 | 830 | |
| Enright | city | Illinois | United States | 40.74 | -88.97 | 830 | |
| Enterprise | city | Illinois | United States | 38.52 | -88.36 | 403 | |
| Eola | city | Illinois | United States | 41.78 | -88.24 | 830 | |
| Epplyanna | city | Illinois | United States | 42.43 | -89.44 | 898 | |
| Epworth | city | Illinois | United States | 38.07 | -88.11 | 380 | |
| Equality | city | Illinois | United States | 37.73 | -88.34 | 357 | |
| Equestrian Estates | city | Illinois | United States | 41.68 | -87.93 | 830 | |
| Equestrian Woods | city | Illinois | United States | 41.68 | -87.93 | 830 | |
| Erie | city | Illinois | United States | 41.66 | -90.08 | 830 | |
| Erin | city | Illinois | United States | 41.57 | -88.16 | 830 | |
| Erin Hills | city | Illinois | United States | 41.64 | -87.96 | 830 | |
| Ernst | city | Illinois | United States | 39.32 | -87.67 | 830 | |
| Erwin | city | Illinois | United States | 40.13 | -90.71 | 830 | |
| Esmond | city | Illinois | United States | 42.03 | -88.94 | 830 | |
| Essex | city | Illinois | United States | 41.76 | -87.59 | 830 | |
| Essex | city | Illinois | United States | 41.55 | -88.16 | 830 | |
| Essex | city | Illinois | United States | 41.18 | -88.19 | 830 | |
| Estates Of Fox Chase | city | Illinois | United States | 41.69 | -88.37 | 830 | |
| Estates of Charlemagne | city | Illinois | United States | 42.14 | -87.86 | 830 | |
| Estates of Indian Creek | city | Illinois | United States | 42.24 | -88.02 | 830 | |
| Estates of Stone Creek | city | Illinois | United States | 42.22 | -88.08 | 853 | |
| Etherton | city | Illinois | United States | 37.69 | -89.32 | 390 | |
| Etna | city | Illinois | United States | 39.39 | -88.42 | 830 | |
| Eugene | city | Illinois | United States | 40.89 | -90.01 | 830 | |
| Eureka | city | Illinois | United States | 40.72 | -89.27 | 830 | |
| Evans | city | Illinois | United States | 40.22 | -89.36 | 830 | |
| Evans | city | Illinois | United States | 41.04 | -89.11 | 830 | |
| Evans Heights Housing Project | city | Illinois | United States | 41.14 | -88.82 | 830 | |
| Evanston | city | Illinois | United States | 42.04 | -87.69 | 830 | |
| Evanstonas | city | Illinois | United States | 42.04 | -87.69 | 830 | |
| Evansville | city | Illinois | United States | 38.09 | -89.94 | 390 | |
| Evanswood | city | Illinois | United States | 41.93 | -88.37 | 830 | |
| Evarts | city | Illinois | United States | 42.25 | -89.47 | 879 | |
| Everett | city | Illinois | United States | 42.22 | -87.87 | 830 | |
| Evergreen Park | city | Illinois | United States | 41.72 | -87.70 | 830 | |
| Evergreen Subdivision | city | Illinois | United States | 42.14 | -87.87 | 830 | |
| Evergreen Terrace | city | Illinois | United States | 37.70 | -89.24 | 830 | |
| Evergreen Village Mobile Home Park | city | Illinois | United States | 41.99 | -88.67 | 839 | |
| Evers | city | Illinois | United States | 39.10 | -88.45 | 830 | |
| Ewbanks | city | Illinois | United States | 39.98 | -91.32 | 830 | |
| Ewing | city | Illinois | United States | 38.09 | -88.85 | 830 | |
| Ewington | city | Illinois | United States | 39.10 | -88.60 | 830 | |
| Exermont | city | Illinois | United States | 38.65 | -90.05 | 830 | |
| Exeter | city | Illinois | United States | 39.72 | -90.50 | 830 | |
| Exline | city | Illinois | United States | 41.15 | -87.77 | 830 | |
| Exposition View | city | Illinois | United States | 41.79 | -88.34 | 830 | |
| Eylar | city | Illinois | United States | 40.91 | -88.45 | 830 |